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SULIT 2
NAMA
KELAS
NO. MAKTAB
MAKTAB RENDAH SAINS MARA
PEPERIKSAAN PERCUBAANSIJIL PELAJARAN MALAYSIA 2010
BIOLOGYPaper 1
One hour and fifteen minutes
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Kertas soalan ini adalah dalam dwibahasa.
2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu.
3. Calon dikehendaki membaca maklumat di halaman belakang kertas soalan ini.
Kertas soalan ini mengandungi 39 halaman bercetak dan 2 halaman tidak bercetak
4551/1BIOLOGIKertas 1September1 Jam
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SULIT 4
What is the function of X? Apakah fungsi X?
A To control osmotic pressureUntuk mengawal tekanan osmosis
B To store extra DNAUntuk menyimpan DNA berlebihan
C To prevent plants from dehydrationUntuk mengelakkan tumbuhan daripada terhidrat
D To maintain cell shapeUntuk mengekalkan bentuk sel
Diagram 1 Rajah 1
X
1. Diagram 1 shows a plant cell. Rajah 1 menunjukkan satu sel tumbuhan.
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SULIT 5
Which organelle is found abundantly in structure Y?Organel manakah yang banyak terdapat dalam struktur Y?
A Smooth endoplasmic reticulum Jalinan endoplasma licin
B Rough endoplasmic reticulum Jalinan endoplasma kasar
C Mitochondrion Mitokondria
D Lysosome Lisosom
Y
Diagram 2 Rajah 2
2. Diagram 2 shows structure Y found in humans which secretes hormones and enzymes. Rajah 2 menunjukkan struktur Y pada manusia yang merembeskan hormon dan enzim.
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SULIT 7
4. Diagram 4 shows the movement of substance Q through the plasma membrane. Rajah 4 menunjukkan pergerakan bahan Q melalui membran plasma.
What is the process shown by the movement of substance Q? Apakah proses pergerakan yang ditunjukkan oleh bahan Q?
A OsmosisOsmosis
B Simple diffusion Resapan ringkas
C Active transportPengangkutan aktif
D Facilitated diffusion Resapan berbantu
5.
What is the best way to refresh the vegetables?
Apakah kaedah yang terbaik untuk menyegarkan semula sayur-sayurannya?A Immerse the vegetables in tap water
Rendam sayuran dalam air paip
B Immerse the vegetables in salt water Rendam sayuran dalam air masin
C Keep the vegetables in a transparent plastic bagSimpan sayuran dalam beg plastik lutsinar
D Keep the vegetables in the refrigeratorSimpan sayuran dalam peti sejuk
Diagram 4 Rajah 4
Direction of movementof subtance Q
Arah pergerakan bahan Q
A vegetable seller found his leafy vegetables wilted when left for half a day.Penjual sayur mendapati sayur-sayurannya layu apabila ditinggalkan separuh hari.
Q
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SULIT 8
6. Diagram 5 shows the condition of Paramecium sp. in fresh water. Rajah 5 menunjukkan keadaan Paramesium sp. dalam air tawar.
Which of the following is true about the contractile vacuole when the Paramecium sp.is placed in salt water?
Antara berikut, yang manakah benar tentang vakuol mengecut apabilaParamecium sp . diletakkan di dalam air masin?
A Contract at a slow rate Mengecut pada kadar yang perlahan
B Contract at a fast rate Mengecut pada kadar yang cepat
C Stop contracting Berhenti mengecut
D BurstPecah
Diagram 5 Rajah 5
Contractile vacuoleVakuol mengecut
Fresh water Air tawar
Salt water Air masin
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SULIT 9
7. Diagram 6 shows the condition of erythrocytes after being immersed in a hypertonicsolution.
Rajah 6 menunjukkan keadaan eritrosit selepas direndam dalam larutan hipertonik.
What is the condition of the erythrocytes? Apakah keadaan eritrosit itu?
A Haemolysed
Pecah
B CrenatedKrenasi
C FlaccidFlasid
D TurgidSegah
8. Diagram 7 shows the structure of protein. Rajah 7 menunjukkan struktur protein.
What type of protein structure is shown above?
Apakah jenis struktur protein yang ditunjukkan?
A Primary structureStruktur primer
B Secondary structureStruktur sekunder
C Tertiary structureStruktur tertier
D Quartenary structureStruktur kuarternari
Diagram 7 / Rajah 7
Diagram 6 / Rajah 6
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SULIT 11
11. Diagram 9 shows parts of a flower. Rajah 9 menunjukkan bahagian-bahagian bunga.
Which structure labelled A, B, C and D is involved in meiosis? Antara struktur yang berlabel A, B, C dan D yang manakah terlibat dalam prosesmeiosis?
Diagram 9 Rajah 9
A
B
C
D
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SULIT 12
12.
Which of the following are true?
Antara yang berikut, yang manakah benar?
I. Gamete cells become diploid cellsSel gamet menjadi sel diploid
II Gamete cells become haploid cellsSel gamet menjadi sel haploid
III There is exhange in genetic material between chromatids of homologouschromosomes
Berlaku pertukaran bahan genetik antara kromatid-kromatid pada kromosomhomolog
IV The chromosomal number in the zygote is half compared to that in the parent Bilangan kromosom dalam zigot menjadi separuh berbanding di dalam selinduk
A I and III only I dan III sahaja
B II and III only II dan III sahaja
C I and IV only I dan IV sahaja
D II, III and IV only II, III dan IV sahaja
Cells produced by the reproductive organ undergo meiosisSel-sel yang dihasilkan oleh organ pembiakan menjalani proses meiosis
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SULIT 13
13.
What is the type of nutrition carried out by the organism? Apakah jenis nutrisi yang dijalankan oleh organisma tersebut?
A. Autotrophic Autotrofik
B. Holozoic Holozoik
C. ParasiticParasitik
D. SaprophyticSaprofitik
14. Of the following, a deficit in which nutrient will lead to rickets? Antara berikut, kekurangan nutrien manakah yang menyebabkan riket?
A Vitamin B and CalciumVitamin B dan Kalsium
B Vitamin B and IodineVitamin B dan Iodin
C Vitamin D and CalciumVitamin D dan Kalsium
D Vitamin D and PotassiumVitamin D dan Kalium
An organism ingests food, digests it and then absorbs the digested food into its bodyOrganisma menelan makanan, mencerna dan menyerap makanan yang tercerna ke
dalam badannya.
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SULIT 14
15. Diagram 10 shows a part of the human digestive system. Rajah 10 menunjukkan sebahagian sistem pencernaan manusia.
Which of the parts labeled A, B, C or D secretes pepsin? Antara bahagian berlabel A, B, C atau D yang manakah merembeskan enzim pepsin?
16. Table 1 shows the nutritional content in food samples S and T respectively. Jadual 1 menunjukkan kandungan nutrisi bagi sampel makanan S and T.
Food sampleSampel makanan Carbohydrate/g Karbohidrat/g Protein/g Protein/g
S 8.5 0.8
T 4.2 12.3
Which of the following shows the functions of the nutrients in food samples S and Tfor humans?
Antara berikut yang manakah menunjukkan fungsi nutrien dalam sampel makanan S dan T pada manusia?
