[Edu.joshuatly.com] SBP Trial SPM 2013 Biology [FF4633FA]

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Page 1: [Edu.joshuatly.com] SBP Trial SPM 2013 Biology [FF4633FA]

SULIT 4551/1

Biologi

Kertas 1

September 2013

1 ¼ Jam

Kertas ini mengandungi 32 halaman bercetak

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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

Kertas 1

1 Jam 15 Minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Arahan:

1. Kertas soalan ini mengandungi 50 soalan.

2. Jawab semua soalan.

3. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C dan D. Bagi tiap-tiap

soalan, pilih satu jawapan sahaja. Hitamkan jawapan anda pada kertas jawapan objektif

yang disediakan.

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Answer all questions

Jawab semua soalan

1.

Diagram 1 shows the structure of an animal cell.

Rajah 1 menunjukkan struktur satu sel haiwan.

Diagram 1 / Rajah 1

What is organelle X ?

Apakah organel X ?

A. Nucleus

Nukleus

B. Centriole

Sentriol

C. Ribosome

Ribosom

D. Mitochondrion

Mitokondrion

2.

The following statements are about organelle P.

Pernyataan berikut adalah mengenai organel P.

What is organelle P ?

Apakah organel P ?

A. Ribosome

Ribosom

B. Cytoplasm

Sitoplasma

C. Golgi apparatus

Jasad Golgi

D. Rough endoplasmic reticulum

Retikulum endoplasma kasar

Found abundantly in muscle tissue / Terdapat dengan banyak dalam tisu otot

Site of protein synthesis / Tapak sintesis protein

X

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3.

The following information are features of an organelle in a cell.

Maklumat berikut adalah tentang ciri satu organel dalam sel.

Which of the following organelles has the features as stated above ?

Antara organel berikut, yang manakah mempunyai ciri-ciri seperti di atas ?

A. Lysosome

Lisosom

B. Chloroplast

Kloroplas

C. Mitochondrion

Mitokondrion

D. Rough endoplasmic reticulum

Retikulum endoplasma kasar

4.

Diagram 2 shows a type of animal tissue.

Rajah 2 menunjukkan sejenis tisu haiwan.

Diagram 2 / Rajah 2

What is the tissue ?

Apakah tisu itu ?

A. Nerve tissue

Tisu saraf

B. Epithelial tissue

Tisu epitelium

C. Connective tissue

Tisu penghubung

D. Smooth muscle tissue

Tisu otot licin

Consists of an extensive network of folded membranes

Terdiri daripada jaringan membran yang berlipat

Synthesises and transports proteins through the cell

Mensintesis dan mengangkut protein di dalam sel

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5.

Diagram 3.1 shows the condition of cells P that were immersed in 15% sucrose solution and

Diagram 3.2 shows the condition of cells Q that were immersed in solution X after 30 minutes.

Rajah 3.1 menunjukkan keadaan sel P yang direndam di dalam larutan sukrosa 15% dan

Rajah 3.2 menunjukkan keadaan sel Q yang direndam ke dalam larutan X selepas 30 minit.

Which of the following can solution X be ?

Antara yang berikut, yang manakah merupakan larutan X ?

A. Distilled water

Air suling

B. 5 % sucrose solution

Larutan sukrosa 5 %

C. 15 % sucrose solution

Larutan sukrosa 15 %

D. 35 % sucrose solution

Larutan sukrosa 35 %

6.

Potato strips were placed in 5 % , 15 % and 30 % sucrose solution. The initial mass of the

potato strips is 1.40 g.

Which of the following should the final mass of the potato strips in 30 % sucrose solution be ?

Satu eksperimen telah dijalankan untuk menyiasat kesan kepekatan larutan natrium klorida

terhadap jisim jalur-jalur kentang. Jisim awal jalur-jalur kentang ialah 1.40 g.

Yang manakah antara berikut berkemungkinan jisim akhir jalur-jalur kentang di dalam larutan

sukrosa 30 %

A. 1.14 g B. 1.58 g

C. 1.40 g D. 1.79 g

Diagram 3.1 / Rajah 3.1 Diagram 3.2 / Rajah 3.2

Cells P / Sel P Cells Q / Sel Q

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7.

Diagram 4 shows the movement of substance P across a plasma membrane by process Q.

Rajah 4 menunjukkan pergerakan bahan P merentasi membran plasma secara proses Q.

Diagram 4 / Rajah 4

What is process Q ?

Apakah proses Q ?

A. Osmosis

Osmosis

B. Active transport

Pengangkutan aktif

C. Simple diffusion

Resapan ringkas

D. Facilitated diffusion

Resapan berbantu

8.

The statements below are about trace element.

Pernyataan di bawah adalah berkaitan unsur surih.

Which of the following trace element has features as stated above ?

Antara unsur surih berikut, yang manakah mempunyai ciri-ciri seperti di atas ?

A. Iron

Besi

B. Sodium

Natrium

C. Calcium

Kalsium

D. Magnesium

Magnesium

Trigger muscle contraction / Pencetus pengecutan otot

Cofactor of enzymes / Kofaktor enzim

Component of bones / Komponen dalam tulang

Outside the cell/

Diluar sel

Inside the cell/

Didalam sel

Substance P / Bahan P

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9.

Which level of protein organization refers to haemoglobin ?

Aras organisasi protein manakah merujuk kepada hemoglobin ?

A. B.

C.

D.

10.

Diagram 5 shows the optimum pH of an enzyme P in its reaction.

Rajah 5 menunjukkan pH optimum satu enzim P dalam tindak balasnya.

Diagram 5 / Rajah 5

What is enzyme P ?

Apakah enzim P ?

1 2 3 4 5 6 7 8 9 10 11 12 pH

0

Rate of reaction / Kadar tindakabals

Enzyme P / Enzim P

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A. Pepsin

Pepsin

B. Renin

Renin

C. Trypsin

Tripsin

D. Salivary amylase

Amilase liur

11.

The following information is about the application of enzyme in industries.

Maklumat berikut adalah berkenaan aplikasi enzim di dalam industri.

What is the enzyme?

Apakah enzim tersebut ?

A. Zymase

Zimase

B. Amylase

Amilase

C. Cellulase

Selulase

D. Protease

Protease

12.

Diagram 6 shows one of the stages of a cell division in human.

Rajah 6 menunjukkan salah satu peringkat pembahagian sel dalam manusia.

Diagram 6 / Rajah 6

What is the significance of the cell division shown in human ?

Apakah kepentingan pembahagian sel yang ditunjukkan itu dalam manusia ?

A. Cloning

Pengklonan

B. Tissue culture

Kultur tisu

C. Produce diploid cells

Menghasilkan sel diploid

D. Produce haploid cells

Menghasilkan sel haploid

Remove the seed coats from cereal grains /Mengeluarkan kulit daripada bijirin

Extract agar jelly from seaweeds / Mengasingkan agar-agar daripada rumpai

laut

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13.

The following information shows the characteristics of a child with a genetic disorder.

Maklumat berikut menunjukkan ciri-ciri seorang kanak-kanak yang mengalami kecacatan

genetik.

What is the cause of this genetic disorder ?

Apakah punca kecacatan genetik tersebut ?

A. Synapsis did not occur during prophase I

Sinapsis tidak berlaku semasa profasa I

B. Cytokinesis did not occur during telophase II

Sitokinesis tidak berlaku semasa telofasa II

C. Nucleus membrane did not form during telophase II

Membran nukleus tidak terbentuk semasa telofasa II

D. Sister chromatid did not separate during anaphase II

Pasangan kromatid tidak terpisah semasa anafasa II

14.

Diagram 7 shows the chromosomes in the liver cell of organism X.

Rajah 7 menunjukkan kromosom dalam sel hati organism X.

Diagram 7 / Rajah 7

Slanted eyes / Mata sepet

Shortened limbs / Anggota badan memendek

Receding forehead and chin / Dahi dan dagu merosot

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How many chromosomes are in a gamete of organism X ?

Berapakah bilangan kromosom dalam gamet organisma X ?

A. 10 B. 20

C. 40 D. 80

15.

Diagram 8 shows an organism found in a tropical forest.

Rajah 8 menunjukkan sejenis organisma yang dijumpai di hutan hujan tropika.

Diagram 8 / Rajah 8

What is the feeding method of the organism ?

Apakah cara pemakanan bagi organisma tersebut ?

A. Autotrophic

Autotrofik

B. Saprophytic

Saprofitik

C. Holozoic

Holozoik

D. Parasitic

Parasitik

16.

Which statement describes the class of food for food sample Q and its function ?

Kenyataan manakah antara berikut menerangkan kelas makanan bagi sampel makanan Q dan

fungsinya ?

When food sample Q is tested using Biuret test, the food sample turns purple .

Apabila sampel makanan Q diuji dengan ujian Biuret, sampel makanan bertukar

warna menjadi ungu.

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Classes of food

Kelas makanan

Function/

Fungsi

A. Carbohydrates

Karbohidrat

Synthesis of enzymes, antibodies and hormones

Sintesis enzim , antibodi dan hormon

B. Protein

Protein

Build new cells for growth and renew damaged tissues.

Membina sel baru untuk pertumbuhan dan

memperbaharui tisu yang rosak.

C. Lipid

Lipid

Important source of energy

Sumber penting untuk tenaga

D. Water

Air

Medium for chemical reaction in the cell

Media untuk tindak balas kimia di dalam sel

17.

Mesophyll cells are important in carrying out photosynthesis.

What organelle is found abundantly in the mesophyll cells to carry out the function?

Sel mesofil adalah penting dalam menjalankan fotosintesis.

Apakah organel yang banyak terdapat dalam sel mesofil untuk menjalankan fungsi tersebut?

A. Cloroplast

Kloroplas

B. Mitochondrion

Mitokondrion

C. Golgi apparatus

Jasad Golgi

D. Rough endoplasmic reticulum

Jalinan endoplasma kasar

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18.

Diagram 9 shows the structure of ruminant digestive system.

Rajah 9 menunjukkan struktur sistem pencernaan ruminan.

Diagram 9 / Rajah 9

Which of the labelled parts A, B, C or D is a true stomach?

Antara A, B, C atau D yang manakah perut sebenar ?

19.

Diagram 10 shows human tissues.

Rajah 10 menunjukkan tisu manusia.

Diagram 10 / Rajah 10

What happen in the tissues during vigorous activity ?

Apakah yang berlaku dalam tisu ini semasa aktiviti cergas ?

B C D

A

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A. Glucose molecules break down partially into ethanol.

Molekul glukosa terurai secara separa kepada etanol.

B. Glucose molecules break down partially into lactic acid.

Molekul glukosa terurai secara separa kepada asid laktik.

C. Glucose molecules break down to produce carbon doxide.

Molekul glukosa terurai menghasilkan karbon dioksida.

D. Glucose molecules break down to produce 2898 kJ of energy.

Molekul glukosa terurai menghasilkan 2898 kJ tenaga

20.

Diagram 11 shows a stage in human breathing mechanism.

Rajah 11 menunjukkan satu peringkat dalam mekanisme pernafasan manusia.

Diagram 11 / Rajah 11

What causes it to occur ?

Apakah yang menyebabkan ia berlaku?

A. Volume of thoracic cavity increases and pressure of thoracic cavity decreases

Isipadu ruang torak meningkat dan tekanan ruang torak menurun.

B. Volume of thoracic cavity decreases and pressure of thoracic cavity increases

Isipadu ruang torak menurun dan tekanan ruang torak meningkat

C. The external intercostal muscles contract

Otot interkostal luar mengecut

D. The diaphragm muscles contract and return to dome shape

Otot diafragma mengecut dan kembali ke bentuk kubah

Air move out / Udara keluar

Pressure / tekanan

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21.

Diagram 12 shows a graph of the releases and absorption of carbon dioxide in plant.

Rajah 12 menunjukkan graf pembebasan dan penyerapan karbon dioksida di dalam tumbuhan.

Diagram 12 / Rajah 12

Which of the following refers to P ?

Antara berikut, yang manakah merujuk kepada P ?

A. Rate of respiration lower than rate of photosynthesis.

Kadar respirasi lebih rendah daripada kadar fotosintesis.

B. Rate of respiration higher than rate of photosynthesis.

Kadar respirasi lebih tinggi daripada kadar fotosintesis.

