2012 percubaan pmr sains (Negeri Sembilan) -k2

7/31/2019 2012 percubaan pmr sains (Negeri Sembilan) -k2

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SULIT 55/255/2

Sains

Kertas 2

Ogos 2012

1 jam

[Lihat halaman sebelah

55/2 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan

SULIT

Kertas soalan ini mengandungi 26 halaman bercetak

JABATAN PELAJARAN NEGERI SEMBILAN DARUL KHUSUS

PRAPENILAIAN MENENGAH RENDAH

SELURUH NEGERI SEMBILAN DK 2012

Nama :

Kelas : 3

SAINS

Kertas 2

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI

SEHINGGA DIBERITAHU

Kod Pemeriksa

Bahagian SoalanMarkah

Penuh

Markah

Diperoleh

A

1 6

2 6

3 6

4 6

5 8

6 8

B7 8

8 12

Jumlah 60

1. Tuliskan nombor kad pengenalan dan

angka giliran anda pada ruang yang

disediakan.

2. Kertas soalan ini adalah dalam dwibahasa.

3. Soalan dalam bahasa Inggeris ditulis dalam

huruf tegak dan soalan dalam bahasa

Melayu ditulis dalam huruf condong..

4. Calon dibenarkan menjawab keseluruhan

atau sebahagian soalan sama ada dalam

bahasa Inggeris atau bahasa Melayu.

5. Calon dikehendaki membaca maklumat di

halaman 26.


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2

For SULIT 55/2Examiners

Use Section A

Bahagian A

[ 40 marks ]

[ 40markah ]

Answer all questions.

Jawab semuasoalan.

1 (a) Diagram 1 shows human excretory organs.

Rajah 1 menunjukkan organ perkumuhan manusia.

Diagram 1

Rajah 1

Name P, Q and R by using the words given in the box below.

Namakan P, Q dan R denganmenggunakan perkataan di dalam petak di bawah.

[ 3 marks[ 3markah

Kidney

Ginjal

Skin

Kulit

Lung

Paru-paru

55/2 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan SULIT

1 (a)

3

P

Q

R


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3

SULIT 55/2 For

(b) Draw lines to match parts of urinary systems and their functions.

Lukis garisan untuk memadankan bahagian-bahagian sistem urinari dan fungsinya.

[ 3 marks ]

[ 3markah ]

Examiners

Use

Lihat halaman sebelah


1 (b)

3

Total

A1

6

UreterUreter

Urinary bladderPundi kencing

UrethraUretra

Stores urine

Menyimpan air kencing

Channels urine from urinary

bladder out of the body

Menyalurkan air kencing dari

pundi kencing keluar dari badan

Channels urine from the kidneys tothe urinary bladder

Menyalurkan air kencing dari

ginjal ke pundi kencing


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4


Use2 Diagram 2.1 shows structure of human ear.

Rajah 2.1 menunjukkan struktur telinga manusia.

Diagram 2.1

Rajah 2.1(a) (i) Name the part labelled X.

Namakan bahagian berlabel X.

___________________________________________________________________

[ 1 mark

[ 1markah

(ii) Mark ( ) the function of X in the correct box.

Tandakan ( )fungsi X dalam petak yang betul.

Amplify sound vibrations

Menguatkan getaran bunyi

Vibrates when sound waves hit it

Bergetar apabila gelombang bunyi mengenainya

[ 1 mark

[ 1markah

(iii) State one effect if the part labelled X is damaged.

Nyatakan satu kesan jika bahagian berlabel X rosak.

_____________________________________________________________________

[ 1 mark

[ 1markah


2 (a)(i)

1

2 (a)(ii)

1

2 (a)(iii)

1

X


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5

SULIT 55/2 For

(b) Diagram 2.2 shows the apparatus set up to study the transmission of sound.

Rajah 2.2 menunjukkan susunan radas untuk mengkaji pemindahan bunyi.

Diagram 2.2

Rajah 2.2

(i) Name apparatus Q.

Namakan radas Q.

________________________________________________________________

[1mark ]

[1markah ]

(ii) Complete the observation in Table 2.1.

Lengkapkan pemerhatian dalamJadual2.1.

Situation/Situasi Observation/Pemerhatian

The switch for the electric bell is turned

on.