S T
A Formation of healthy bonePembentukan tulang yang sihat
GrowthPertumbuhan
B GrowthPertumbuhan
Supply energy Membekalkan tenaga
C Supply energy Membekalkan tenaga
Formation of healthy bonePembentukan tulang yang sihat
D Supply energy Membekalkan tenaga GrowthPertumbuhan
Table 1 Jadual 1
A
D
B
C
Diagram 10 Rajah 10
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SULIT 15
17. Which of the following methods can be used to maintain the nutritional quality andcontent of the food?
Antara berikut, kaedah manakah yang boleh digunakan untuk mengekalkan kualitidan kandungan nutrien dalam makanan?
A CanningPengetinan
B FermentationPenapaian
C RefrigerationPenyejukan
D PasteurisationPempasteuran
18. The following are some methods to prevent food spoilage. Berikut adalah beberapa kaedah untuk mencegah makanan daripada rosak.
Which of the following is the main principle applied in all the food processingmethods mentioned above?
Antara berikut yang manakah prinsip utama yang digunakan dalam kesemua kaedah
pemprosesan makanan tersebut?
A Eliminating vitaminPenyingkiran vitamin
B DehydratingPenyingkiran air
C Eliminating food colouringPenyingkiran pewarna makanan
D Maintaining food temperaturePengekalan suhu makanan
DryingPengeringan
Grilling Memanggang
Using salt Menggunakan garam
Using sugar Menggunakan gula
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SULIT 16
19. Which of the following graphs shows the effect of light intensity on the rate of photosynthesis?
Antara graf berikut, yang manakah menunjukkan kesan keamatan cahaya terhadapkadar fotosintesis?
A B
C D
20. Which of the following equation represents anaerobic respiration in yeast ? Antara persamaan berikut, yang manakah mewakili respirasi anaerob pada yis?
A Glucose Lactic acid + EnergyGlukosa Asid laktik + Tenaga
B Glucose Carbon dioxide + EthanolGlukosa Karbon dioksida + Etanol
C Glucose Carbon dioxide + Ethanol + EnergyGlukosa Karbon dioksida + Etanol + Tenaga
D Glucose Carbon dioxide + Lactic acid + EnergyGlukosa Karbon dioksida + Asid laktik + Tenaga
Rate of photosynthesisKadar fotosintesis
Light intensityKeamatan cahaya
Rate of photosynthesisKadar fotosintesis
Light intensityKeamatan cahaya
Rate of photosynthesisKadar fotosintesis
Light intensityKeamatan cahaya
Rate of photosynthesisKadar fotosintesis
Light intensityKeamatan cahaya
Zymase Zimase
Zymase Zimase
Zymase Zimase
Zymase Zimase
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SULIT 17
21. Diagram 11 shows a model of the human lungs. Rajah 11 menunjukkan model paru-paru manusia.
What causes the balloon to inflate when the rubber membrane is pulled downwards?
Apakah yang menyebabkan belon mengembang apabila membran getah itu ditarik kebawah ?
Volume of glass jar Isipadu dalam balang kaca
Air pressure inside glass jarTekanan udara dalam balang kaca
A Decrease Berkurang
Decrease Berkurang
B Increase Bertambah
Increase Bertambah
C Increase
Bertambah
Decrease
Berkurang D Decrease
Berkurang Increase
Bertambah
Air entersUdara masuk
TubeTiub
Balloon inflates Belon mengembangGlass jar
Balang kaca
Rubber membrane Membran getah
Pull downwardsTarik ke bawah
Diagram 11 Rajah 11
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SULIT 18
22. Diagram 12 below shows three organisms P, Q and R. Rajah 12 di bawah menunjukkan tiga organisma P, Q dan R.
P Q R
Which of the following shows the correct respiratory surface for the organisms? Antara berikut yang manakah menunjukkan permukaan respirasi yang betul bagiorganism tersebut?
P Q R A Tracheole
Trakeol Alveolus Alveolus
Gills Insang
B TracheoleTrakeol
Gills Insang
Alveolus Alveolus
C Alveolus Alveolus
TracheoleTrakeol
Gills Insang
D Gills Insang
Alveolus Alveolus
TracheoleTrakeol
Diagram 12 Rajah 12
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SULIT 19
23. Diagram 13 shows the respiratory structure in insects. Rajah 13 menunjukkan struktur respirasi pada serangga.
Diagram 13 Rajah 13
Based on Diagram 13, which observation is true about the respiratory structure? Berdasarkan Rajah 13, pemerhatian yang manakah benar tentang struktur respirasitersebut?
A The respiratory structure is covered by a network of blood capillariesStruktur respirasi dilitupi oleh jaringan kapilari darah
B The respiratory structure has a small surface area
Struktur respirasi mempunyai luas permukaan yang kecil
C The respiratory surface is thick and has impermeable wallsPermukaan respirasi tebal dan dinding yang tidak telap
D The respiratory surface has direct contact with the cellsPermukaan respirasi berhubung terus dengan sel-sel
CellSel
SpiracleSpirakel
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SULIT 20
24. Diagram 14 shows gaseous exchange between structures P and Q in the lungs. Rajah 14 menunjukkan pertukaran gas antara struktur P dan Q di peparu.
Diagram 14 Rajah 14
Which of the following describes the partial pressures of oxygen in P and Q duringinhalation?
Antara pernyataan berikut yang manakah menunjukkan tekanan separa oksigendalam P dan Q semasa tarikan nafas?
Partial pressure of oxygen in P
Tekanan separa oksigen dalam P
Partial pressure of oxygen in Q
Tekanan separa oksigen dalam QA High
TinggiLow
Rendah B Low
RendahHigh
Tinggi C High
Tinggi High
Tinggi D Low
Rendah Low
Rendah
Q
PO2
CO 2
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SULIT 21
25. The following information is about negative feedback mechanism when the oxygenlevel in the blood is low.
Maklumat di bawah adalah tentang mekanisma suap-balik negatif apabila tahapoksigen di dalam darah rendah.
Which sequence is correct?Urutan manakah yang betul?
A P, R, Q, S, T
B P, Q, R, S, T
C R, P, Q, T, S
D R, Q, P, T, S
P : Peripheral chemoreceptors are stimulatedKemoreseptor periferi teransang
Q : Respiratory muscles contract and relax fasterOtot-otot respirasi mengecut dan mengendur lebih pantas
R : Impulse is sent to the respiratory centre at the medulla oblongata Impuls dihantar ke pusat kawalan pernafasan di medula oblongata
S : Breathing and ventilation rates increase
Kadar pernafasan dan ventilasi bertambah
T : More oxygen is inhaled Lebih banyak oksigen disedut
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SULIT 22
26. Diagram 15 shows a prey- predator interaction. Rajah 15 menunjukkan interaksi mangsa- pemangsa.
Diagram 15 Rajah 15
Why did the population size of the predator decrease from the beginning of 1982 toOctober 1982?
Mengapakah populasi pemangsa menurun bermula pada awal 1982 hingga Oktober 1982?