C. Rate of respiration is the same as rate of photosynthesis.

Kadar respirasi sama seperti kadar fotosintesis.

D. Rate of respiration increase and rate of photosynthesis does not change.

Kadar respirasi meningkat dan kadar fotosintesis tidak berubah.

Low

Rendah Light intensity

Keamatan cahaya

High

Tinggi

Absorbtion of

carbon dioxide

Penyerapan

karbon dioksida

Release of carbon

dioxide

Pembebasan

karbon dioksida

P

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22.

The following information describes energy production in a yeast.

Maklumat berikut menerangkan penghasilan tenaga di dalam yis.

Which of the following equation is correct to describe the process?

Yang manakah antara persamaan berikut benar untuk menjelaskan proses

tersebut ?

A.

C6H12O6 2C3H6O3 + 150 kJ

B.

C6H12O6 2C2H5OH + 210 kJ

C.

C6H12O6 2C3H6O3 + 2CO2 + 150 kJ

D.

C6H12O6 2C2H5OH + 2CO2 + 210 kJ

23.

Paddy plant and maize plant live in the same habitat for the same resources that are in limited

supply.

What is the interaction between paddy plant and maize plant?

Pokok padi dan pokok jagung hidup di dalam habitat yang sama bagi mendapatkan sumber

terhad yang sama.

Apakah hubungan diantara tumbuhan pokok padi dan pokok jagung ?

A. Mutualism

Mutualisma

B. Competition

Persaingan

C. Prey-predator

Mangsa- pemangsa

D. Saprophytism

Saprofitisma

Anaerobic respiration is a process to generate ATP without utilizing oxygen

Respirasi anaerobik adalah proses penghasilan ATP tanpa penggunaan oksigen

zymase

zymase

zymase

zymase

zimase

zimase

zimase

zimase

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24.

Diagram 13 shows a food web.

Rajah 13 menunjukkan suatu siratan makanan.

Diagram 13 / Rajah 13

Which organism is a secondary consumer ?

Organisma manakah merupakan pengguna sekunder ?

A. Fox and mice

Musang dan tikus

B. Fox and rabbit

Musang dan arnab

C. Bird and grasshopper

Burung dan belalang

D. Fox and bird

Musang dan burung

Fox / Musang

Owl/ Burung hantu

Rabbit/ Arnab

Carrot/ Lobak

Bird / Burung

Grasshopper /

Belalang

Grains/ Bijirin

Mice/ Tikus

Grasses/ Rumput

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25.

Diagram 14 shows a nitrogen cycle.

Rajah 23 menunjukkan kitar nitrogen.

Diagram 14 / Rajah14

What is compound X ?

Apakah sebatian X ?

A. Nitrate

Nitrat

B. Nitrogen

Nitrogen

C. Nitrogen oxide

Nitrogen oksida

D. Nitrogenous base

Bes bernitrogen

Nitrogen (N2) in atmosphere /

Nitrogen (N2) dalam atmosfera

Amino acids and proteins in

plants and animal /

Asid amino dan protein dalam

tumbuhan dan haiwan

Decomposition/

Pereputan

Ammonium (NH4+) /

Ammonium (NH4+)

Denitrifying bacteria /

Bakteria pendenitritan

Compound X /

Sebatian X

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26.

Diagram 15 shows the result of an experiment to estimate the population size of wood lice in

areas X, Y, and Z using the capture , mark, release, and recapture technique.

Rajah 15 menunjukkan keputusan satu kajian untuk menganggar saiz populasi kutu kayu di

kawasan X, Y, dan Z dengan menggunakan teknik tangkap, tanda, lepas dan tangkap semula

Area/

kawasan

Number of wood lice

from the first capture/

Bilangan kutu kayu dari

tangkapan pertama

Number of wood lice from the second

capture

Bilangan kutu kayu dari tangkapan

kedua

Total number

Jumlah bilangan

Number of marked

individuals

Bilangan individu

yang ditanda

X 15 5 3

Y 10 12 2

Z 10 9 3

Diagram 15 / Rajah 15

What is the total population size of the wood lice in that area?

Apakah jumlah saiz populasi kutu kayu di kawasan tersebut ?

A. 30

B. 60

C. 115 D. 120

27.

Diagram 16 shows an adaptation of the seedlings of a mangrove plant.

Rajah 16 menunjukkan penyesuaian anak benih pokok bakau.

Diagram 16 / Rajah 16

Structure Y / Struktur Y

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Which of the following is the importance of structure Y ?

Yang manakah antara berikut merupakan kepentingan struktur Y ?

A. To ensure the survival of the seedling.

Untuk memastikan kemandirian anak benih tersebut.

B. To support the seedling in the muddy soil.

Untuk member sokongan kepada anak benih tersebut di dalam tanah berlumpur

C. To reduce transpiration during hot day.

Untuk mengurangkan transpirasi sewaktu hari panas.

D. To ensure the gaseous exchange can occur in the water.

Untuk memastikan pertukaran gas boleh berlaku di dalam air.

28.

The following information describes the effects of phenomenon X.

Maklumat berikut menerangkan kesan fenomena X.

The acidity of aquatic ecosystem is increased / Keasidan ekosistem akuatik

meningkat

The buildings are corroded / Bangunan-bangunan terkakis

Which of the following pairs of air pollutants react with rain water to form phenomenon X?

Yang manakah antara pasangan bahan pencemar udara berikut yang bertindak dengan air

hujan untuk membentuk fenomena X?

A. Carbon dioxide and soot

Karbon dioksida dan jelaga

B. Lead and sulphur dioxide

Plumbum dan sulfur dioksida

C. Nitrogen oxide and sulphur dioxide

Nitrogen oksida dan sulfur dioksida

D. Carbon dioxide and carbon monoxide

Karbon dioksida dan karbon monoksida

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29.

The excess heat that is released from X into the environment leads to thermal pollution.

Haba berlebihan yang dibebaskan dari X ke persekitaran menyebabkan pencemaran terma.

Which of the following is X?

Antara yang berikut, yang manakah X ?

A. Quarries

Kuari

B. Oil spill

Tumpahan minyak

C. Power station

Stesen janakuasa

D. Open burning

Pembakaran terbuka

30.

Diagram 17 shows a human activity that can harm the environment.

Rajah 17 menunjukkan aktiviti manusia yang boleh merosakkan alam sekitar.

Diagram 17 / Rajah 17

The inorganic salts dissolve in ground

water and eventually enter lakes,

ponds and rivers / Baja inorganik

melarut di dalam air tanah dan

seterusnya masuk ke dalam tasi,

kolam dan sungai

Fish begins to die

/ Ikan mula mati

Lake P /

Tasik P

Excess use of chemical fertilizers leads to run off and

ground water contamination / Penggunaan baja kimia

berlebihan menyebabkan pengaliran dan pencemaran

air bawah tanah.

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Which of the following is the effect of the activity to the lake P ecosystem ?

Antara yang berikut, yang manakah kesan aktiviti diatas terhadap ekosistem tasik P?

A. An increase in the growth of bacteria causing a decrease in algal growth.

Peningkatan dalam pertumbuhan bakteria menyebabkan pertumbuhan alga menurun.

B. An increase in the growth of algae leads to depletion of oxygen.

Peningkatan dalam pertumbuhan alga menyebabkan pengurangan oksigen.

C. A decrease in the growth of bacteria leads to depletion of oxygen.

Penurunan dalam pertumbuhan bakteria menyebabkan pengurangan oksigen.

D. A decrease in the growth of algae causing an increase in bacteria.

Penurunan dalam pertumbuhan alga menyebabkan peningkatan bilangan bakteria.

31.

The following information are materials in the interstitial fluid.

Pernyataan berikut adalah bahan-bahan di dalam bendalir interstis.

Which of the following blood vessels involve in the process of the materials exchange between

blood and interstitial fluids occurs?

Antara salur darah berikut,yang manakah terlibat dalam proses pertukaran bahan-bahan

tersebut antara darah dengan bendalir interstis ?

A. Veins

Vena

B. Arteries

Arteri

C. Arterioles

Arteriol

D. Blood capillaries

Kapilari darah

Oxygen / Oksigen

Glucose / Glukosa

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32.

The statement below shows the mechanism used by antibodies to destroy antigens.

Pernyataan di bawah menunjukkan mekanisme yang digunakan oleh antibodi untuk

memusnahkan antigen

Which of the following refers to the mechanism?

Antara yang berikut,yang manakah merujuk kepada mekanisme tersebut ?

A.

B.

C.

D.

Antibodies causes the pathogens to clump together.

Antibodi menyebabkan patogen menggumpal.

Antibody / Antibodi

Antigen / Antigen

Antigen / Antigen

Antibody / Antibodi

Antigen / Antigen

Bacteria / Bakteria

Antibody / Antibodi

Antigen / Antigen

Bacteria / Bakteria

Antibody / Antibodi

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33.

Diagram 18 shows four organisms with different size.

Rajah18 menunjukkan empat organisma yang berlainan saiz.

P Q R S

Diagram 18 / Rajah 18

Which of the organisms has the largest total surface area to volume ratio?

Antara pernyataan berikut, organism yang manakah mempunyai nisbah jumlah luas

permukaan per isipadu yang paling besar ?

A. P B. Q

C. R D. S

34.

Diagram 19 shows the condition that occur in a person when the interstitial fluid cannot

reabsorbed back to the circulatory system.

Rajah 19 menunjukkan keadaan yang berlaku pada seseorang apabila bendalir interstis tidak

dapat diserap kembali ke sistem peredaran darah.

Diagram 19/ Rajah 19

What is the condition experienced by the person ?

Apakah keadaan yang dialami oleh individu ini?

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A. Riket

Riket

B. Oedema

Oedema

C. Marasmus

Marasmus

D. Thrombosis

Trombosis

35.

Diagram 20 shows a fish.

Rajah 20 menunjukkan seekor ikan.

Diagram 20 / Rajah 20

What is fin L?

Apakah sirip L?

A. Caudal fin

Sirip ekor

B. Dorsal fin

Sirip dorsal

C. Pelvic fin

Sirip pelvis

D. Pectoral fin

Sirip pektoral

36.

A patient has artificial joints fitted in his knee.

Which of the following disease is suffered by the patient?

Lutut seorang pesakit dipasang dengan sendi buatan.

Antara yang berikut, penyakit manakah yang dialami oleh pesakit tersebut ?

A. Gout

Gout

B. Arthritis

Artritis

C. Osteoporosis

Osteoporosis

D. Muscular dystrophy

Distrofi otot.

L

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37.

Which of the following cells provide mechanical strength to woody plants ?

Antara sel–sel berikut, yang manakah memberi kekuatan mekanikal pada tumbuhan berkayu ?

A. Parenchyma

Parenkima

B. Collenchyme

Kolenkima

C. Sclerenchyme

Sklerenkima

D. Aerenchyme

Aerenkima

38.

Diagram 21 shows four human vertebrae K, L, M and N along the vertebral column.

Rajah 28 menunjukkan empat vertebra manusia K, L, M dan N disepanjang turus vertebra.

Diagram 21 / Rajah 21

What is the correct sequence of the vertebrae starting from the base of the skull?

Apakah urutan vertebra yang betul bermula daripada dasar tengkorak ?

A. K, M, L, N B. L, M, K, N

C. M, L, N, K D. N, L, M, K

K L M N

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39.

Diagram 22 shows the structure of a human brain.

Rajah 22 menunjukkan satu struktur otak manusia.

Diagram 22 / Rajah 22

Which of the following action may occur if structure X is found damaged ?

Yang manakah antara tindakan berikut mungkin berlaku sekiranya struktur X didapati rosak ?

A. The person will not be able to response to reflex action.

Individu tersebut tidak dapat bertindakbalas terhadap tindakan reflek

B. The person will not be able to control his / her respiration

Individu tersebut tidak dapat mengawal respirasinya

C. The person will not be able to remember telephone numbers.

Individu tersebut tidak dapat mengingati nombor-nombor telefon

D. The person will not be able to coordinate his / her body movement.

Individu tersebut tidak dapat mengkoordinasi pergerakan badannya

X

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40.

Diagram 23 shows the structure of a nephron.

Rajah 23 menunjukkan satu struktur nefron.

Diagram 23 / Rajah 23

What is X ?

Apakah itu X ?