Suis loceng elektrik dihidupkan.

The sound of the bell can be

heard

Bunyi loceng boleh didengar

The switches for the electric bell and thevacuum pump are turned on.

Suis loceng elektrik dan pam vakum

dihidupkan.

[ 1 mark ]

[ 1 markah]

Examiners

Use



2 (b)(i)

1

2 (b)(ii)

1

Q

to vacuum pump

ke pam vakum

Bell jar

Serkup kacaBell

Loceng

Dry cell/Sel kering


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6


Use

(c) In Diagram 2.3 mark () the hearing aid device.

Dalam Rajah 2.3, tandakan () alat bantu pendengaran.

Diagram 2.3

Rajah 2.3

[ 1 mark[ 1markah


Total

A2

6

2 (c)

1


7/36

7

SULIT 55/2 For

3 Diagram 3.1 shows the mangrove ecosystem.

Rajah 3.1 menunjukkan ekosistem paya bakau.

Diagram 3.1

Rajah 3.1

Diagram 3.1

Rajah 3.1

(a) Based on Diagram 3.1, what kind of skeletal systems are found in land and aquatic

vertebrates?Berdasarkan Rajah 3.1, apakah jenis sistem rangka yang terdapat pada vertebrata

daratan dan akuatik?

____________________________________________________________________

[ 1 mark ]

[ 1markah ]

(b) (i) Plants can be classified into two groups. Mark () the group ofthe mangrove tree.

Tumbuhan boleh dikelaskan kepada dua kumpulan. Tandakan ()kumpulan bagi pokokbakau.

Flowering plants

Tumbuhan berbunga

Non-flowering plants

Tumbuhan tidak berbunga

[1mark ][1markah]

Examiners

Use



3 (b)(i)

1

3 (a)

1

Sea water level

Aras air laut


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8


Use(ii) Mangrove tree are supported by special structures. State one of the support system of the

tree.

Pokok bakau disokong oleh struktur khas. Nyatakan satu daripada sistem sokongan

pokok tersebut.

___________________________________________________________________

[1 mark

[1markah

(c) Based on Diagram 3.1, name two examples of animals supported by exoskeleton.

Berdasarkan Rajah 3.1, namakan dua contoh haiwan yang disokong oleh rangka luar.

___________________________________________________________________

[ 2 marks

[2markah

(d) Monkeys are vertebrates classified as mammals. Name one group of vertebrates that are notfound in Diagram 3.1

Monyet adalah vertebrata yang dikelaskan sebagai mamalia. Namakan satu kumpulan

vertebrata yang tidak terdapat di dalam Rajah 3.1.

_________________________________________________________________________

[1 mark

[1markah

55/2 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan

SULIT

3 (b)(ii)

1

3(c)

2

Total

A3

6

3(d)

1


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9

SULIT 55/2 For

4 Diagram 4.1 shows female reproductive system.

Rajah 4.1 menunjukkan sistem pembiakan perempuan.

Diagram 4.1

Rajah 4.1

(a)(i) In Diagram 4.1, name the process which occurs at X.

Dalam Rajah 4.1, namakan proses yang berlaku di X.

[1 mark]

[1markah ]

(ii) Draw arrows from X to the place where implantation occurs.Lukis anak panah dari X ke tempat di mana penempelan berlaku.

_____________________________________________________________________

[1 mark]

[1markah]

(iii) What happened to the ovum if process at X does not occur?

Apakah yang berlaku kepada ovum jika proses di X tidak berlaku?

_____________________________________________________________________

[ 1 mark ]

[ 1markah ]

Examiner

Use

Lihat halaman sebelah


4(a)(i)

1

4(a)(ii)

1

4(a)(iii)

1

X


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10


Use

(b) Diagram 4.2 shows the development of process X in Diagram 4.1 into a feotus.

Rajah 4.2 menunjukkan perkembangan proses X di dalam Rajah 4.1 kepada fetus.

Diagram 4.2

Rajah 4.2

(i) Complete the sequence of development in Diagram 4.2.

Lengkapkan urutan perkembangan di dalam Rajah 4.2.

[ 1 mark

[ 1 markah

(ii) State one of the causes of sterility in male.