A The sudden death of the predatorKematian tiba-tiba terhadap pemangsa
B The change in the climate of the habitatPerubahan cuaca dalam habitat
C A decrease in the number of prey in the habitat
Penurunan bilangan mangsa dalam habitat D The migration of the predator to different habitats
Perpindahan pemangsa ke habitat lain
P o p u
l a t i o n s i z e o
f o r g a n
i s m s
S a
i z p o p u
l a s i o r g a n i s m a1000
800
600
400
1978 1980 1982 1984 Time (year) Masa (tahun)
Key : Prey Predator Mangsa Pemangsa
OctoberOktober
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SULIT 23
27. Diagram 16 shows a pond ecosystem with organisms P, Q, R and S. Rajah 16 menunjukkan ekosistem kolam dengan organisma-organisma P, Q, R dan S.
Diagram 16 Rajah 16
Which of the following organisms can be determined by using the quadrat samplingtechnique?
Antara organisma berikut yang manakah boleh ditentukan menggunakan kaedah persampelan kuadrat?
A P and SP dan S
B P and RP dan R
C Q and RQ dan R
D Q and SQ dan S
P
S
R
Q
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SULIT 25
29. The situations below may be caused by a particular activity.Situasi-situasi di bawah boleh disebabkan oleh aktiviti tertentu.
Which of the following activity may lead to the above situations? Antara aktiviti berikut yang manakah boleh menyumbang kepada berlakunya situasi-situasi di atas?
A DeforestationPenyahutanan
B Open burningPembakaran terbuka
C Oil spillTumpahan minyak
D Fertilisation of soilPembajaan tanah
Climatic changesPerubahan iklim
The loss of biodiversityKehilangan biodiversiti
Soil erosion Hakisan tanah
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SULIT 26
30. Diagram 18 shows an environmental phenomenon. Rajah 18 menunjukkan suatu fenomena alam sekitar.
Diagram 18 Rajah 18
What is the phenomenon? Apakah fenomena itu?
A. Greenhouse effectKesan rumah hijau
B. Thermal pollutionPencemaran terma
C. Ozone depletionPenipisan lapisan ozon
D. Global warmingPemanasan global
Lapisan atmosfera
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SULIT 27
31. The following information is about eutrophication. Maklumat berikut adalah berkenaan eutrofikasi.
A M L N K
B K L N M
C K L M N
D M K L N
32. Which is the harmful effect of air pollution on humans? Manakah kesan buruk pencemaran udara kepada manusia?
A CholeraTaun
B Hearing problems (deafness) Masalah pendengaran (pekak)
C Eye irritationKerengsaan mata
D Oedema Edema
K pond is overgrown with weedskolam dilitupi rumpai
L rate of bacterial reproduction increaseskadar pembiakan bakteria meningkat
M aquatic population decreases populasi hidupan akuatik menurun
N BOD index increasesindeks BOD meningkat
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SULIT 28
33. Diagram 19 shows the circulatory system of an organism. Rajah 19 menunjukkan sistem peredaran pada organisma.
Which organism is represented by the circulatory system above?Organisma manakah diwakili oleh sistem peredaran di atas?
A. RatTikus
B. Fish Ikan
C. Cockroach
Lipas
D. Crocodile Buaya
Diagram 19 Rajah 19
Pulmonary circulationPeredaran pulmonari
Systemic circulationPeredaran sistemik
LungsPeparu
Body cellsSel-sel badan
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SULIT 29
34. Which of the following is the humans second line of body defence? Antara berikut, yang manakah merupakan barisan kedua pertahanan badanmanusia?
A. Mucus secretion
Rembesan mukus
B. Blood clottingPembekuan darah
C. PhagocytosisFagositosis
D. ImmunityKeimunan
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SULIT 30
35. Diagram 20 shows part of the blood circulatory system and the lymphatic system inhumans.
Rajah 20 menunjukkan sebahagian sistem peredaran darah dan sistem limfa dalammanusia.
Which of the following is true if structure X is infected by bacteria? Antara berikut, yang manakah benar jika struktur X dijangkiti oleh bakteria?
A Structure X will produce antiserum to destroy the bacteriaStruktur X akan menghasilkan antiserum untuk memusnahkan bakteria
B Fluid from structure X will diffuse out into the intercellular spaces Bendalir dari struktur X akan meresap keluar ke ruang antara sel
C Lymphocytes in structure X will produce antibodies to destroy the bacteria Limfosit dalam struktur X akan menghasilkan antibodi untuk memusnahkanbakteria
D More water will diffuse into the lymph capillary and move to structure X todetoxify the bacteria
Lebih banyak air akan meresap masuk ke kapilari limfa dan bergerak kestruktur X untuk menyahtoksik bakteria
Diagram 20 Rajah 20
X
Interstitial fluid Bendalir antara sel
Lymph capillaryKapilari limfa
Lymph vesselSalur limfa
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SULIT 31
36. Which of the following graphs show artificial passive immunity? Graf manakah menunjukkan keimunan pasif buatan?
A B
C D
Concentration of antibodyKepekatan antibodi
Concentration of antibodyKepekatan antibodi
Concentration of antibodyKepekatan antibodi
Concentration of antibodyKepekatan antibodi
Time Masa
Time
Masa
Time Masa
Time Masa
Imunity level Aras keimunan
Imunity level Aras keimunan
Imunity level Aras keimunan
Imunity level Aras keimunan
First injectionSuntikan pertama
First injection
Suntikan pertama First injectionSuntikan pertama
Second injectionSuntikan kedua
Second injectionSuntikan kedua
First injectionSuntikan pertama
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SULIT 32
37. Diagram 21 shows the cross section of a plant stem. Rajah 21 menunjukkan keratan rentas batang tumbuhan.
What is the function of X? Apakah fungsi X?
I. Provide support to plants Memberikan sokongan kepada tumbuhan
II. Transport the products of photosynthesis Mengangkut hasil fotosintesis
III Transport water and mineral salts Mengangkut air dan garam mineral
IV Involved in secondary growthTerlibat dalam pertumbuhan sekunder
A. I and II I dan II
B. II and IV II dan IV
C . I, III and IV I, III dan IV
D. II, III and IV II, III dan IV
Diagram 21 Rajah 21
X
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SULIT 33
38. Which of the following are parts of the axial skeleton? Antara berikut, yang manakah merupakan rangka paksi?
A B.
C D.
39. Diagram 22 shows the cross section of part of the spinal cord. Rajah 22 menunjukkan keratan rentas sebahagian saraf tunjang.
What is X ? Apakah X?
A Dorsal root ganglionGanglion akar dorsal
B Ventral root ganglionGanglion akar ventral
C White matter Jirim putih
D Grey matter
Jirim kelabu
X
Diagram 22 Rajah 22
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SULIT 34
40. The following information is the effect of hormone deficiency in humans. Maklumat berikut adalah kesan kekurangan hormon pada manusia.
What is the hormone? Apakah hormon itu?
A Insulin Insulin
B ThyroxineTiroksin
C Growth hormone Hormon pertumbuhan
D Antidiuretic hormone Hormon antidiuresis
41. Table 2 shows the estimated quantity of substances in the glomerular filtrate and urine. Jadual 2 menunjukkan anggaran kuantiti bahan dalam hasil turasan glomerulus danair kencing.