A. Loop of Henle

Liku Henle

B. Collecting duct

Duktus pengumpul

C. Distal Convoluted Tubule

Tubul berlingkar distal

D. Proximal Convoluted Tubule

Tubul berlingkar proksimal

41.

A farmer wants to produce seedless grapes.

Which hormone should be used for this purpose ?

Seorang petani hendak menghasilkan anggur tanpa biji.

Apakah hormon yang diperlukan untuk tujuan tersebut ?

A. Auxin

Auksin

B. Ethylene

Etilena

C. Cytokinin

Sitokinin

D. Abscisic acid

Asid Absisik

X

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42.

Diagram 24 shows changes in the hormone level during a menstrual cycle.

Rajah 24 menunjukkan perubahan aras hormon dalam satu kitaran haid .

Diagram 24 / Rajah 24

What is hormone P ?

Apakah hormon P ?

A. Oestrogen

Estrogen

B. Progestrone

Progesteron

C. Luteinizing hormone

Hormon peluteinan

D. Follicle stimulating hormone

Hormon perangsang folikel

Hormone level /

Aras hormon

Development of

follicles /

Perkembangan folikel

Thickness of

endometrium /

Ketebalan endometria

1 14 28 Days/

Hari

P

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43.

Diagram 25 shows a part of spermatogenesis. The number of chromosomes in the primordial

germ cell is 38.

Rajah 25 menunjukkan sebahagian spermatogenesis. Bilangan kromosom di dalam sel germa

primordium ialah 38

Diagram 25 / Rajah25

What is the number of chromosomes in cell P ?

Berapakah bilangan kromosom di dalam sel P ?

A. 76 B. 38

C. 19 D. 46

44.

The statements below refers to a technique used to overcome infertility.

Pernyataan di bawah merujuk kepada satu teknik yang digunakan untuk mengatasi

kemandulan.

Primordial Germ Cell

Sel Germa Primodium

P

Fertilisation takes place in laboratory glassware rather than inside the body.

Persenyawaan berlaku dalam bekas kaca di makmal berbanding di dalam

tubuh badan.

Embryos are injected in the women’s uterus to allow implantation to occur.

Embrio disuntik ke rahim wanita untuk membolehkan penempelan berlaku.

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What is the technique ?

Apakah teknik tersebut ?

A. Vasectomy

Vasektomi

B. Intrauterine devices

Alat intrauterin

C. In vitro fertilization

Persenyawaan in vitro

D. Artificial insemination

Permanian beradas

45.

The following information shows the alleles belonging to a pair of married couple.

Maklumat beriku menunjukkan alel-alel yang dimiliki oleh sepasang suami isteri.

Which of the following crosess produces male progeny who are all haemophiliacs ?

Antara kacukan berikut, yang manakah menghasilkan semua anak lelakinya

hemophilia ?

Antara kacukan berikut, yang manakah menghasilkan progeni anak lelaki yang kesemuanya

menghidap hemophilia ?

A. XhY x X

HX

h

B. XHY x X

HX

h

C. XhY x X

HX

H

D. XHY x X

hX

h

46.

Which of the following is the basic unit of inheritance ?

Di antara yang berikut, yang manakah merupakan unit asas pewarisan ?

A. DNA / DNA

B. Gene / Gen

C. Adenine / Adenina

D. Nucleotide / Nukleotida

H - Dominant allele for normal blood/ alel dominan untuk darah normal

h - Recessive allele for haemophilia / alel resesif untuk hemofilia

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47.

Diagram 26 shows the result of the monohybrid cross between rambutan tree P and rambutan

tree Q, 50% of the offspring are tall and 50% are short. Tall is dominant to short.

Rajah 26 menunjukkan keputusan kacukan monohibrid antara pokok rambutan P dan pokok

rambutan Q. 50 % daripada anak adalah tinggi dan 50 % adalah rendah. Ciri tinggi adalah

dominan terhadap ciri rendah.

Diagram 26 / Rajah 26

If rambutan tree R is crossed with rambutan tree S, what is the percentage of the offsprings

which will be short?

Jika pokok rambutan R dikacukkan dengan pokok rambutan S, apakah peratusan anak yang

terhasil adalah rendah ?

A. 0 % B. 25 %

C. 50 % D. 75 %

48.

Which of characteristic shows discontinuous variation ?

Ciri manakah yang menunjukkan variasi tidak selanjar ?

A. Height / Ketinggian

B. Body mass / Jisim badan

C. Skin colour / warna kulit

D. Blood group / Kumpulan darah

Parent :

Induk:

Offspring :

Anak

Rambutan tree P

Pokok rambutan P

(Tall / Tinggi)

Rambutan tree Q

Pokok rambutan Q

(Short / Rendah)

X

Rambutan tree R

Pokok rambutan R

(Tall / Tinggi)

Rambutan tree S

Pokok rambutan S

(Short / Rendah)

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49.

Which of the followings are the consequences of chromosomal mutation in human ?

I. One less chromosome in the cell

II. Deletion of parts of the chromosomes

III. An extra sex chromosomes in the cell

IV. Genetics recombination due to crossing over

Di antara yang berikut, yang manakah merupakan kesan mutasi kromosom dalam manusia ?

I Kekurangan satu kromosom di dalam sel

II Pelenyapan sebahagian segmen pada kromosom

III Pertambahan kromosom seks di dalam sel

IV Gabungan semula genetic melalui pindah silang

A. I and II

B. I , II and III

C. II , III and IV

D. I , II , III and IV

50.

Diagram 27 shows the karyotype of an individual.

Rajah 27menunjukkan kariotip bagi seorang individu.

Diagram 27 / Rajah 27

Which pair of chromosomes determines the gender of the individual?

Pasangan kromosom yang manakah menentukan jantina individu tersebut?

A. 1ˢ ᵗ pair / pasangan pertama

B. 18ᵗᵗ / pasangan ke 18

C. ᵗᵗ pair / pasangan ke 21

D. ᵗ ᵗ / pasangan ke 23

ENDS OF QUESTION PAPER

KERTAS SOALAN TAMAT

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INFORMATION FOR CANDIDATES

MAKLUMAT UNTUK CALON

1. These question paper consists of 50 questions.

Kertas soalan ini mengandungi 50 soalan

2. Answer all questions

Jawab semua soalan

3. Answer each question by blackening the correct space on the answer sheet.

Jawab setiap soalan dengan menghitamkan ruangan yang betul dalam helaian jawapan.

4. Blacken only one space for each question.

Hitamkan satu ruangan sahaja bagi setiap soalan.

5. If you wish to change your answer, erase the blackened mark that you have made. Then

blacken the space for the new answer.

Sekiranya anda ingin mengubah jawapan anda, padamkan tanda hitam yang telah dibuat.

Kemudian hitamkan ruangan untuk jawapan baru.

6. The diagrams in the questions provided are not drawn to scale unless stated.

Rajah yang diberikan dalam soalan tidak dilukiskan mengikut skala melainkan diberitahu.

7. You may use a non-programmable scientific calculator

Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan

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Biologi

Kertas 2

September 2013

2½ jam

Kertas ini mengandungi 24 halaman bercetak

4551/2 © 2012 Hak Cipta BPSBPSK [Lihat Halaman Sebelah

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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

Kertas 2

2 jam 30 minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Tulis nama dan tingkatan anda pada ruang yang disediakan.

2. Kertas soalan ini adalah dalam dwibahasa. 3. Soalan dalam bahasa Inggeris mendahului

soalan yang sepadan dalam bahasa Melayu. 4. Kertas soalan ini mengandungi dua bahagian

: Bahagian A dan Bahagian B.

5. Jawab semua soalan dalam Bahagian A . Jawapan anda bagi Bahagian A hendaklah ditulis pada ruang yang disediakan dalam kertas soalan ini.

6. Jawab mana-mana dua soalan daripada Bahagian B. Jawapan anda bagi Bahagian B hendaklah ditulis dalam helaian tambahan yang dibekalkan.

7. Rajah yang mengiringi soalan tidak dilukis mengikut skala.

8. Penggunaan kalkulator saintifik yang tidak

boleh diprogramkan adalah dibenarkan.

Untuk Kegunaan Pemeriksa

Bahagian Soalan Markah

penuh

Markah

diperolehi

A

1 12

2 12

3 12

4 12

5 12

B

6 20

7 20

8 20

9 20

Jumlah 100

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Section A Bahagian A [60 marks] [60 markah]

Answer all questions in this section.

Jawab semua soalan dalam bahagian ini.

1 Diagram 1 shows level of cell organization in humans. Rajah 1 menunjukkan aras organisasi sel pada manusia.

Diagram 1 Rajah 1

System P Sistem P Level T

Aras T

Cell Q/ Sel Q Cell R/ Sel R Cell S/ Sel S

For Examiner’s Use

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(a) (i) Name system P. Namakan sistem P. P : ………………………………………………………………………………

[1 mark] [1 markah]

(ii) Cell Q, cell R and cell S are different type of cell in system P. Sel Q, sel R dan sel S adalah jenis sel yang berbeza di dalam sistem P. Name cell Q and cell R. Namakan selQ, dan sel R. Q : ……………………………………………………………………………. R : ……………………………………………………………………………..

[2 marks] [2 markah]

(iii) Draw cell S in box provided in Diagram 1. Lukiskan sel S pada kotak yang disediakan pada Rajah 1.

[1 mark] [1 markah]

(b) (i) State level of cell organization shown in level T. Nyatakan aras organisasi sel yang ditunjukkan di dalam aras T. …………………………………………………………………………………

[1 mark] [1 mark]

(ii) Give one reason for the answer in 1(b)(i). Berikan satu sebab bagi jawapan dalam 1(b)(i) ………………………………………………………………………………… …………………………………………………………………………………

[1 mark] [1 markah]

1

1 (a)(iii)

1

1 (a)(i)

2

1 (a)(ii)

1

1 (b)

1

1 (b)(ii)

For Examiner`s Use

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(c) (i) Explain the role of cell Q, cell R and cell S in a reflex action. Terangkan peranan sel Q, sel R dan sel S dalam tindakan reflek. ………………………………………………………………………………….. ………………………………………………………………………………….. …………………………………………………………………………………..

[2 marks] [2 markah]

(ii) Explain one importance of reflex action to human.

Terangkan satu kepentingan tindakan reflek pada manusia. ………………………………………………………………………………….. ………………………………………………………………………………….. …………………………………………………………………………………..

[2 marks] [2 markah]

(d) Alzheimer`s disease is neurological disorder that maybe affects an individual aged around the age of sixty. Suggest two ways to help the person to do their daily routine of life. Penyakit Alzheimer`s adalah kecacatan saraf yang mungkin dihidapi oleh individivu dalam lengkungan usia enam puluhan. Cadangkan dua cara untuk membantu individu itu menjalani rutin hidup hariannya. 1. ……………………………………………………………………………….. …………………………………………………………………………………. 2. ……………………………………………………………………………….. …………………………………………………………………………………..

[2 marks] [2 markah]

2

1 (c)(i)

2

1 (c)(ii)

2

1 (d)

TOTAL A1

A1 12

For Examiner’s Use

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2 Diagram 2.1 shows cell X and cell Y in different stages during meiosis . Rajah 2.1 menunjukkan sel X dan sel Y dalam peringkat yang berbeza semasa meiosis.

Diagram 2.1 Rajah 2 .1

(a) (i) Name the structures labeled P and Q.

Namakan struktur berlabel P dan Q. P : ........................................................................................................................ Q : ........................................................................................................................

[2 marks] [2 markah]

(ii)

State one function of Q. Nyatakan satu fungsi Q. …………………………………………………………………………………...

[1 mark] [1 markah]

P

Q

Cell X Sel X Sel Y

Cell Y Sel Y Sel Y

2

2 (a)(i)

1

2 (a)(ii)

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(iii) State the stage of division of cell X and cell Y. Nyatakan peringkat pembahagian di sel X dan sel Y. Cell X / Sel X : …………………………………………………………………. Cell Y / Sel Y : …………………………………………………………………..