Nyatakan satu daripada sebab-sebab kemandulan bagi lelaki.

___________________________________________________________________

[ 1 mark

[ 1 markah

(iii) Suggest one way to overcome sterility in male.

Cadangkan satu cara untuk mengatasi kemandulan bagi lelaki.

___________________________________________________________________

[ 1 mark

[ 1 markah


4(b)(ii)

1

4(b)(iii)

1

4(b)(i)

1

TOTAL

A4

6

Process X

Proses X

Foetus

Fetus


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11

SULIT 55/2 For

5 (a) Photosynthesis is a process that occurs in a green plants.

Fotosintesis adalah satu proses yang berlaku di dalam tumbuhan hijau.

Diagram 5.1

Rajah 5.1

(i) In Diagram 5.1, write one of the factor required for photosynthesis in the box.

Dalam Rajah 5.1, tuliskan satu faktor yang diperlukan untuk fotosintesis di dalam

kotak..

_____________________________________________________________________

[1 mark]

[ 1 markah ]

(ii) Gas Y is produced during photosynthesis. State one importance of the gas.

Gas Y dihasilkan semasa fotosintesis. Nyatakan satu kepentingan gas tersebut..

_____________________________________________________________________

[1 mark]

[ 1 markah ]

Examiners

Use



5(a)(i)

1

5(a)(ii)

1

LightCahaya

Gas Y

Gas Y

Gas X

Gas X


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12


Use(b) Two similar plants are placed in the dark for two days. Then the apparatus as shown in

Diagram 5.2 is prepared.

Dua pokok yang sama diletakkan di tempat gelap selama dua hari. Selepas itu, radas

seperti yang ditunjukkan di dalam Rajah 5.2 disediakan.

A B

Diagram 5.2Rajah 5.2

(i) What is the purpose of placing the plants in the dark?

Apakah tujuan meletakkan pokok-pokok tersebut di tempat gelap?

__________________________________________________________________

[ 1 mark

[1markah

(ii) Based on Diagram 5.2, state one function of sodium hydroxide solution.

Berdasarkan Rajah 5.2, nyatakan satu fungsi larutan natrium hidroksida.

__________________________________________________________________

[ 1 mark[1markah

(iii) A leaf is plucked from each plant and test for the presence of starch. Complete Table 5.

Sehelai daun dipetik dari kedua-dua pokok untuk menguji kehadiran kanji. Lengkapkan

Jadual 5.1.

Apparatus

Radas

Starch Test/Ujian kanji

ObservationPemerhatian

ExplainationPenerangan

A Dark Blue

Biru gelap

B No change

Tiada perubahan

[2 marks[2 markah


5(b)(ii)

1

5(b)(i)

1

5(b)(iii)

2

Bell jar

Serkup kaca

Sodium hydroxide solution

Larutan natrium hidroksida


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13

SULIT 55/2 For

(c) Diagram 5.3 shows carbon cycle.

Rajah 5.3 menunjukkan kitar karbon.

Diagram 5.3

Rajah 5.3

Based on Diagram 5.3, explain how carbon cycle maintained a balanced ecosystem.

Berdasarkan Rajah 5.3, terangkan bagaimana kitar karbon mengekalkan keseimbangan

ekosistem.

___________________________________________________________________

___________________________________________________________________

[2marks ]

[2markah ]

Examiners

Use



Total

A5

8

5(c)

2

Carbon dioxide in the atmosphereKarbon dioksida di atmosfera

Combustion

PembakaranCombustion

Pembakaran

Decomposers

Pengurai

Fossil fuels

Bahan api fossil

Fotosintesis

Dead organisms

Organisma mati


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14


Use

6 (a) Diagram 6.1 shows one situation after flash flood.

Rajah 6.1 menunjukkan satu situasi selepas banjir kilat.

Diagram 6.1Rajah 6.1

(i) Why some of the objects float and some of them sink?

Mengapa sebahagian objek terapung dan sebahagian lagi tenggelam?

__________________________________________________________________

[1mark ]

[1markah ]

(ii) Suggest one way to prevent flash flood.

Cadangkan satu cara untuk mengatasi banjir kilat.