Substance Bahan
Estimated quantity Anggaran kuantiti
Glomerular filtrate/gTurasan glomerulus/g
Urine/g Air kencing/g
Water Air 180 x 10
3 1.5 x 10 3
ProteinProtein 0.0 0.0
GlucoseGlukosa 187.0 0.0
Calculate the percentage of water reabsorbed in the kidney tubule. Hitung peratus air yang diserap semula di tubul ginjal.
A 0.0%
B 0.8%
C 99.2%
D 100.0%
Cretinism in childhoodKretinisma pada kanak-kanak
Goitre in adulthood Beguk pada orang dewasa
Table 2 / Jadual 2
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SULIT 35
42. Diagram 23 shows the effect of different concentrations of auxin on the growthresponses of the shoot and root.
Rajah 23 menunjukkan kesan kepekatan auksin yang berbeza ke atas rangsangan pertumbuhan pucuk dan akar.
Which of the following statements explain the graph? Antara berikut, pernyataan manakah yang benar tentang graf tersebut?
A High concentration of auxin stimulates the growth of the rootKepekatan auksin yang tinggi merangsang pertumbuhan akar
B Low concentration of auxin stimulates the growth of the shootKepekatan auksin yang rendah merangsang pertumbuhan pucuk
C High concentration of auxin inhibits the growth of the shootKepekatan auksin yang tinggi merencat pertumbuhan pucuk
D High concentration of auxin inhibits the growth of the rootKepekatan auksin yang tinggi merencat pertumbuhan akar
Diagram 23 Rajah 23
100
200
-100
0
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SULIT 36
43. Diagram 24 shows the formation of sperms in humans. Rajah 24 menunjukkan pembentukan sperma pada manusia.
Diagram 24 Rajah 24
Which of the following is true about cells J, K, L and M? Antara berikut manakah benar tentang sel J, K, L dan M?
A. The chromosome number in cell J is 23 Bilangan kromosom sel J ialah 23
B. Cell K is produced through mitosisSel K terhasil melalui proses mitosis
C.
Cells L and M are identicalSel L dan M adalah seiras
D. Cell L is diploidSel L adalah diploid
Primordium germ cellSel germa primordia
J
K
L M
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SULIT 37
44. Diagram 25 shows the relationship between the development of the follicle in theovary and the level of hormones W, X, Y and Z.
Rajah 25 menunjukkan hubungan antara perkembangan folikel dalam ovari denganaras hormon W, X, Y dan Z.
What are hormones W, X, Y and Z? Apakah hormon W, X, Y dan Z?
W X Y Z
A LuteinisingHormone Hormon
Peluteinan
Oestrogen Estrogen
Follicle StimulatingHormone Hormon
Perangsang Folikel
ProgesteroneProgesteron
B LuteinisingHormone
HormonPeluteinan
ProgesteroneProgesteron
Oestrogen Estrogen
Follicle StimulatingHormone
HormonPerangsang Folikel C Progesterone
ProgesteronFollicle Stimulating
Hormone Hormon
Perangsang Folikel
LuteinisingHormone
Hormon Peluteinan
Oestrogen Estrogen
D Follicle StimulatingHormone Hormon
Perangsang Folikel
LuteinisingHormone Hormon
Peluteinan
Oestrogen Estrogen
ProgesteroneProgesteron
Diagram 25 Rajah 25
Hormone
concentrationKepekatanhormon
Z
Y
W
X
0 14 28 Days Hari
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SULIT 38
45. Which sequence is correct about the development of the human embryo?Urutan manakah benar tentang pekembangan embrio manusia?
A Menstruation Ovulation Fertilisation Implantation Haid Ovulasi Persenyawaan Penempelan
B Menstruation Fertilisation Ovulation Implantation Haid Persenyawaan Ovulasi Penempelan
C Fertilisation Menstruation Ovulation Implantation Persenyawaan Haid Ovulasi Penempelan
D Fertilisation Ovulation Implantation Menstruation Persenyawaan Ovulasi Penempelan Haid
46. Diagram 26 shows cells J, K and L which are found in the same root tip. Rajah 26 menunjukkan sel-sel J,K dan L yang ditemui pada hujung akar yang sama.
Which cells are found in zones P, Q and R?Sel manakah yang akan ditemui di zon-zon P, Q dan R?
Zone P / Zon P Zone Q / Zon Q Zone R / Zon R
A Cell J / Sel J Cell L / Sel L Cell K / Sel K
B Cell K / Sel K Cell J / Sel J Cell L / Sel L
C Cell L / Sel L Cell K / Sel K Cell J / Sel J
DCell L / Sel L Cell J / Sel J Cell K / Sel K
Diagram 26 Rajah 26
P
Q
R J K L
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SULIT 39
47. Diagram 27 shows the longitudinal section of a flowering plants ovary. Rajah 27 menunjukkan keratan memanjang ovari tumbuhan berbunga.
Which labelled part A, B, C and D will develop to become the seed coat? Antara bahagian berlabel A, B, C dan D yang manakah akan berkembang menjadikulit biji?
48. Diagram 28 shows a nucleotide molecule of DNA. Rajah 28 menunjukkan satu molekul nukleotida dalam DNA.
What are P,Q and R? Apakah P , Q dan R?
P Q R
A Pentose sugarGula pentosa
Nitrogenous base Bes bernitrogen
Phosphate groupKumpulan fosfat
B Phosphate groupKumpulan fosfat
Pentose sugarGula pentosa
Nitrogenous base Bes bernitrogen
C Nitrogenous base Bes bernitrogen
Phosphate groupKumpulan fosfat
Pentose sugarGula pentosa
D Pentose sugarGula pentosa
Phosphate groupKumpulan fosfat
Nitrogenous base Bes bernitrogen
P
Q R
Diagram 28 Rajah 28
Diagram 27
Rajah 27
A
B
C
D
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SULIT 40
49. Diagram 29 shows the inheritance of dimples in humans. Rajah 29 menunjukkan pewarisan trait berlesung pipit pada manusia.
Dimple is a dominant trait and is represented by H while non dimpled is a recessivetrait and is represented by h .
Berlesung pipit adalah dominan dan diwakili H manakala tanpa berlesung pipit diwakili oleh h.
Which of the following genotypes represents individual X and Y? Antara berikut, yang manakah genotip-genotip individu X dan Y?
Individual X Individu X
Individual Y Individu Y
A
B
C
D
Diagram 29 Rajah 29
Generation IGenerasi I
Generation IIGenerasi II
Generation IIIGenerasi III
Key / Kekunci :Non dimpled male Dimpled male
Lelaki tanpa lesung pipit Lelaki berlesung pipit
Non dimpled female Dimpled femalePerempuan tanpa lesung pipit Perempuan berlesung pipit
Individual X Individu X
Individual Y Individu Y
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SULIT 4551/2
4551/2 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA SULIT
NAMA
KELAS
NO. MAKTAB
MAKTAB RENDAH SAINS MARA
PEPERIKSAAN PERCUBAANSIJIL PELAJARAN MALAYSIA 2010
BIOLOGYPaper 2
Two hours and thirty minutes
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
Kertas soalan ini mengandungi 32 halaman bercetak dan 2 halaman tidak bercetak
Untuk Kegunaan PemeriksaKod Pemeriksa :Bahagian Soalan Markah
PenuhMarkahDiperoleh
A
1 122 123 124 125 12
B
6 207 208 209 20
Jumlah
1. Tulis nombor kad pengenalan dannombor maktab anda pada ruangan yang disediakan.
2. Kertas soalan ini adalah dalamdwibahasa.
3. Soalan dalam bahasa Inggerismendahului soalan yang sepadandalam bahasa Melayu.
4. Calon dibenarkan menjawabkeseluruhan atau sebahagian soalansama ada dalam bahasa Inggerisatau bahasa Melayu.
5. Calon dikehendaki membacamaklumat di halaman belakangkertas soalan ini.
4551/2BIOLOGIKertas 2September2 Jam
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INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON
1. This question paper consists of two questions Section A and Section B. Kertas soalan ini mengandungi dua soalan Bahagian A dan Bahagian B.