[2 marks] [2 markah]

(b) (i) Based on Diagram 2.1 state one difference between the chromosomal behaviour in cell X and cell Y. Berdasarkan Rajah 2.1, nyatakan satu perbezaan perlakuan kromosom di antara sel X dan sel Y. …………………………………………………………………………………… ……………………………………………………………………………………

[1 marks] [1 markah]

(ii) Explain one important event that takes place during stage shown in cell X. Terangkan satu kepentingan kejadian yang berlaku semasa peringkat yang ditunjukkan di sel X. ……………………………………………………………………………………. ……………………………………………………………………………………. ……………………………………………………………………………………. …………………………………………………………………………………….

[3 marks] [3 markah]

2

2 (a)(iii)

1

2 (b)(i)

3

2 (b)(ii)

For Examiner’s Use

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(c) Diagram 2.2 shows process in the formation of cell J. Rajah 2.2 menunjukkan proses pembentukkan sel J.

Chromosomal number in cell J is half of chromosomal number in spermatogonium. Bilangan kromosom dalam sel J adalah separuh daripada bilangan kromosom dalam spermatogonium. Explain how the chromosomal behaviour in cell Y involved in reducing the chromosomal number in the cell J. Terangkan bagaimana perlakuan kromosom dalam sel Y terlibat dalam mengurangkan bilangan kromosom dalam sel J itu. …………………………………………………………………………………… …………………………………………………………………………………… …………………………………………………………………………………… ……………………………………………………………………………………

[3 marks] [3 markah]

3

2 (c)

Cell J

Spermatid

Spermatogonium

Diagram 2.2 Rajah2.2

For Examiner’s Use

TOTAL A2

A1 12

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3 Diagram 3.1 shows parts of human digestive system. Rajah 3.1 menunjukkan sebahagian sistem pencernaan manusia

(a) (i) Name structure P Namakan struktur P P : …………………………………………………………………………………

[1 mark] [1 markah]

(ii) The reaction of enzymes in structure R is optimum in alkaline medium.

State the function of P to maintain the alkaline medium in R. Tindakan enzim di struktur R adalah optimum dalam medium beralkali. Nyatakan fungsi P untuk mengekalkan medium beralkali di R. ……………………………………………………………………………………. …………………………………………………………………………………….

[1 mark] [1 markah]

1

3 (a)(i)

1

3 (a)(i)

1

3 (a)(ii)

For Examiner`s Use

P

R

Q

S

Diagram 3.1 Rajah 3.1

For Examiner’s Use

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(b) Digestion of lipids is difficult because lipids are insoluble in water. Explain how to overcome the difficulty. Pencernaan lemak adalah sukar kerana lemak tidak larut dalam air. Terangkan bagaimana mengatasi kesukaran ini. ……………………………………………………………………………………. ……………………………………………………………………………………. …………………………………………………………………………………….

[2 marks] [2 markah]

(c) (i) Name the enzyme and product of protein digestion in R and S in Table 1. Namakan enzim dan hasil pencernaan protein dalam R, dan S dalam Jadual 1.

Structure Struktur

Enzyme Enzim

Product of digestion Hasil pencernaan

R S

Table 1 Jadual 1

[2 marks]

[2 markah]

(ii) Enzyme in Q hydrolysed large protein molecule into smaller molecule. Explain how the enzyme hydrolysed quaternary structure of proteins in Q. Enzim di Q menghidrolisis molekul protein yang besar menjadi molekul protein yang lebih kecil. Terangkan bagaimana enzim itu menghidrolisis protein berstruktur kuaternari di Q. …………………………………………………………………………………… …………………………………………………………………………………… ……………………………………………………………………………………

[2 marks] [2 markah]

2

3 (b)

2

3 (c)(i)

2

3 (c)(ii)

For Examiner’s Use

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(d) Diagram 3.2 shows parts of a rabbit digestive system. Rajah 3.2 menunjukkan bahagian-bahagian sistem pencernaan seekor arnab.

Diagram 3.2 Rajah 3.2

(i) Based on the Diagram 3.1 and 3.2, state one difference of digestive structure in

human and rabbit. Berdasarkan Rajah 3.1 dan 3.2, nyatakan satu perbezaan struktur pencernaan antara manusia dan arnab.

Human Rabbit

[1 mark]

[1 markah]

(ii) Rabbit consumed plants such as vegetables to get energy for living. Explain how the rabbit get energy from the vegetables. Arnab memakan tumbuh-tumbuhan seperti sayur-sayuran untuk mendapatkan tenaga untuk kehidupannya. Terangkan bagaimana arnab mendapatkan tenaga daripada sayur-sayuran itu. …………………………………………………………………………………… …………………………………………………………………………………… …………………………………………………………………………………… …………………………………………………………………………………….

[3 marks] [3 markah]

1

3 (d)(i)

3

3 (d)(ii)

For Examiner’s Use

TOTAL A3

A1 12

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4 Diagram 4.1 shows a woman reproductive system. Rajah 4.1 menunjukkan sistem pembiakan wanita.

Diagram 4.1 Rajah 4.1

(a) (i) Explain one function of hormone secreted by X.

Terangkan satu fungsi hormone yang dirembeskan oleh X. .……………...…………………………………………………………………… ………………………………………….………………………………………… ……………...………………………………………………………………………

[2 marks] [2 markah]

(ii)

In Diagram 4.1, label with letter R to show a part which fertilization take place. Dalam Rajah 4.1, labelkan dengan huruf R untuk menunjukkan tempat persenyawaan berlaku.

[1 mark] [1 markah]

X

2

4 (a)(i)

1

4 (a)(ii)

For Examiner’s Use

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(b) Diagram 4.2 shows the development of follicle and the thickness of endometrium wall during menstrual cycle. Rajah 4.2 menunjukkan perkembangan folikel dan ketebalan dinding endometrium semasa kitar haid

Diagram 4.2 Rajah 4.2

(i) Brain is involved in regulation of hormones secretion in menstrual cycle. Explain how the brain regulates hormones in the mestrual cycle. Otak terlibat dalam mengawalatur perembesan hormon dalam kitar haid. Terangkan bagaimana otak mengawalatur hormon dalam kitar haid. .………….……….………………………………………………………………… ……………………………..……………………………………………………… ……………………………..………………………………………………………

[2 marks] [2 markah]

2

4(b)(i)

For Examiner’s Use

Phase S Fasa S

Phase increases in thickness of endometrium Fasa penebalan endometrium

Phase T Fasa T

Follicle Folikel

Endometrium wall Dinding endometrium

N

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(ii) Based on Diagram 4.2, name phase S and T in uterus lining during menstrual cycle. Berdasarkan Rajah 4.2, namakan fasa S dan fasaT semasa kitar haid. Phase S / Fasa S :……………………………………………………………… Phase T / Fasa T : …………………………………………………………………

[2 marks] [2 markah]

(iii) Explain how contraceptive pills prevent the process at N from occur. Terangkan bagimana pil pencegah kehamilan menghalang proses di N dari berlaku. …………………………………………………………………………………… …………………………………………………………………………………… ……………………………………………………………………………………

[2 marks] [2 markah]

(c)

(i) Based on above statement, explain why woman have higher risk to acquire oesteoporosis compare to male. Berdasarkan pernyataan di atas, terangkan mengapa wanita mempunyai risiko yang lebih tinggi untuk menghidap osteoporosis berbanding dengan lelaki..

……………………………………………………………………………………

……………………………………………………………………………………

……………………………………………………………………………………

[2 marks]

[2 markah]

2

4(b)(ii)

2

4 (b)(iii)

Mrs. Iman and her husband Mr. Sobri are 60 of aged. Mrs. Iman suffer from osteoporosis while her husband is not.

Puan Iman dan suaminya Encik Sobri berusia 60 tahun. Puan Iman menderita akibat osteoporosis manakala suaminya tidak.

2

4(c)(i)

For Examiner’s Use

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(ii) Suggest one way to reduce the effects of menopause symptom. Cadangkan satu cara untuk mengurangkan kesan-kesan gejala menopaus. ……………………………………………………………………………………

……………………………………………………………………………………

[1 mark]

[1 markah]

5 Ali has blood group A while his wife, Aisyah, has blood group B. Iᴬ and Iᴬ are codominant allele while Iᴬ is the recessive allele. Diagram 5 shows summarized of the inheritance of the blood group. Ali mempunyai kumpulan darah A manakala isterinya, Aisyah, mempunyai kumpulan darah B. Alel Iᴬ dan Iᴬ adalah alel kodominan manakala alel Iᴬ adalah resesif . Rajah 5 menunjukkan ringkasan pewarisan kumpulan darah itu.

1

4(c)(ii)

Diagram 5 Rajah 5

For Examiner’s Use

TOTAL A4

A1 12

Parent’s phenotype Fenotip induk

Ali Blood group A

Kumpulan darah A

Aisyah Blood group B

Kumpulan darah B

X

Parent’s genotype Genotip induk

.......................... ..........................

Gamete Gamet

Offspring phenotype Fenotip anak

Blood group O Kumpulan darah O

Offspring genotype Genotip anak ..........................

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(a) (i) Write the parent`s genotype in the spaces provided in Diagram 5. Tuliskan genotip induk dalam ruang yang disediakan dalam Rajah 5.

[2 marks] [2 markah]

(ii) Write the genotype of gametes in the circles provided in Diagram 5. Tuliskan genotip gamet dalam bulatan yang disediakan dalam Rajah 5.

[2 marks] [2 markah]

(iii) Write the offspring`s genotype in the spaces provided in Diagram 5. Tuliskan genotip anak dalam ruang yang disediakan dalam Rajah 5.

[1 mark] [1 markah]

(b) Explain how the offspring inherits blood group O. Terangkan bagaimana anak mewarisi kumpulan darah O. …………………………………………………………………………………….. ……………………………………………………………………………………. …………………………………………………………………………………… …………………………………………………………………………………….

[3 marks] [3 markah]

2

5 (a)(i)

2

5 (a)(ii)

1

5 (a)(iii)

3

5 (b)

For Examiner’s Use

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(c) Aisyah lost lots of blood during surgery. She needs to undergo blood transfusion from her husband but Ali is not a compatible donor. Explain why. Aisyah kehilangan banyak darah semasa pembedahan. Dia memerlukan pemindahan darah daripada suaminya tetapi Ali bukan penderma darah yang sesuai. Terangkan mengapa. …………………………………………………………………………………… …………………………………………………………………………………… ……………………………………………………………………………………. …………………………………………………………………………………….

[3 marks] [3 markah]

(d) There is a genetic disease caused blood does not clot normally due to the lack of protein which controlled by sex-linked genes. Name the genetic disease. Ada sejenis penyakit genetik yang menyebabkan darah tidak membeku secara normal kerana kekurangan protein yang dikawal oleh gen terangkai seks. Namakan penyakit genetik itu. …………………………………………………………………………………….

[1 mark] [1 markah]

3

5 (c)

1

5 (d)

TOTAL A5

A1 12

For Examiner’s Use

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Section B

Bahagian B

[ 40 marks ] [ 40 markah ]

Answer any two questions from this section

Jawab mana-mana dua soalan daripada bahagian ini.

6 Diagram 6.1 shows two individuals, X and Y, in two different situations. Rajah 6.1 menunjukkan dua individu, X dan Y dalam situasi yang berbeza.

Individu : X Activity : 100 meter sprint Energy produced : 2 ATP per mole glucose Individu : X Aktiviti : lari pecut 100 meter Tenaga dihasilkan : 2 ATP per mol glukosa

Individu : Y Activity : walking Energy produced : 38 ATP per mole glucose Individu : Y Aktiviti : Berjalan Tenaga dihasilkan : 38 ATP per mol glukosa

Diagram 6.1 Rajah 6.1

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(a) (i) Based on information given in Diagram 6.1, explain the cellular respiration process that occurs in individual X and Y. Berdasarkan maklumat yang diberi dalam Rajah 6.1,terangkan proses respirasi sel yang berlaku dalam individu X dan Y.

[6 marks] [6 markah]

(ii) After completed the event, individual X experienced painful due to leg muscle

fatigue. He then carries out the following actions : Wears a track suit Takes a few long deep breath Walks freely as a `cooling down` activity.

Explain why the individual X carries out these action. Selepas menghabiskan acara tersebut, individu X mengalami kesakitan kerana otot kakinya lesu.Dia kemudian melakukan tindakan berikut :

Memakai sut trek Menghela nafas panjang dan dalam Berjalan-jalan secara bebas sebagai activiti penyejuk badan

Terangkan mengapa dia melakukan tindakan tersebut. [6 marks]

[6 markah]

(b) Diagram 6.2 shows parts of respiratory system in human and fish. Rajah 6.2 menunjukkan bahagian-bahagian dalam sistem respirasi manusia dan ikan.