__________________________________________________________________

[1mark ]

[1markah ]


6(a)(i)

1

6(a)(ii)

2


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15

SULIT 55/2 For

(b) Diagram 6.2 shows two situations. 4 tablespoons of salt are added into the water in

Situation B.

Rajah 6.2 menunjukkan duasituasi. 4sudu besar garam dimasukkan ke dalam air dalam

Situasi B.

Situation A/Situasi A Situation B/Situasi BDiagram 6.2Rajah 6.2

(i) Why is the egg in Situation A sink but floats in Situation B?

Mengapa telur di dalam Situasi A tenggelam tetapi timbul di dalam Situasi B?

________________________________________________________________ _____

[1mark ]

[1markah ]

(ii) Compare the density between cork and coin in Diagram 6.2.

Bandingkan ketumpatan di antara gabus dan syiling di dalam Rajah 6.2.

_____________________________________________________________________

[1mark ]

[1markah ]

Examiners

Use



6(b)(ii)

1

6(b)(i)

1

Egg

Telur

Cork

Gabus

Coin

Syiling


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Use (c) Diagram 6.3 shows an activity to determine the volume of marbles.

Rajah 6.3 menunjukkan satu aktiviti untuk menentukan isipadu guli.

Diagram 6.3

Rajah 6.3

(i) Name the method used in Diagram 6.3.

Namakan kaedah yang digunakan dalam Rajah 6.3.

________________________________________________________________ __

[1mark ]

[1markah ]

(ii) Based on Diagram 6.3, record the volume of the marbles.

Berdasarkan Rajah 6.3, rekodkan isipadu guli.

Volume/Isipadu = __________________________ cm3

[1mark ]

[1markah ]

(iii) Given the mass of one marble is 8g. Calculate the density ofone marble.

Diberi jisim satu guli ialah 8g. Kirakan ketumpatan bagi satu guli.

[2 marks ]

[2 markah ]


Density/Ketumpatan =Volume/Isipadu

Mass/Jisim

6(c)(i)

1

6(c)(iii)

2

Total

A6

8

6(c)(ii)

1

30ml

50ml

Marble

guli


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17

SULIT 55/2 For

Section B

Bahagian B

[ 20 marks ]

[ 20 markah ]

Answer all questions.

Jawab semuasoalan.

7 Diagram 7.1 shows three arrangement of apparatus to study the characteristics of calciumcarbonate compound.

Rajah 7.1 menunjukkan tiga susunan radas untuk mengkaji sifat-sifat sebatian kalsium

karbonat.

Before/Sebelum After/Selepas

Activity A/Activiti A


Activity B/Activiti B

Examiners

Use



Hydrochloric acid

Asid hidroklorik

Calcium carbonate

Kalsium karbonatCalcium carbonate

Kalsium karbonat

Lime water turns cloudy

Air kapur menjadi keruh

Clear lime waterAir kapur jernih

5g calcium carbonate

5g kalsium karbonat

Water

Air


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18


Use


Activity C/Aktiviti C

Diagram 7.1

Rajah 7.1

(a) In table 7.1, state your observation based on Diagram 7.1.

Dalam Jadual 7.1, nyatakan pemerhatian berdasarkan Rajah 7.1.

Activity

Aktiviti

Observation

PemerhatianA

B

C

Table 7.1

Jadual 7.1

[3 marks]

[3 markah]

(b) Name the gas produced in Activity B.

Namakan gas yang terhasil dalam Aktiviti B.

______________________________________________________________________

[1 mark]

[1 markah]


7(b)

1

7(a)

3

Calcium carbonate

Kalsium karbonat

Clear lime water

Air kapur jernih

Lime water turns cloudy

Air kapur menjadi keruh


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19

SULIT 55/2 For

(c) Predict the result if the gas produced in Activity C is tested with glowing woodensplinter.

Ramalkan keputusan jika gas yang terhasil di dalam Aktiviti C diuji dengan kayu uji

berbara.

________________________________________________________________________

[1 mark]

[1 markah]

(d) Based on the observation of experiments in Diagram 7.1, write two properties of calcium

carbonate compound.

Berdasarkan pemerhatian bagi eksperimen-eksperimen di dalam Rajah 7.1, tuliskan dua

sifat bagi sebatian kalsium karbonat.