2. Answer all questions in Section A . Write your answers for Section A in the spacesprovided in this question paper. Jawab semua soalan dalam Bahagian A . Jawapan anda bagi Bahagian A hendaklahditulis dalam ruang yang disediakan dalam kertas soalan ini.
3. Answer any two questions from Section B . Write your answers for Section B on theanswer paper provided. You may use equations, diagrams, tables, graphs and othersuitable methods to explain your answers.Tulis jawapan anda bagi Bahagian B dalam helaian jawapan yang dibekalkan. Andaboleh menggunakan persamaan, rajah, jadual, graf dan cara lain yang sesuai untuk menjelaskan jawapan anda.
4. The diagrams in the question are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
5. The marks allocated for each question and sub-section of a question is shown inbrackets.
Markah yang diperuntukkan bagi setiap soalan dan ceraian soalan ditunjukkandalam kurungan.
6. If you wish to change your answer, cross out the answer that you have done. Thenwrite down the new answer.Sekiranya anda hendak menukarkan jawapan, batalkan jawapan yang telah dibuat.
Kemudian tuliskan jawapan yang baru.
7. You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.
8. You are advised to spend 90 minutes to answer Section A and 60 minutes forSection B .
Anda dinasihati supaya mengambil masa 90 minit untuk menjawab Bahagian A dan60 minit untuk Bahagian B .
9. Tie the helaian tambahan together with this question paper and hand in to theinvigilator at the end of the examination. Ikat helaian tambahan bersama-sama kertas soalan ini dan serahkan kepada
pengawas peperiksaan pada akhir peperiksaan.
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SULIT
An Jawab
1. Diagram 1.1 shows the v Rajah 1 menunjukkan pel
(a) By using the inforbelow.
Dengan menggunabawah.
Name of p Nama stru
Alpha heliSekunder bBeta-pleateSekunder bTertiary
Tertiar QuarternarKuarterna
P
2
Section A Bahagian A
[60 marks][60 markah ]
wer all questions in this section semua soalan dalam bahagian ini
arious structures of protein.bagai struktur protein.
Diagram 1.1 Rajah 1.1
ation above, write down the correct alphabe
an maklumat di atas, tulis huruf yang betul pa
otein structure tur protein
Alphabet Huruf
secondaryerpilin alfad secondaryerlipat beta
i
Table 1 Jadual 1
Q R
ts in Table 1
a Jadual 1 di
[ 4 marks ][ 4 markah ]
S
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(b) Match the protein to its correct structure by connecting the dots in Diagram 1.2.Padankan protein kepada strukturnya yang betul dengan menghubungkan titik-titik pada Rajah 1.2.
Protein
Protein
Protein structure
Struktur proteinHaemoglobin Hemoglobin
Alpha helix secondarySekunder berpilin alfa
Silk Sutera
Beta-pleated secondarySekunder berlipat beta
Amylase Amilase
TertiaryTertiar
KeratinKeratin
QuarternaryKuarternari
Diagram 1.2 Rajah 1.2[ 4 marks ]
[ 4 markah ]
(c) In the early days, cheese was produced by putting milk into a pouch made fromthe camels stomach.Explain how the enzymes in the stomach cause the milk to become cheese.Pada masa dahulu, keju dihasilkan dengan mengisi susu ke dalam kantung yangdiperbuat daripada perut unta.Terangkan bagaimana enzim yang masih terdapat dalam kantung tersebut boleh
menyebabkan susu menjadi keju.
[ 2 marks ]
[ 2 markah ]
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SULIT 4
Diagram 1.3 Rajah 1.3
(d) Diagram 1.3 shows two different types of food. Explain the difference in termsof classes of protein between the two types of food.
Rajah 1.3 menunjukkan dua jenis makanan yang berbeza. Terangkan perbezaan
dari segi pengelasan protein antara kedua-dua jenis makanan tersebut.
[ 2 marks ]
[ 2 markah ]
Chicken meat Daging ayam
French beansKacang buncis
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2. Diagram 2.1 represents three organisms, S, Q and R, that live in a paddy field. Rajah 2.1 menunjukkan tiga organisma S, Q and R, yang terdapat di sawah padi
Diagram 2.1 Rajah 2.1
(a) Based on Diagram 2.1 Berdasarkan kepada Rajah 2.1(i) State the number of each organism in the paddy field into Table 2.
Nyatakan bilangan setiap organisma di sawah padi di dalam Jadual 2.
OrganismOrganisma
Number Bilangan
S
Q
RTable 2
Jadual 2 [2 marks ]
[2 markah ]
(ii) Write the organism for the trophic levels indicated below.Tuliskan organisma untuk setiap aras trof yang di nyatakan di bawah.
Producer / Pengeluar :
Primary consumer / Pengguna primer :
Secondary consumer / Pengguna sekunder :
[ 3 marks ][ 3 markah ]
R R R R R R R R R R R R R R R R R R R R
R R R R R R R R R R R R R R R R R R S S
R R R R S S S S S R R R R R R Q Q R R Q
R R R R R R R R R S S S S S S S S S S Q R
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(b) Diagram 2.2 shows the energy flow from one trophic level to the next. Rajah 2.2 menunjukkan aliran tenaga dari satu aras trof ke aras trof berikutnya.
Diagram 2.2 Rajah 2.2
Based on Diagram 2.2 Berdasarkan kepada Rajah 2.2
(i) State how the energy is lost to the surroundings. Nyatakan bagaimana cara tenaga boleh hilang ke persekitaran.
..[ 1 mark ]
[1 markah ]
(ii) The grass contains 2900 kJ energy.Calculate the total energy received by the cow.
Rumput mengandungi 2900 kJ tenaga.Kira jumlah tenaga yang diterima oleh lembu.
[ 1 mark ][1 markah ]
Grass Rumput
Cow Lembu
90% energy lost to surroundings90% tenaga hilang ke persekitaran
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(iii) The cow uses 280 kJ energy received from the grass for its growth.Calculate the percentage of energy used by the cow to grow.
Lembu menggunakan 280 kJ tenaga yang diterima daripada rumput untuk pertumbuhannya.Kira peratus tenaga yang digunakan oleh lembu untuk membesar.
[ 2 marks ][ 2 markah ]
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SULIT 8
(c) Diagram 2.3 shows a pond. Rajah 2.3 menunjukkan sebuah kolam.