Diagram 6.2 Rajah 6.2

Alveolus Alveolus

Gill Insang

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Human and fish respiratory systems are adapted to function in their respective habitats.

Explain the similarities and differences of both systems.

Sistem respirasi manusia dan ikan disesuaikan untuk berfungsi di dalam habitat masing- masing.

Terangkan persamaan dan perbezaan kedua-dua sistem tersebut.

[8 marks]

[8 markah]

7 Diagram 7.1 shows a type of a plant tissue. Rajah 7.1 menunjukkan sejenis tisu tumbuhan.

Diagram 7.1

Rajah 7.1

(a) Based on Diagram 7.1, explain how the tissue is adapted for its function. Berdasarkan Rajah 7.1, terangkan bagaimana tisu tersebut diadaptasi untuk menjalankan fungsinya. [4 marks]

[4 markah] .

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(b) Diagram 7.2 shows the movement of water from the root hair to the xylem. Rajah 7.2 menunjukkan pergerakan air dari akar rambut ke xilem.

Diagram 7.2 Rajah 7.2

Based on Diagram 7.2, explain the movement of water through the roots. Berdasarkan Rajah 7.2 terangkan pergerakan air dalam akar.

[6 marks]

[6 markah]

Direction of water movement Arah pergerakkan air

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(c) Diagram 7. 3 shows the relationship between transpiration rate with the opening and closing of stomata throughout the day Rajah 7.3 menunjukkan hubungan antara kadar transpirasi dengan pembukaan dan penutupan stoma sepanjang hari.

Ra

te o

f tr

ansp

ira

tio

n

Ka

da

r fo

tosin

tesis

0000 0600 1200 1800 2400 Time/ hour Masa/jam

Diagram 7.3 Rajah 7.3

Based on Diagram 7.3, explain the changes of the transpiration rate from 0000 hour to 2400 hour Berdasarkan Rajah 7.3 terangkan perubahan kadar transpirasi dari jam 0000 hingga jam 2400.

[10 marks]

[10 markah]

Rat

e of

tran

spira

tion

Kad

ar tr

ansp

iras

i

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8 (a) (i) Erythrocyte is the cellular component of blood. Explain two adaptive characteristic for efficient transport in human. Eritrosit adalah komponen sel dalam darah. Terangkan dua ciri penyesuaian untuk kecekapan pengangkutan pada manusia.

[4 marks] [4 markah]

(b) (ii) A blood test shows that a man’s erythrocycte count is below normal.

Explain the possible consequences of this condition on his health. State the type of food should he include in his diet to improve this condition. Suatu ujian darah menunjukkan bahawa bilangan eritrosit darah seorang lelaki adalah kurang daripada biasa. Terangkan kesan-kesan yang mungkin berlaku atas kesihatannya akibat daripada keadaan ini. Nyatakan jenis makanan yang perlu diambil untuk pulih daripada keadaan ini.

[6 marks] [6 markah]

. (c) Diagram 8 shows three billboards of campaign to educate people avoid

cardiovascular disease. Rajah 8 menunjukkan tiga papan iklan kempen untuk mendidik orang ramai mengelakkan penyakit kardiovaskular.

Diagram 8 Rajah 8

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Based on Diagram 8, discuss how these campaign can educate people to avoid cardiovascular disease Berdasarkan Rajah 8 bincangkan bagaimana kempen tersebut dapat mendidik orang ramai mengelakkan penyakit kardiovaskular.

[10 marks] [10 markah]

9 (a) The statement below describes the sustainable development. Pernyataan di bawah menerangkan pembangunan mampan.

Based on statement above, explain what measures can be taken to ensure a balanced and stable ecosystem is maintained. Berdasarkan penyataan di atas, terangkan langkah-langkah yang boleh diambil untuk memastikan keseimbangan dan kestabilan ekosistem dikekalkan.

[10 marks] [10 markah]

Sustainable development is method to fulfill our demands for natural resources but it also balanced with the need to sustain the resources themselves. Pembangunan mampan adalah kaedah untuk memenuhi keperluan kita terhadap sumber-sumber semulajadi tetapi pada masa yang sama diseimbangkan dengan perlunya sumber-sumber itu dikekalkan

Sustainable development can be achieved by using technology and

non-technology approach. Pembangunan mampan boleh dicapai dengan pendekatan penggunaan teknologi dan bukan teknologi.

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(b) Diagram 9.1 shows an ecosystem in Malaysia Rajah 9.1 menunjukkan ekosistem di Malaysia.

Diagram 9.1 Rajah 9.1

(c) Based on diagram 9.1, discuss why the ecosystem has to be maintained Berdasarkan rajah 9.1, bincangkan mengapa ekosistem ini perlu dikekalkan.

[10 marks] [10 markah]

END OF QUESTION PAPER

KERTAS SOALAN TAMAT

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SULIT 4551/3 BIOLOGI

Kertas 3

4551/3

Ogos 2013

1½ Jam

Kertas ini mengandungi 13 halaman bercetak

4551/3 © 2012 Hak Cipta BPSBPSK [Lihat Halaman Sebelah

SULIT

NAMA: .......................................................................... TINGKATAN : ........................

BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

_________________________________________________________

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

Kertas 3

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Tulis nama dan kelas anda pada ruang yang

disediakan

2. Kertas soalan ini adalah dalam dwibahasa.

3. Soalan dalam bahasa Inggeris mendahului

soalan yang sepadan dalam bahasa Melayu.

4. Calon dibenarkan menjawab keseluruhan atau

sebahagian soalan sama ada dalam bahasa

Inggeris atau bahasa Melayu.

5. Calon dikehendaki membaca maklumat di

halaman belakang kertas soalan ini.

Untuk Kegunaan Pemeriksa

Soalan Markah

penuh

Markah

diperoleh

1 33

2 17

Jumlah 50

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1 Like most living organisms, humans show variation in various characteristics such as

the type of earlobe. An experiment is carried out to determine the dominant and

recessive trait in type of earlobe characteristic among 20 male students in a school.

Seperti kebanyakan organisma hidup, manusia menunjukkan variasi dalam pelbagai

ciri seperti jenis cuping telinga. Satu eksperimen telah dijalankan untuk menentukan

trait yang dominan dan trait yang resesif untuk ciri jenis cuping telinga dalam

kalangan 20 orang pelajar lelaki di sebuah sekolah.

Diagram 1a shows the two types of earlobe observed among the students.

Rajah 1a menunjukkan dua jenis cuping telinga yang telah diperhatikan dalam

kalangan pelajar tersebut.

Diagram 1a

Rajah 1a

Diagram 1b shows the result of this experiment.

Rajah 1b menunjukkan keputusan eksperimen ini.

Student 1

Pelajar 1

Student 2

Pelajar 2

Student 3

Pelajar 3

Student 4

Pelajar 4

Free earlobe

Cuping telinga tidak melekap

Attached earlobe

Cuping telinga melekap

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Student 5

Pelajar 5

Student 6

Pelajar 6

Student 7

Pelajar 7

Student 8

Pelajar 8

Student 9

Pelajar 9

Student 10

Pelajar 10

Student 11

Pelajar 11

Student 12

Pelajar 12

Student 13

Pelajar 13

Student 14

Pelajar 14

Student 15

Pelajar 15

Student 16

Pelajar 16

Student 17

Pelajar 17

Student 18

Pelajar 18

Student 19

Pelajar 19

Student 20

Pelajar 20

Diagram 1b

Rajah 1b

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(a) Based on Diagram 1b, record the number of students for each type of earlobe in

Table 1.

Berdasarkan Rajah 1b, rekodkan bilangan pelajar bagi setiap jenis cuping

telinga dalam Jadual 1.

Type of earlobe

Jenis cuping telinga

Number of students

Bilangan pelajar

Number of students

Bilangan pelajar

Table 1

Jadual 1

[ 3 marks ]

[ 3 markah ]

(b) (i) Based on Table 1, state two different observations that can be made from this

experiment.

Berdasarkan Jadual 1, nyatakan dua pemerhatian yang berbeza yang boleh

dibuat daripada eksperimen ini.

Observation 1 :

Pemerhatian 1:

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

Observation 2:

Pemerhatian 2:

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

1 (a)

3

1(b)(i)

)

3

For examiner’s

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(ii) State the inference for each observation in 1(b)(i).

Nyatakan inferens bagi setiap pemerhatian di 1(b)(i).

Inference for observation 1:

Inferens untuk pemerhatian 1:

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

Inference for observation 2:

Inferens untuk pemerhatian 2 :

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

For examiner’s

use

1(b)(ii)

)

3

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(c) Complete Table 2 based on this experiment.

Lengkapkan Jadual 2 berdasarkan eksperimen ini.

Variables

Pemboleh ubah

Method to handle variables

Cara mengendalikan pemboleh ubah

Manipulated variable

Pemboleh ubah dimanipulasikan

..........................................................

..........................................................

.........................................................

......................................................................

......................................................................

.......................................................................

Responding variable

Pemboleh ubah bergerak balas

..........................................................

..........................................................

.........................................................

......................................................................

......................................................................

.......................................................................

Constant variable

Pemboleh ubah dimalarkan

..........................................................

..........................................................

.........................................................

......................................................................

......................................................................

.......................................................................

Table 2

Jadual 2

[3 marks]

[ 3 markah ]

For examiner’s

use

1(c)

3

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(d) State the hypothesis for this experiment.

Nyatakan hipotesis bagi eksperimen ini.

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

(e) (i) Construct a table and record the data collected in this experiment.

Bina satu jadual dan rekodkan semua data yang dikumpul dalam

eksperimen ini.

Your table should contain the following titles:

Jadual anda hendaklah mengandungi tajuk-tajuk berikut:

Type of earlobe

Jenis cuping telinga

Number of students

Bilangan pelajar

[3 marks]

[ 3 markah ]

For examiner’s

use

1 (d)

3

1 (e)(i)

3

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(ii) Use the graph paper provided on page 9 to answer this question.

Using the data in 1(e)(i), draw a bar chat of number of students against the type

of earlobe.

Gunakan kertas graf yang disediakan di muka surat 9 untuk menjawab soalan ini.

Menggunakan data di 1(e)(i), lukis satu carta bar bagi bilangan pelajar melawan

jenis cuping telinga.

[3 marks]

[ 3 markah ]

1 (e)(ii)

3

For examiner’s

use

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(f) Based on the bar chart in 1(e)(ii), explain the type of variation for type of earlobe.

Berdasarkan carta bar di 1(e)(ii), terangkan jenis variasi bagi jenis cuping telinga.

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

(g) In another experiment, the number of students is increased to 50.

Predict the number of student with free ear lobe.

Explain your prediction.

Dalam satu eksperimen yang lain, bilangan pelajar telah ditambah kepada 50.

Ramalkan bilangan pelajar yang mempunyai cuping telinga tidak melekap.

Terangkan ramalan anda.

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

(h) Based on this experiment, define operationally variation.

Berdasarkan eksperimen ini, definisikan variasi secara operasi.

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

…….....…………………………………………………………………………............

[3 marks]

[ 3 markah ]

For examiner’s

use

1 (f)

3

1 (g)

3

1 (h)

3

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(i) Table 3(a) shows a list of characteristics found in a plant.

Classify the characteristics according to the factors affecting them in Table 3(b).

Jadual 3(a) menunjukkan senarai ciri yang terdapat pada satu tumbuhan.

Kelaskan ciri-ciri tersebut berdasarkan faktor-faktor yang mempengaruhi ciri

tersebut dalam Jadual 3(b).

Colour of flower

Warna bunga

Width of leaves

Lebar daun

Height of plant

Ketinggian

tumbuhan

Diameter of fruit

Ukurlilit buah

Shape of pods

Bentuk kulit biji

Position of flower

Kedudukan bunga

Table 3(a)

Jadual 3(a)

Genetic factor

Faktor genetik

Environmental factor

Faktor persekitaran

Interaction of genetic and

environmental factors

Interaksi antara faktor

genetik dan persekitaran

Table 3(b)

Jadual 3(b)

[3 marks]

[ 3 markah ]

1 (i)

3

For examiner’s use

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2. Diagram 1 shows a garden snail (Cornu aspersum) which becomes the main pest in

vegetable farm.