Diagram 2.3 Rajah 2.3
(i) Based on Diagram 2.3 above, construct a food chain that consists of threetrophic levels.
Berdasarkan Rajah 2.3 di atas, bina satu rantai makanan yang terdiri daripadatiga aras trof.
[ 2 marks ][ 2 markah ]
(ii) Construct an energy pyramid for the food chain in (c) (i) above. Bina satu piramid tenaga untuk rantai makanan pada (c) (i) di atas.
[ 2 marks ][ 2 markah ]
Fish/ Ikan
Tadpole/ Berudu
Prawn/ Udang
Bird/ Burung
Hydrilla sp / Hidrilla sp
Lemna sp/ Lemna sp
Larva / Larva
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SULIT 9
3. Diagram 3.1 shows the longitudinal section of a plant shoot tip. Rajah 3.1 menunjukkan keratan memanjang hujung pucuk tumbuhan.
Diagram 3.1 Rajah 3.1
(a) (i) In the boxes provided, name the growth zones and give their respectivefunctions.
Di dalam kotak yang disediakan, namakan setiap zon pertumbuhan dannyatakan fungsinya.
Zone Zon
Name Nama
Function Fungsi
A
B
C
[ 6 marks ][ 6 markah ]
Zone A / Zon A
Apical meristem Meristem apeks
Zone B / Zon B
Zone C / Zon C
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(b) In the spaces below, draw the structure of a cell from Zone A and Zone B. Di dalam ruang yang disediakan, lukiskan struktur satu sel yang berada di Zon A dan Zon B.
Zone A Zon A
Zone B Zon B
[4 marks ][4 markah ]
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SULIT 11
(c) Diagram 3.2(i) shows a normal pumpkin X after 3 months of growth.Diagram 3.2(ii) shows a transgenic pumpkin Y which is the product of geneticengineering after 2 months of growth.
Rajah 3.2 (i) menunjukkan labu normal selepas 3 bulan pertumbuhan. Rajah 3.2(ii) menunjukkan labu transgenik yang merupakan hasil daripada
kejuruteraan genetik selepas 2 bulan pertumbuhan.
Pumpkin X Pumpkin Y Labu X Labu Y
Diagram 3.2(i) Diagram 3.2(ii) Rajah 3.2(i) Rajah 3.2(ii)
Based on the information above and Diagram 3.2(ii), explain the main principleof genetic engineering to produce pumpkin Y.
Berdasarkan kepada penerangan di atas dan Rajah 3.2(ii), terangkan prinsiputama kejuruteraan genetik untuk menghasilkan labu Y.
[2 marks ][2 markah]
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SULIT 12
4. Diagrams 4.1 and 4.2 shows two problematic situations in the environment. Rajah 4.1 dan 4.2 menunjukkan dua situasi bermasalah dalam persekitaran.
Diagram 4.1 / Rajah 4.1
Diagram 4.2 / Rajah 4.2
(a) (i) Name the situations shown in the diagrams above. Namakan situasi yang ditunjukkan dalam rajah di atas.
Diagram 4.1 / Rajah 4.1 :..
Diagram 4.2 / Rajah 4.2 :...
[2 marks ][2 markah ]
(ii) What phenomenon can cause both the situations above? Apakah fenomena yang boleh menyebabkan kedua-dua situasi di atas?
[ 1 mark ]
[ 1 markah ]
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(iii) Explain one human activity on the environment that can lead to thesituation in (a)(ii).Terangkan satu aktiviti manusia yang menyumbang kepada situasi di(a)(ii).
[ 4 marks ][ 4 markah ]
( b) Explain the above statement.Terangkan pernyataan di atas.
......
...
...
...
[3 marks ][3 markah ]
(c) If the situation in Diagram 4.2 continues for a long time, explain the effect tothe soil.
Jika situasi dalam Rajah 4.2 berterusan untuk jangka masa yang panjang,
terangkan kesannya kepada tanah.
....
....
[2 marks ][2 markah ]
The situation in Diagram 4.1 may cause the spread of diseases
Situasi di Rajah 4.1 boleh menyebabkan penyebaran penyakit
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(b) In the Punnet square in Table 3 below fill in Dalam segiempat Punnet pada Jadual 3 di bawah isikan(i) the male and female gametes in the designated boxes.
gamet jantan dan gamet betina dalam kotak yang disediakan[2 marks ]
[2 markah ] (ii) the genotype of the offsprings produced through random fertilization
between the male and female gametesgenotip anak yang terhasil daripada persenyawaan rawak antara gamet
jantan dan gamet betina[1 mark ]
[1 markah ]
Table 3 Jadual 3
(c) The numbers in Table 4 refer to the number of progeny for each phenotype. Matchthe number to the phenotype of progeny produced.
Angka yang terdapat di dalam Jadual 4 merujuk kepada bilangan progeni bagisetiap fenotip. Padankan nombor tersebut dengan fenotip progeni yang terhasil.
Number of progeny Bilangan progeni
893 309 289 111
PhenotypeFenotip
Table 4 / Jadual 4
[1 mark ][1 markah ]
Male gameteGamet jantan
Female gameteGamet betina
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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 (a) Diagram 6.1 show gaseous exchange between an alveolus and body cells. Rajah 6.1 menunjukkan pertukaran gas antara alveolus dan sel-sel badan.
Diagram 6.1 Rajah 6.1
Explain how :Terangkan bagaimana:
(i) gas P in the alveolus reaches the blood capillary.gas P di dalam alveolus sampai ke kapilari darah.
(ii) gas Q from the body cells go into the blood capillary.gas Q dari sel-sel badan sampai ke kapilari darah.
[4 marks ][4 markah ]
Alveolus Alveolus
Body cellSel badan
Gas P
Gas Q
Blood capillaryKapilari darah
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SULIT 18
(b) Diagram 6.2 shows the human respiratory system and Diagram 6.3 shows thefrog respiratory system.
Rajah 6.2 menunjukkan sistem respirasi manusia dan Rajah 6.3 menunjukkansistem respirasi katak.
(i) Based on Diagram 6.2 and 6.3 state the similarities of both respiratorystructures.
Berdasarkan Rajah 6.2 dan 6.3 nyatakan persamaan kedua-duastruktur respirasi tersebut.
[5 marks ][5 markah ]
(ii) Based on Diagram 6.2 and 6.3 state the differences between bothrespiratory structures.
Berdasarkan Rajah 6.2 dan 6.3 nyatakan perbezaan antara kedua-duastruktur respirasi tersebut.
[5 marks ][5 markah ]
Diagram 6.2 Rajah 6.2
Nostril Nostril
GlottisGlotis
LungsParu-paru
Diagram 6.3 Rajah 6.3
Nasal Cavity Rongga Nasal
Oral Cavity Rongga Mulut
TracheaTrakea
Bronchioles Bronkiol
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SULIT 19
(c) Diagram 6.4 shows an experiment to investigate the effects of smoking to thelungs.
Rajah 6.4 menunjukkan eksperimen bagi menyiasat kesan-kesan merokok kepada peparu.
Diagram 6.4 Rajah 6. 4
The results of the experiment is shown in Table 6.4 below.Keputusan experimen ditunjukkan di dalam Jadual 6.4 di bawah.
Colour of cotton
woolWarna kapas
Colour of bicarbonate indicator
Warna penunjuk bikarbonat
Temperature ( oC)Suhu (oC)
Beginning of theexperimentPermulaaneksperimen
WhitePutih
Red Merah 28
End of theexperiment Di akhir
eksperimen
BrownPerang
YellowKuning 40
Table 6.4 / Jadual 6.4
Explain the effects of smoking on the respiratory system based on the results of theexperiment in Table 6.4Terangkan kesan merokok terhadap sistem respirasi berdasarkan keputusaneksperimen tersebut pada Jadual 6.4
[6 marks ][6 markah ]
To filter pumpKe pam penapis
Bicarbonate indicatorPenunjuk bikarbonat
ThermometerTermometer
Glowing cigarette Rokok yang terbakar
U tubeTiub U
Moist cottonKapas lembab
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(b) Diagram 7.2 shows a group of plants which are genetically identical. Rajah 7.2 menunjukkan sekelompok tumbuhan yang mempunyai kandungangenetik yang sama.
Diagram 7.2 Rajah 7.2
(i) Based on Diagram 7.2, describe the technique to produce these plants. Berdasarkan Rajah 7.2, terangkan teknik bagi menghasilkan tumbuhanini.
[6 marks ][6 markah ]
(ii) Describe the advantages and disadvantages of the technique in (b) (i).Terangkan kebaikan dan keburukan teknik di (b) (i).
[4 marks ][4 markah ]
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8 ( a) Diagram 8.1 shows a nerve pathway involved in the knee-jerk reflex action. Rajah 8.1 menunjukkan lintasan saraf yang terlibat dalam arka reflekssentakan lutut.
Diagram 8.1 Rajah 8.1
Based on Diagram 8.1 Berdasarkan Rajah 8.1
(i) Explain the meaning of the knee-jerk reflex action.Terangkan maksud arka sentakan lutut.
[4 marks ][4 markah ]
(ii) Describe the pathway of the nerve impulse that causes the knee-jerk action. Huraikan tentang lintasan saraf yang menyebabkan sentakan lutut.
[6 marks ][6 markah ]
Quadricept muscleOtot kuadrisep
Spinal cordSaraf tunjang
TendonTendon
Reflex hammerPenukul refleks
Stretch receptor Reseptor regang
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(b) Diagram 8.2 shows the structure of a nephron and its collecting duct.Table 8.1 shows the concentration of solutes in the blood plasma in theglomerulus, the glomerular filtrate and urine.
Rajah 8.2 menunjukkan struktur di dalam nefron dan salur pengumpul. Jadual 8.1 menunjukkan kepekatan bahan larut di dalam plasma darah dalam
glomerulus, turasan glomerular dan air kencing.
- Process X happens between the glomerulus and the Bowmans capsule.Proses X berlaku di antara glomerulus dan kapsul Bowman.
- Process Y happens between the proximal convoluted tubule and the bloodcapillaries.Proses Y berlaku di antara tubul berlingkar proksimal dan kapilari darah.
- Process Z happens between the distal convoluted tubule and the bloodcapillaries.Proses Z berlaku di antara tubul berlingkar distal dan kapilari darah.
Diagram 8.2 Ra ah 8.2
Urine Air kencing
Glomerulus
Glomerulus
Glomerular filtrateTurasan glomerular
Process XProses X
Process YProses Y
Process ZProses Z
Collecting ductSalur pengumpul
Afferent arteriole Arteriol aferen
Efferent arteriole Arteriol eferen
To renal veinKe vena renal
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Solute Bahan larut
Concentration of solutes ( g/dm 3 ) Kepekatan bahan ( g/dm 3 )
Blood plasma inglomerulus
Plasma darah dalam
glomerulus
Glomerular filtrateTurasan glomerulus
Urine Air kencing
Protein/ Protin
80.0 0.0 0.0
Sodium ion, Na + Ion natrium, Na +
3.2 3.2 1.6
Amino acids Asid amino
1.5 1.5 0.0
GlucoseGlukosa
1.0 1.0 0.0
Urea
Urea0.3 0.3 20.0
Table 8.1 Jadual 8.1
Based on Diagram 8.2 and Table 8.1, explain why the concentration of solutes in theblood plasma of the glomerulus, glomerular filtrate and urine are different by applyingprocesses X, Y and Z.
Berdasarkan Rajah 8.2 dan Jadual 8.1, terangkan mengapa kepekatan bahan larut dalam plasma darah dalam glomerulus, turasan glomerulus dan air kencing berbeza
dengan mengaplikasi proses X, Y dan Z.
[10 marks ][10 markah ]
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SULIT 25
9 (a) Diagram 9.1 shows the development of the human zygote. Rajah 9.1 menunjukkan perkembangan zigot manusia.
Diagram 9.1 Rajah 9.1
(i) Name the processes that occurs at P and R. Namakan proses-proses yang terlibat pada P dan R.
[2 marks ][2 markah ]
(ii) Instead of attaching onto the endometrium in the uterus, the embryoattaches at Q. Explain the problem that may arise. Embrio gagal menempel di endometrium dalam uterus sebaliknya iamenempel pada bahagian Q. Terangkan masalah yang mungkin timbul.
[4 marks ][4 markah ]
(b) When a women is pregnant, the foetus forms its own blood circulatory system.
Explain the advantages of the foetus and mother having separate circulatorysystems. Apabila seorang wanita itu hamil, fetusnya membentuk sistem peredarandarah tersendiri. Terangkan kebaikan apabila sistem peredaran darah fetusdan ibu adalah berasingan.
[4 marks ][4 markah ]
Q
P
R
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(c) Mrs. A was married to Mr. B for 8 years but they did not have any children.Diagram 9.3 shows the method which may help the couple to have their ownchild.Pn A telah berkahwin dengan En B sejak 8 tahun yang lalu tetapi masih belummempunyai anak. Rajah 9.3 menunjukkan satu kaedah yang mungkin dapat
membantu pasangan itu untuk mendapat anak sendiri.
Diagram 9.3 Rajah 9.3
(i) Based on Diagram 9.3, explain method P that can be used by thecouple.
Berdasarkan Rajah 9.3, terangkan kaedah P yang boleh digunakanoleh pasangan tersebut.
[5 marks ][5 markah ]
(ii) State the role of Madam X in method Q.Explain the issue that may arise if method Q is used.
Nyatakan peranan Puan X dalam kaedah Q.Terangkan isu yang mungkin timbul jika kaedah Q digunakan.
[5 marks ][5 markah ]
Mr B Encik B
Mrs APuan A
Culture solution Larutan kultur
Zygote Zigot
Method P
Kaedah P
Method QKaedah Q
Uterus of Madam XUterus Puan X
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SPACE FOR ANSWERS
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SPACE FOR ANSWERS
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SPACE FOR ANSWERS
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SPACE FOR ANSWERS
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SULIT 4551/3
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA SULIT
INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON
1. This question paper consists of two questions : Question 1 and Question 2 .Kertas soalan ini mengandungi dua soalan : Soalan 1 dan Soalan 2 .