Rajah 1 menunjukkan sejenis spesies siput kebun (Cornu aspersum) yang menjadi

haiwan perosak utama di kebun sayuran .

Diagram 1

Rajah 1

A research shows that humidity is one of the factor that affects the population size of

the garden snail.

Based on the above information, design an experiment to study the effect of humidity

on the population size of garden snail in your school.

The planning of your experiment must include the following aspects:

Satu kajian menunjukkan bahawa kelembapan ialah salah satu faktor yang

mempengaruhi saiz populasi siput kebun.

Berdasarkan pernyataan di atas, jalankan satu eksperimen untuk mengkaji kesan

kelembapan terhadap saiz populasi siput kebun di sekolah anda.

Perancangan eksperimen anda hendaklah meliputi aspek-aspek berikut:

Problem statement

Pernyataan masalah

Hypothesis

Hipotesis

Variables

Pemboleh ubah

List of apparatus and material

Senarai radas dan bahan

Experimental procedure

Prosedur eksperimen

Presentation of data

Persembahan data

[17 marks]

[17 markah]

END OF THE QUESTION PAPER

KERTAS SOALAN TAMAT

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INFORMATION FOR CANDIDATES

MAKLUMAN UNTUK CALON

1. This question paper consists of two question: Question 1 and Question 2

Kertas soalan ini mengandungi dua soalan: Soalan 1 dan Soalan 2

2. Answer all questions. Write your answer for Question 1 in the spaces provided in this

question paper.

Jawab semua soalan. Jawapan anda bagi Soalan 1 hendaklah ditulis pada ruang yang

disediakan dalam kertas soalan ini.

3. Write your answer for Question 2 on the ‘helaian tambahan’ provided by the

invigilators.

You may use equations, diagrams, tables, graphs and other suitable methods to explain

your answers.

Jawapan anda bagi Soalan 2 hendaklah ditulis dalam helaian tambahan yang dibekalkan

oleh pengawas peperiksaan. Anda boleh menggunakan persamaan, rajah, jadual, graf

dan cara lain yang sesuai untuk menjelaskan jawapan anda.

4. Show your working, it may help you to get marks.

Tunjukkan kerja mengira, ini membantu anda mendapatkan markah

5. The diagrams in the questions are not drawn to scale unless stated

Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.

6. The marks allocated for each question or sub-part of a question are shown in brackets.

Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam

kurungan.

7. If you wish to change your answer, cross out the answer that you have done. Than write

down the new answer.

Jika anda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis

jawapan yang baru.

8. You may use a non-programmable scientific calculator.

Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.

9. You are advised to spend 45 minutes to answer Question 1 and 45 minutes for

Question 2. Anda dinasihatkan supaya mengambil masa 45 minit untuk menjawab Soalan 1 dan 45

minit untuk menjawab Soalan 2.

10. Tie the ‘helaian tambahan’ together with this question paper and hand in to the

invigilator at the end of examination.

Ikat helaian tambahan bersama-sama kertas soalan ini dan serahkan kepada pengawas

peperiksaan pada akhir peperiksaan.

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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

PERATURAN PEMARKAHAN

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PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SPM

BIOLOGI

PERATURAN PEMARKAHAN

1. B 26. C

2. A 27. B

3. D 28. C

4. D 29. C

5. D 30. B

6. A 31. D

7. D 32. B

8. C 33. A

9. D 34. B

10. D 35. B

11. C 36. B

12. D 37. C

13. D 38. A

14. B 39. D

15. C 40. D

16. B 41. A

17. A 42. B

18. C 43. C

19. B 44. C

20. B 45. D

21. A 46. B

22. D 47. C

23. B 48. D

24. D 49. B

25. A 50. D

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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

Kertas 2

PERATURAN PEMARKAHAN

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Question 1

No Mark scheme Sub

total

Total

1(a)(i) Able to name system P.

Answer :

Nervous system

1

1

1

(ii) Able to name cell Q and cell R

Answer :

Cell Q : efferent / motor neurone

Cell R : Interneurone

2

1

1

2

(iii) Able to draw afferent / sensory neuron

Sample answer :

Cell body in the middle

any diagram of afferent neuron.

*Reject : symbol of afferent

1

1

1

(b) (i) Able to name level of cell organization shown in level T.

Answer:

Organ

1

1

1

(ii) Able to give one reason for the answer in 1(b)(i).

Sample answer :

Because it contains more than one of different type of tissue //

build up by grey matter and white matter // more than one type

of tissue // any suitable explanation.

1

1

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(c)(i) Able to explain the role of cell Q, cell R and cell S in a

reflex action.

Sample answer :

P1: the impulse are transmitted from an afferent neurone / Q to

the spinal cord.

P2: (in the spinal cord), the (nerve) impulses are transmitted

from the afferent neurone to an interneurone

P3: the impulses are transmitted to an efferent neurone.

Any two

2

1

1

1

2

(ii) Able to explain one importance of reflex action to human.

Sample answer :

F : To provide a rapid / automatic / spontaneous action

P1 : to respond immediately / faster (to dangerous) stimuli /

condition / situation

P2 : to protect from (serious) injury

Any two

2

1

1

1

2

(d) Able to suggest two ways to help the person to do their

daily routine of life.

Sample answer :

P1: (The Alzheimer`s person becomes confused/ forgetful/

lost their sense of direction), help them to find the way //

any explanation.

P2: ( lose the ability to read / write/ eat / walk / talk) help them

to read news paper // any explanation

P3: Care of patients / lots of patience / understanding // any

explanation // pay more attention //

P4: Visits homes for aged / old folks/ old people of

Alzheimer`s patients.

Any two

2

1

1

1

1

2

TOTAL 12

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Question 2

No Mark scheme Sub

total

Total

2(a)(i) Able to name the structures labeled P and Q.

Answer

P : Chromosomes / Chromatid / sister chromatid

Q : Centriole

2

1

1

2

(ii) Able to state one function of Q.

Sample answer

To form spindle fibres during cell division/meiosis

*Reject : mitosis

1

1

1

(iii) Able to state the stage of division of cell X and Y.

Sample answer

X : Prophase 1

Y : Metaphase 1

2

2

(b)(i) Able to state one difference between the chromosomal

behaviour in cell x and cell Y.

Sample answer

PROPHASE 1/ Cell X METAPHASE 1/ Cell Y

D1- Homologous

chromosomes are arranged

randomly

Homologous chromosomes

are arranged on the

metaphase plate/ equatorial

plane / middle of the cell

D2- The centromeres of the

chromosomes are not hold

by/ attached to any spindle

fibre.

The centromeres of the

chromosomes are hold by/

attached to the spindle fibres.

D3- Crossing over takes

place between the non-sister

chromatids / homologous

chromosome

Crossing over has already

taken place between the non-

sister chromatids /

homologous chromosome

Any one

1

1

1

1

1

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(ii) Able to explain one important event that takes place

during stage shown in cell X.

Sample answer

F1: Crossing over between homologous chromosomes.

P1: An exchange of segments of DNA / genetic materials

/information (between non-sister chromatids /homologous

chromosomes / bivalent / tetrad)

P2: which results in new combinations of genes / alleles on a

Chromosome

P3 : to produce variations (in gametes / offspring)

Any three

*Reject : cross over

3

1

1

1

1

3

(c)(i) Able to explain how the chromosomal behaviour in cell Y

involved in reducing the chromosomal number in the cell

J.

Sample answer

P1: (After metaphase 1), anaphase 1 takes place

P2 : 23 / n / half of sister chromatid move / pulled / separate

away to the opposite pole.

P3: after completed meiosis// meiosis 1 and meiosis 11

P4: gamete / sperm with 23 / n chromosome formed.

Any three

*Reject : attract

3

1

1

1

3

TOTAL 12

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Question 3

No Mark scheme Sub

total

Total

3(a)(i) Able to name structure P

Answer

Gall bladder

1

1

1

(ii) Able to state the role of P to maintain the alkaline medium

in R.

Sample answer

P1 : Channel / release bile into the R / duodenum.

P2 : bile neutralize the acid (from the stomach).

P3 : bile optimizes the pH ( for enzyme action)

Any one

1

1

1

1

1

(b) Able to explain how to overcome the difficulty.

Sample answer

P1: Bile acts as an emulsifier

P2: Lowers the surface tension of the lipids

P3: Coats tiny/ fat droplets to form a stable emulsion

P4 : providing a greater/large surface area ( for digestion )

Any two

2

1

1

1

1

2

(c)(i) Able to name the enzyme and product of protein digestion

in R and S in Table 1.

Sample answer

Structure Enzyme Product

R Trypsin Peptide

S Erepsin Amino acids

**Enzyme and product must be correct = 1 mark

*Reject : protease

2

1

1

2

(ii) Able to explain how the enzyme hydrolysed quaternary

structure of proteins in Q.

Sample answer

P1: Loosen the of quarternary structure // change to three

dimensional shape / tertiary structure

P2 : breaking (specific) peptide bond

P3: In acidic medium / pH around 2

Any two

2

1

1

1

2

(d) (i) Able to state differences between human and rabbit 1

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Sample answer :

Human Rabbit

Small caecum / appendix Big / large caecum /

appendix

1

1

(ii) Able to explain how the rabbit get energy from the

vegetables.

Sample answer

P1: bacteria in the caecum/appendix produce cellulase

P2 : to digest / hydrolyse / break down cellulose ( in food)

P3 : to glucose

P4 : Glucose/ the breakdown product pass through the

alimentary canal of rabbit twice // the first batch of faeces

eaten again

P5: Glucose /nutrient / digested food / product are absorbed

(for the energy.)

Any three

*Reject : convert

3

1

1

1

1

1

1

3

TOTAL 12

Question 4

No Mark scheme Sub

total

Total

(a)(i) Able to explain one function of hormone secreted by X

Answer :

F : Oestrogen

P : to repair/ stimulate the thickening uterine lining /

endometrium wall.

2

1

1

2

(a)(ii) Able to label to show a part which fertilization take place

Answer :

Any part of fallopian tube.

1

1

(b)(i) Able to explain how the brain regulate hormones in the 2

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menstrual cycle.

Sample answer :

F : Brain consists of pituitary gland// hypothalamus

P1 : Secrete Follicle Stimulating Hormone/ FSH/ Luteinizing

Hormone/ LH // Gonadotrophin Releasing Hormone/GnRH

P2 : Stimulate the development of follicle into Graffian

follicle/ stimulate ovulation // Stimulate pituitary gland to

secrete hormone

Any two

1

1

1

2

(b)(ii) Able to name phase S and T in uterus lining during

menstrual cycle.

Answer :

Phase S : Menstruation

Phase T : Vascularise

2

1

1

2

(b)(iii) Able to explain how contraceptive pills prevent the process

at N from occur.

Sample answer :

P1 : Contraceptive pills contains oestrogen and progesterone

P2: Inhibit Secretion of LH

P3: Prevent ovulation (from occur)

2

1

1

1

2

(c)(i) Able explain why female have higher risk to acquired

oesteoporosis compare to male

Sample answer :

P1 :(At 60) woman undergoes menopause

P2 : ovary no longer secrete oestrogen hormone

P3 : less absorption of calcium (in small intestine)

Any two

2

1

1

1

2

(c)(ii) Able to suggest one way to reduce the effects of menopause

symptom

Sample answer :

P1 : Taking diet with high calcium

P2 : Take oestrogen hormone supplement

P3 : Seek psychiatrist for counseling

P4 : Have healthy lifestyle // regular exercise // avoid smoking

P5 : Avoid stress

Any one

1

1

1

1

1

1

1

TOTAL 12

Question 5

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No Mark scheme Sub

total

Total

5(a)(i) Able to write the parent`s genotype in the spaces provided

Sample answer

Ali : IᴬIᴼ

Aisyah : IᴼIᴼ

2

1

1

2

(ii) Able to write the genotype of gametes in the circle provided

Sample answer

Ali : Iᴬ , Iᴼ

Aisyah : , Iᴼ , Iᴼ

**Both type of gametes for Ali and Aisyah correct 1 mark

2

1

1

2

(iii) Able to write the offspring`s genotype in the spaces

provided.

Sample answer

Iᴼ Iᴼ

1

1

1

(b) Able to explain how the offspring inherits blood group O.

Sample answer

P1 : during meiosis

P2 : father / Ali produced gametes with allele Iᴬ while

mother

also produced gametes with allele Iᴬ

P3 : The gametes fused / fertilized (to produced zygote)

P4: Zygote / offspring has genotype Iᴬ Iᴬ , ( blood group O)

Any Three

3

1

1

1

1

3

(c) Able to explain why her husband /Ali is not a compatible

donor.

Sample answer

P1 : Ali has antigen A ,

P2 : Aisyah has antibody a

P3 : Antigen A and antibody a is compatible

P4 : Agglutination will occur .

Any three

3

1

1

1

1

1

3

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(d) Able to name the genetic disease .

Sample answer

Haemophilia

1

1

TOTAL 12

SECTION B

Question 6

No Mark Scheme Sub

total

Total

6(a)

(i) Able to explain the cellular respiration process that occurs

in individual X and Y correctly.

Sample answer:

Individual X

F1 : Anaerobic respiration / not required oxygen

P1 : Occur in cytoplasm

P2 : The glucose is partially/ not completely oxidised /

broken down

P3 : releases less energy / 150 kJ of energy (per mole of

glucose)

P4 : produce lactic acid

Individual Y

F2 : Aerobic respiration / required oxygen

P5 : occurs in mitochondria (and cytoplasm)

P6 : The glucose is completely oxidised / broken down

P7 : releases much energy / 2898 kJ of energy (per mole of

glucose)

P8 : produce carbon dioxide and water

** Reject ATP

Any six

Max 6

1

1

1

1

1

1

1

1

6

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(ii) Able to explain why the individual X carries out the action.

Sample answer

Wears a track suit :

F : To prevent lose of heat

P1 : Heat that traps by the track suit is used to maintain the

body temperature

P2 : Less oxygen is used to produce heat and the oxygen can

be used to oxidise lactic acid

Takes a few long deep breaths :

F : to obtain more oxygen

P3 : to pay the oxygen debt

P4 : Oxygen is used to breakdown lactic acid

Walks freely as a “cooling down” activity :

F : To maintain the blood circulation rate (to transport the

lactic acid to the liver)

P5 : To ensure that oxygen is supplied continuously to the

muscle cells

Any six involve all actions

Max 6

1

1

1

1

1

1

1

1

6

(b) Able to explain the similarities and differences of both

system.

Sample answer :

Similarities :

F1 : Both have (large) surface area for gaseous exchange

P1 : Human has alveolus and fish has filaments/lamellae

F2 : Both have surface that increase the diffusion rate of

gases

P2 : The wall of alveoli in human very thin / only 1 cell thick

// The membrane of filaments/lamellae in fish very thin /

only 1 cell thick

F3 : Both respiratory organs have blood capillaries

network

P3 : To transport the respiratory gases rapidly / faster/

efficiently

F4 : Both have moist surface for gaseous exchange

P4 : to dissolve more respiratory gases

Max 8

1

1

1

1

1

1

1

1

1

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F5 : Both use muscles to change the pressure in the

thoracic cavity

P5 : Human has diaphragm muscle and intercostals muscles

Fish has muscles at mouth and operculum

F6 : Both have circulatory system to transport oxygen to

body tissues in blood vessels

P6 : Human and fish have closed circulatory systems

Differences

Human (has) Fish (has) Explanation

(P)

F7 Cartilage rings

at trachea

prevent the

trachea from

being collapse

But the water

flow prevents

the grills

from being

stick together

(1 m)

P7 To ensure

the continuous

and sufficient

oxygen supply

(1 m)

F8 Gaseous

exchange

surface in

alveoli are

always moist

// Gaseous

exchange

surface in

alveoli do not

expose to the

environment

directly

But Gaseous

exchange

surface is

constantly

moist by

water

(1 m)

P8 Position of

the organ to

ensure that the

gaseous

exchange

surfaces do not

dry up // any

explanation

(1 m)

Any eight

At least 1 point of similarity and 1 point of differences.

1

1

1

1,1

1,1

1,1

8

TOTAL 20

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Question 7

No Mark Scheme Sub

total

Total

7(a) Able to explain the adaptation of xylem to its functions

Sample answer :

F1 : Xylem vessels are elongated cells arranged end to end

P1 : to allows water to flow in continuous column.

F2 : (end) walls (of the vessels) have (broken down in the)

pits

P2 : to allows water to pass/diffuse/move from cell to cell.

F3 : The side walls of the xylem vessels are perforated by

pits,

P6 : to allows water to pass/move sideways/lateral movement

F4 : The lignified walls

P4 : prevent the xylem vessels from collapsing // for

mechanical support

F5 : The lumen of xylem vessels is narrow

P5 : increases the capillarity forces / action

Any 2F with P

Max 4

1

1

1

1

1

1

1

1

1

1

4

(b) Able to explain the movement of water through the roots

Sample answer :

F : involve Root pressure

P1 : The root hairs provide a large surface area ( for absorption

of water.)

P2 : The root hair cells are hypertonic to the surrounding soil

water.

P3 : water diffuse into the root hair cell

P4 : by osmosis.

P5 : The root hair cells become hypotonic to the cells in the

cortex.

P6 : (In the cortex) water diffuses (into the parenchyma cells)

P7 : into endodermis.

P8 : By osmosis

P9 : Casparian strips ( lining the side of the cell wall of

Endodermal) is impermeable to water.

P10 : Water movement through the cell wall is blocked.

P11 : Water diffuses through the cytoplasm / vacuole of

Max 8

1

1

1

1

1

1

1

1

1

1

1

1

6

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endodermal cells (to the xylem vessels) // any explanation

Any six

P4 and P8 give mark once

(c) Able to explain why the rate of transpiration differ from

the time 0000 to time 2400.

Sample answer :

From 0000 to 0600 :

F1 : Rate of transpiration is low.

P1 : Stomata close due to low light intensity.

P2 : Less water is lost

From 0600 to 1800

F2 : Rate of transpiration increases.

P3 : Light intensity is high, guard cells carry out

photosynthesis,

P4: The sugar content in the guard cells increase causing its

osmotic pressure to increase // guard cells is hypertonic to

epidermal cells // Potassium ion diffuse into guard cell

P5 : Water diffuse into the guard cells

P6 : by osmosis

P7: and the guard cells become turgid

P8 : The guard cells curve due to the inner cell wall being

thicker than the outer cell wall // any explanation

P9 : causing the stoma to open.

P10 : More water lost to surrounding.

From 1800 to 2400

F3 : Rate of transpiration decreases.

P11 : Light intensity is low, photosynthesis is low / does not

occur.

P12 : Osmotic pressure in guard cells decrease // guard cells is

hypotonic to epidermal cell

P13 : Water diffuse out of cells

P14 : by osmosis

P15 : The guard cell lose water / become flaccid causing the

stoma to close.

Any 10

P6 and P14 : give mark once

Max

10

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

10

TOTAL 20

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Question 8

No Mark Scheme Sub

total

Total

8(a)(i) Able to explain two adaptive characteristic for efficient

transport in human

Sample answer

F1 : Biconcave disc //thinner at the centre than at its edges

P1 : to increase total surface area

P2 : for efficient gaseous exchange

F2 : No nucleus

P3 : to contain more heamoglobin

P4 : to bind with oxygen/carbon dioxide/respiratory gases/to

form oxyhaemoglobin/carbaminohaemoglobin

F3 Elastic membrane

P5 : Can squeeze into (tiniest) capillaries

Any four

Max 4

1

1

1

1

1

1

1

1

4

(a)(ii) Able to explain the possible consequences of this condition

on the health and state the type of food he should take

Sample answer

F : Anaemia

P1 : Less red blood cells/erythrocyte / haemoglobin to

combine with oxygen

P2 : to form oxyhaemoglobin

P3 : less oxygen is transported to body tissues

P4 : for cellular respiration

P5 : less energy is produced

P6 : resulting in tiredness / breathlessness / weakness / fatigue

P7 : pale looking appearance

Any 4

Type of food

P8 : Food rich in iron / ferum

P9 : cockles / liver / spinach / folic acid // any suitable example

Max 6

(4+2)

1

1

1

1

1

1

1

1

1

1

6

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(b) Able to discuss about the statement.

Sample answer

F : People should consume balanced diet, not smoking and

practice healthy lifestyle

Balance diet

B1: Balance intake of fats / lipids / carbohydrate / sugar /

cholesterol // follow the food guide pyramid

B2: Avoid the accumulation / deposition of cholesterol in the

lumen of blood vessel / avoid obesity

B3: Maintain blood flow / circulation

B4: Prevent artherosclerosis / stroke / thrombosis / embolism

B5: Correct amount intake of salt in diet

B6: Avoid raises the blood osmotic pressure / increase the

blood pressure / hypertension

B7 : Prevent heart attack/ cardiac arrest / myocardial infarction

Smoking

C1: No nicotine , blood vessel not constrict // not addicted

C2: Normal / maintain blood pressure

C3: Prevent accumulation of plaque

C4: Prevent thrombosis / artherosclerosis / arteriosclerosis

C5: No smokes which contain carbon monoxide

C6: No competition to bind with heamoglobin between carbon

monoxide and oxygen

C7: Prevent inefficiency of transporting of oxygen //

transporting of oxygen is efficient.

C8: Prevent difficulty in breathing / fatigue / stroke / chest

pain / angina

C9 : Prevent heart attack / cardiac arrest / myocardial

infarction.

Practicing unhealthy lifestyle

L1: Good of exercise / physical exercise // no sedentary

lifestyle

L2: Prevent obesity // excess fat can be burnt

L3: Avoid stress / high blood pressure

L4 : Avoid heart attack / cardiac arrest / myocardial infarction.

Any 10

B7. C9, L4 : give mark once

At least 1 B, 1 C , 1 L

Max

10

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

10

TOTAL 20

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Question 9

No Mark Scheme Sub

total

Total

(a) Able to explain what measures can be taken to ensure a

balanced and stable ecosystem is maintained

Sample answer:

Technological approach:

F1: Using unleaded petrol / hybrid car

E1: Reduce the emission of lead/ plumbum into the

Atmosphere

F2: Use of catalytic converter

E2: Convert hazardous gases into harmless substances

F3 : Use of renewal energy

E3 : Reduce emission of carbon dioxide into atmosphere

F4 : Treatment of sewage

E4 : Prevent from domestic waste/ industrial waste from

polluted the sea

Non-Technological Approach

F1: Implementation of law

E1: Fine the offender

F2: Education/ campaign

E2: To instill awareness of importance of nature to public

F3: Practice of biological control

E3: Reduce the usage of herbicide and pesticide

Any 10

10

1

1

1

1

1

1

1

1

1

1

1

1

1

1

10

(b) Able to discuss why the ecosystem has to be maintained

according to following criteria:

o F1 : Description of balanced ecosystem

o F2 : Importance of maintaining the balanced

ecosystem

o F3 : Reason to maintain

Sample answer

F1 : It is a balanced ecosystem // interaction between biotic

and abiotic factors.

Max

10

1

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P1 : ensure conservation of biodiversity // preservation of flora

and fauna

P2 : preventing extinction of flora and fauna

F2 : maintaining major soures of human food / examples //

sources of medicinal resource

P3 : sustain food web / chain in the ecosystem

P4 : preventing disruption of natural cycle of water / carbon /

balance between photosynthesis and respiration.

P5 : to provide natural water catchment area

P6 : to preserve natural resoures for outdoor / recreational

activities / tourism / ecotourism

P7 : to reduce stress / promote healthy life style

F3 : the loss of plants / animals // destruction of flora and

fauna in the ecosystem // lost of habitat / ecological

niche / certain organisms

P8 : to prevent reduction in food resources / food chain / size

of food web

P9 : to prevent soil erosion / land slide/ muddy flood / flash

flood / natural disaster

P10 : to prevent extinction of a few animals / plant species

which might be useful in the future.

Any 10

1

1

1

1

1

1

1

1

1

1

1

1

10

TOTAL 20

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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH

DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PENDIDIKAN MALAYSIA

PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2013

PERCUBAAN SIJIL PELAJARAN MALAYSIA

BIOLOGI

Kertas 3

PERATURAN PEMARKAHAN

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QUESTION 1

Question Mark Scheme Marks

1(a) Able to record all two readings accurately.