2. Answer all questions. Write your answers in the spaces provided in this questionpaper. Jawab semua soalan. Jawapan anda hendaklah ditulis dalam ruang yang disediakandalam kertas soalan ini.
3. Write your answers for Question 2 on the answer sheets provided. You may useequations, diagrams, tables, graphs and other suitable methods to explain youranswers.Tulis jawapan anda bagi Soalan 2 dalam kertas jawapan yang dibekalkan. Andaboleh 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 question are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
6. The marks allocated for each question and sub-section of a question is shown inbrackets.
Markah yang diperuntukkan bagi setiap soalan dan ceraian soalan ditunjukkandalam kurungan.
7. If you wish to change your answer, cross out the answer that you have done. Thenwrite down the new answer.Sekiranya anda hendak menukarkan jawapan, batalkan jawapan yang telah dibuat.
Kemudian tuliskan 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 forQuestion 2 .
Anda dinasihati supaya mengambil masa 45 untuk menjawab Soalan 1 dan 45 minit untuk Soalan 2 .
10. Tie the helaian tambahan together with this question paper and hand in to theinvigilator at the end of the examination.
Ikat helaian tambahan bersama-sama kertas soalan ini dan serahkan kepada pengawas peperiksaan pada akhir peperiksaan.
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SULIT 2
SULIT [ Lihat Sebelah]
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA
1. An experiment is carried out to study the inheritance of fur colour in cats. Theexperiment includes two stages. In the first stage they crossed a pure bred male black cat with a pure bred female white cat. The first generation offsprings (F1) obtainedwere all black.In the second stage of the experiment they, self-crossed a male and female black catfrom the first generation and obtained the second generation offsprings (F2).Table 1 shows the results of the experiment.Satu eksperimen telah dijalankan untuk mengkaji pewarisan warna bulu kucing.Kajian terdiri daripada dua peringkat. Dalam peringkat pertama, merekamengkacukkan kucing jantan berbulu hitam dengan kucing betina berbulu putih,masing-masingnya adalah berbaka tulen. Generasi pertama (F1) yang terhasiladalah kesemuanya berbulu hitam.
Dalam peringkat kedua, mereka menjalankan kacukan sesama sendiri antara kucing jantan dan betina daripada generasi pertama (F1), menghasilkan generasi kedua(F2). Jadual 1 menunjukkan keputusan eksperimen tersebut.
Stage Peringkat
Parental fur colourWarna bulu induk
Offspring fur colourWarna bulu anak
Number of
offspring withblack fur
Bilangan anak berbulu hitam
Number of
offspring withwhite fur
Bilangan anak berbulu putih
1 x
........
2
x
Key/ Kekunci:
Black fur Bulu hitam
White fur Bulu putih
Table 1 Jadual 1
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SULIT 3
SULIT [ Lihat Sebelah]
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA
(a) Record the number of black cats and white cats in the spaces provided in Table 1. Rekodkan bilangan kucing hitam dan kucing putih dalam ruang yang disediakandalam Jadual 1.
[3 markah ][3 marks ]
(b) (i) Based on Table 1 state any two observations that can be seen from theexperiment.
Berdasarkan Jadual 1, nyatakan dua pemerhatian yang boleh dibuat daripadaeksperimen ini.Observation 1/ Pemerhatian 1:
...
...
Observation 2/ Pemerhatian 2:
...
...
[3 markah ][3 marks ]
(ii) State the inference for each observation made in ( b) (i). Nyatakan inferens daripada setiap pemerhatian di (b) (i).
Inference from observation 1 / Inferens daripada pemerhatian 1:
......
...
Inference from observation 2 / Inferens daripada pemerhatian 2:
......
...
[3 markah ][3 marks ]
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SULIT 4
SULIT [ Lihat Sebelah]
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA
(c) Complete Table 2 based on this experiment. Lengkapkan Jadual 2 berdasarkan ekperimen ini.
Variable Pembolehubah
Method to handle the variableCara mengendali pembolehubah
Manipulated variablePembolehubah dimanipulasi
..
..
..
..
..
..
..
Responding variablePembolehubah bergerak balas
....
..
..
Constant variablePembolehubah dimalarkan
.
.
..
..
Table 2 Jadual 2
[3 markah ][3 marks ]
(d ) State the hypothesis for this experiment. Nyatakan hipotesis bagi eksperimen ini.
....
....
....
[3 markah ][3 marks ]
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SULIT 5
SULIT [ Lihat Sebelah]
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA
(e) (i) Construct a table and record all the data collected from both stages of thisexperiment.Your table should have the following titles:
Bina satu jadual dan rekodkan semua data yang dikumpul daripada kedua-dua peringkat dalam eksperimen ini.
Jadual anda hendaklah mengandungi tajuk-tajuk berikut:
- Parental fur colourWarna bulu induk
- Number of black furred offspring and white furred offspring Bilangan anak yang berbulu hitam dan yang berbulu putih
- Percentage of black furred offspring and white furred offspringPeratusan anak yang berbulu hitam dan yang berbulu putih
[3 markah ][3 marks ]
(ii) Using the data in 1 (e)(i), draw a bar chart to show the percentage of offspringwith black fur and the percentage of offspring with white fur in the secondcrossing. Menggunakan data di 1 (e)(i), lukis carta bar bagi menunjukkan peratusananak berbulu hitam dan peratusan anak berbulu putih dalam kacukan kedua.
[3 markah ][3 marks ]
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SULIT 6
SULIT [ Lihat Sebelah]
4551/3 2010 Hak Cipta Bahagian Pendidikan & Latihan (Menengah) MARA
(f) Based on the bar chart in 1 (e)(ii), explain the relationship between the parental furcolour and the number of black and white offsprings in the second stage of theexperiment.
Berdasarkan carta bar di 1 (e)(ii), terangkan hubungan antara warna bulu induk dengan bilangan anak berbulu hitam serta anak berbulu putih dalam peringkat keduaeksperimen tersebut.
......
.....
.....
.....
[3 markah ][3 marks ]
(g) Based on the result of this experiment, state the operational definition for inheritance. Berdasarkan keputusan eksperimen ini, nyatakan definisi operasi bagi pewarisan.
......
.....
.....
.....
[3 markah ][3 marks ]
(h) Based on Table 1, if cat C is crossed with cat H, predict the phenotype that can beobserved in the offspring. Explain your prediction.
Merujuk kepada Jadual 1, jika kucing C dikacukkan dengan kucing H, ramalkan fenotip yang boleh perhatikan pada anak kucing tersebut. Jelaskan ramalan anda.
......
.....
.....
.....
[3 markah ][3 marks ]
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SULIT 7
(i) Using the list provided below, classify the characteristics and the traits of a cat intoTable 3.
Length of tail, eye colour, long tail, fur colour , shape of tail,green eyes, bushy tail, grey fur.
Menggunakan senarai yang disediakan di bawah klasifikasikan ciri dan trait kucingke dalam Jadual 3.
Panjang ekor, warna mata, ekor panjang, warna bulu, bentuk ekor,mata hijau, ekor kembang, bulu kelabu.
Table 3 Jadual 3
[3 marks ][3 markah ]
Characteristics
Ciri
Traits
Trait
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