Answers:

Type of earlobe Free Attached

Number of students 14 6

3

Able to record any 1 readings accurately.

2

No response

Or

Wrong response

0

1(b)(i) Able to state two different observations correctly according to the criteria:

P1: Type of earlobe

P2 : Number of students

Sample answers:

( Horizontal observations )

1. The number of students with free earlobe is 14.

2. The number of students with attached earlobe is 6.

( Vertical observations )

3. Number of students with free earlobe is more than the students with

attached earlobe.

3

Able to state one correct observation and one inaccurate observation.

or

Able to state two inaccurate observations.

Sample answers: ( Inaccurate observations )

1. The number of students with free earlobe is high / more.

2. The number of students with attached earlobe is less.

2

Able to state one correct observation or

Able to state two observations at idea level

Sample answers: ( Idea level )

1. Different students have different type of earlobe. ( P2 only )

2. There are two types of earlobe. ( P2 only )

3. Number of students changes. ( P1 only )

1

No response

Or

Wrong response

0

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Question Mark Scheme Marks

Summary of scoring for observations:

Score Correct Inaccurate Idea Wrong

3 2 - - -

2

1 1 - -

- 2 - -

1

1 - 1

- - 2 -

1 - - 1

- 1 1 -

0

- 1 - 1

- - 1 1

1 (b) (ii) [KB0604 - Making inferences]

Question Mark Scheme Marks

1(b)(ii) Able to state two inferences correctly based on the following criteria:

P1: Trait

P2: Dominant / recessive

Sample answers:

1. ( Free earlobe ) trait is dominant .

2. ( Attached earlobe ) trait is recessive.

3

Able to state one correct inference and one inaccurate inference

Or

Able to state two inaccurate inferences

( 1P only )

Sample answers: ( Inaccurate inference )

1. ( Free earlobe ) is a dominant .

2. ( Attached earlobe ) is a recessive.

3. ( Attached earlobe and free earlobe ) are traits that can be inherited.

2

Able to state one correct inference

Or

Able to state one inference at idea level.

Sample answer: ( Idea level )

1. Type of earlobe is a discontinuous variation.

2. Type of earlobe occurs randomly.

1

No response or wrong response 0

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Question Mark Scheme Marks

Summary of scoring for inferences:

Score Correct Inaccurate Idea Wrong

3 2 - - -

2

1 1 - -

- 2 - -

1

1 - 1

- - 2 -

1 - - 1

- 1 1 -

0

- 1 - 1

- - 1 1

1 (c) [KB061001 - Controling Variables]

Question Mark Scheme Marks

1(c) Able to state all the variables and the method to handle the variables

correctly.

Sample answers:

Variables Method to handle the variables

Manipulated variable:

Type of earlobe // Trait

Select different type of earlobe / trait

Responding variable:

Number of students //

Dominant / Recessive

Record the number of students.

// Record / State / Determine the

dominant / recessive ( trait )

Controlled variable:

Gender of students // Total

number of students

Use only male students / test on 20

students

6 ticks

3

Able to state 4 - 5 of the variables and the method to handle the variables

correctly.

4-5 ticks

2

Able to state 1 - 3 of the variables and the method to handle the variables

correctly.

2-3 ticks

1

No response or wrong response

0 tick 0

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1 (d) [KB0611 - Making Hypothesis]

Question Mark Scheme Marks

1(d) Able to state a hypothesis based on following aspects:

P1: Manipulated variable ( Type of earlobe // Trait )

P2: Responding variable ( Number of students // Dominant / Recessive )

P3: Relationship ( higher / lower / )

Sample answers:

1. The number of students with free earlobe is higher than that with attached

earlobe.

3

Able to state a hypothesis inaccurately based on any two aspects:

Sample answer:

1. Attached earlobe / free earlobe is recessive / dominant trait. ( P1 and P2 )

2. The number of students depends on the type of earlobe. ( P2 and P1 )

2

Able to state a hypothesis based on any one aspect or

Able to state a hypothesis at idea level.

Sample answer:

1. The number of students depends on the type of variation. ( P2 only )

2. Type of earlobe is a discontinuous variation. ( P1 only )

1

No response or wrong response

0 tick 0

1 (e)(i) [KB0606 - Communicating]

Question Mark Scheme Marks

1(e)(i) Able to construct a table which contain the following aspects:

T : Title with correct unit

D1 : Data for type of earlobe recorded correctly

D2 : Data for number of student recorded correctly

Answer:

Type of earlobe Number of student

Attached 4

Free 16

3

Able to construct a table based on any two correct aspects 2

Able to construct a table based on any one correct aspect 1

No response or wrong response

0 tick 0

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1 (e)(ii) [KB0608 - Space and Time Relationship]

Question Mark Scheme Marks

Able to draw a bar chart based on the following aspects:

P : Uniform scale for both axes

T : Bars with correct height

B : 2 bars draw separately / joined

Sample answer:

Number of student

Type of earlobe

3

Able to draw a bar chart based on any two aspects 2

Able to draw a bar chart based on any one aspect 1

No response or wrong response

0

1 (f) [KB0607 - Interpreting Data]

Question Mark Scheme Marks

1(f) Able to explain the type of variation for type of earlobe based on the

following aspects:

P1: Discontinuous variation

P2 : Discrete distribution graph

P3: No intermediate ( trait in between attached earlobe and detached

earlobe )

Sample answer:

1. Type of earlobe is a discontinuous variation because it shows a discrete

distribution graph. There is no intermediate( trait in between attached

earlobe and detached earlobe.)

3

Able to explain the type of variation for type of earlobe based on any two

aspects.

Able to explain the type of variation for type of earlobe based on any one

aspect. 1

No response or wrong response

0

Free

Attached

20

15

10

5

0

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1 (g) [KB0605 - Predicting]

Question Mark Scheme Marks

1(g) Able to predict the number of students based on the following aspects:

P1 : Correct prediction ( Number of student with free earlobe increases /

more than 14 / (any value more than 14 but less than 50 ) / more than the

students with attached earlobe )

P2 : Free earlobe is dominant trait

P3 : More samples / students used

Sample answers:

The number of student is more than 14 . Free earlobe is a dominant trait.

More samples are used ( will increase the probability )

3

Able to predict based on any two aspects. 2

Able to predict based on any one aspect. 1

No response or wrong response

0

1 (h) [KB0609 - Define Operationally]

Question Mark Scheme Marks

1(h) Able to define variation based on the following aspects:

D1: Differences of characteristics / traits /phenotype in humans / male

students

D2 : Type of earlobe

D3 : Dominant and recessive trait // Hypothesis statement

Sample answer:

Variation is differences of characteristics in humans which is the type of

earlobe. Number of students with free earlobe trait is higher than the

number of students with attached earlobe.

3

Able to define variation based on any two aspects. 2

Able to define variation based on any one aspect. 1

No response or wrong response

0

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1 (i) [KB0602 - Classifying]

Question Mark Scheme Marks

1(i) Able to classify the characteristics in a plant correctly.

Sample answer:

Genetic factor

Environmental factor

Interaction of genetic

and environmental

factors

Colour of flower

Position of flower

Shape of pods

Height of plant

Width of leaves

Diameter of fruit

Height of plant

Width of leaves

Diameter of fruit

All 9 correct

3

7 - 8 correct 2

1 - 6 correct 1

No response or wrong response

0

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QUESTION 2

2(i) Problem statement

Question Criteria Marks

2(i)

Able to state a problem statement correctly based on the following aspects:

P 1: Manipulated variable - Humidity

P 2: Responding variable - Population size of garden snail

P 3: Relationship in question form

Sample answers :

1. Does humidity affect the population size of garden snail?

2. What is the effect of humidity to the population size of garden snails?

3

Able to state the problem inaccurately based on two criteria:

Sample answers :

1. Does humidity affect the garden snail? ( P1 and P3 only )

2. Does the population size of garden snail different? ( P2 and P3 only )

2

Able to state the of problem statement at idea level based on one criterion:

P1or P2 only

Sample answer :

1. Population size of garden snail is different.

2. Humidity affects the garden snail.

1

No response or wrong response. 0

2(ii) Hypothesis

Question Criteria Marks

2(ii) Able to state a hypothesis correctly based on the following criteria:

P1: Manipulated variable -Humidity

P2: Responding variable - Population size of garden snail

P3: Relationship

Sample answer :

1. When humidity is higher/lower, the population size of garden snail is

higher/lower

2.When humidity is higher/lower, the population size of garden snail is

lower/higher. (wrong conclusion)

3

Able to state the hypothesis inaccurately based on any two criteria:

P1 and P2 only // P1 and P3 only

2

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Sample answer :

1. Humidity affects the population size of garden snail. ( P1 and P2 only )

2. When humidity is higher, the garden snail is more. ( P1 and P3 only )

Able to state a hypothesis at idea level.

P1 or P2 only

Sample answer :

1. Humidity affects the garden snail.

2. Population size of garden snail is different.

3. The higher the population size of garden snail, the higher the humidity.

(reverse hypothesis)

1

No response or wrong response. 0

2(iii) Variables

Question Criteria Marks

2(iii) Able to state all the three variables correctly.

Manipulated variable: Humidity

Responding variable: Population size of garden snail

Controlled variable: Type of garden snail // Area of sampling

3

Able to state two variables correctly 2

Able to state one variable correctly 1

No response or wrong response. 0

2(iv) Materials and apparatus

Question Criteria Marks

2(iv) Able to list all the functional materials and apparatus accurately based on the

criteria:

Apparatus:

1. Paint brush

2. Measuring tape / ruler

Material :

1. Indian ink / permanent marker*

2) Garden snail*

3) Location / Area of sampling

*Compulsory apparatus/material

Note:

Location / Area of sampling / Permanent marker – accepted as material or

apparatus ( mark once only )

3

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All 3 materials and 2 apparatus including*

Able to state 2 materials and 2 apparatus including * 2

Able to state 2 materials and 1 apparatus including* 1

Able to state 0 - 1 materials/apparatus

Or

No response // wrong response

0

2(v)Procedure (Refer to procedure in example)

Question Criteria Marks

2(v) Able to describe the steps of the experiment procedure or method correctly based

on five criteria:

K1 : How to set up the apparatus ( at least 4 steps)

K2 : How to operate the controlled variable ( Any one)

K3 : How to operate the responding variable ( Any one )

K4: How to operate the manipulated variable ( Any one )

K5 : Precaution // steps to increase accuracy ( Any one )

All 5K

3

Any 3 – 4K 2

Any 1- 2K 1

No response or wrong response 0

Sample answer for procedure :

1. Capture (K1)garden snail randomly in school field/low humidity area (K1) in the

fixed area of 50m x 50m. (K2) K1, K2

2. Count (K1) the garden snails that captured and mark (K1) their shell with small dot of

Indian ink. Make sure the mark is water proof /does not expose the garden snail to

predator/not harm the garden snails.(K5)

K1, K5

3. Release the garden snails to their habitat. (K1) K1

4. After seven days (K2), capture once again as many garden snails. (K1) K1, K2

5. Record the total number of garden snails captured (K1) and note / record the number

of those which had been marked. (K1) K1

6. Calculate and record the population size of garden snails using formula: (K3)

The number of individuals in the first capture x The number of individuals in the

second capture

The number of marked individuals in the second capture

K3

7. Repeat step 1-6 in school science garden / high humidity area. (K4) K4

8. Tabulate data in the table.(K1) K1

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2(vi) Data

Question Criteria Marks

2(vi) Able to construct a table to record data with based on the following aspects :

Title of manipulated variable (MV) and responding variable (RV) (1m)

Data for manipulated variable (1m)

Sample answer:

RV

MV

Area/

Location

Total number of

garden snail in

first capture

Second capture Estimated

population

size Total number

of snails

Total number of

marked snails

School

field//

Low

humidity

School

science

garden//

High

humidity

2

Any one correct aspect 1

No response or wrong response. 0

Summary of marking:

No Criteria Score

2 (i) Problem statement 3

2 (ii) Hypothesis 3

2 (iii) Variables 3

2 (iv) Materials and apparatus 3

2 (v) Procedure 3

2 (vi) Presentation of data 2

Total

17 marks

PERATURAN PERMARKAHAN TAMAT

Data

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