(i) __________________________________________________________________

__________________________________________________________________

(ii) __________________________________________________________________

__________________________________________________________________

[2marks ]

[2markah ]

Reaction/Tindakbalas Observation/Pemerhatian

Iron + Hydrochloric Acid

Besi +Asid hidroklorik

Gas bubbles are released. Lime water doesnot turn cloudy.

Gelembung gas dibebaskan. Air kapur

tidak menjadi keruh.

Egg shell + Sulphuric Acid

Kulit telur+Asid sulfurik

Gas bubbles are released. Lime water turns

cloudy.

Gelembung gas dibebaskan. Air kapur

menjadi keruh.

Table 7.2Jadual 7.2

(e) Based on Table 7.2, choose one substance that can replace calcium carbonate inActivity B.

Berdasarkan Jadual 7.2, pilihsatubahan yang boleh menggantikan kalsium karbonat

dalam Aktiviti B.

________________________________________________________________________

[1 mark]

[1 markah]

Examiners

Use


7(c)

1

7(d)

1

Total

B7

8

7(e)

2


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20

55/2 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan SULITFor SULIT 55/2

Examiners

Use

8 (a) Diagram 8.1 shows a women uses a table cloth to transfer a hot pot.

Rajah 8.1 menunjukkan seorang wanita menggunakan sehelai kain untuk mengalihkan

periuk yang panas.

Diagram 8.1

Rajah 8.1

State one inference about the above situation.

Nyatakan satu inferens tentang situasi di atas..

___________________________________________________________________

[ 1 mark ]

[ 1markah ]

(b) Diagram 8.2 shows the apparatus set up to study the heat transfer of different material. The

metal tins are covered with different materials.

Rajah 8.2 menunjukkan susunan radas untuk mengkaji pengaliran haba bagi bahan yang

berbeza.Tin-tin logam dibaluti dengan bahan yang berbeza.

Diagram 8.2

Rajah 8.2

8(a)

1

Water

Air

Wooden block

Blok Kayu

PolystyrenePolistirena

WoolKain bulu

Metal tin

Tin logam

Metal tin

Tin logam Aluminium foil

Kerajang aluminium


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21

55/2 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan SULITSULIT 55/2 For

Each metal tin is filled with equal volume of water at 100oC at the same time. The finaltemperature after 20 minutes is recorded.

Setiap tin logam diisi serentak dengan isipadu air yang sama bersuhu 100oC . Suhu

akhir direkodkan selepas 20 minit.

Diagram 8.2

Rajah 8.2

Examiners

Use


100

90

80

90

80

70

70

60

50

Wooden block

Blok kayu

Water

Air

PolystyrenePolistirena Wool

Kain bulu

Thermometer P

Termometer P

Thermometer Q

Termometer Q

Thermometer R

Termometer R

Aluminium foil

Kerajang aluminium

Wooden block

Blok kayu

Water

Air


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22


Examiners

UseTable 8.1 shows the readings of the the thermometer P and Q .

Jadual 8.1 menunjukkan bacaan termometerPdan Q.

Type of materialJenis bahan

Final Temperature (oC)Suhu akhir(oC)

Polistsyrene

Polistirena

90

Wool

Kain bulu80

Aluminium foil

Kerajang aluminium

Table 8.1

Jadual 8.1

(i) In table 8.1, record the final temperature of thermometer R.

Dalam Jadual 8.1,rekodkan bacaan suhu akhir termometerR.

[ 1 mark ]

[ 1markah ]

(ii) State the variable involved in this experiment.

Nyatakan pembolehubah yang terlibat dalam eksperimen ini.

Responding variable

Pembolehubah bergerak balas

Manipulated variable

Pembolehubah dimanipulasi

Constant variable

Pembolehubah dimalarkan

[3 marks ]

[3markah ]

8(b)(ii)

3

8(b)(i)

1


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23


(iii) Based on Table 8.1, draw a bar chart of final temperature against type of material.

Berdasarkan Jadual 8.1, lukiskan carta bar bagi suhu akhir melawan jenis bahan.

[2marks ][2markah ]

Examiners

Use


8(b)(iii)

2

Type of material

Jenis bahan

i r

Final temperature,oC

Suhu akhir, oC

20

40

60

80

Polystyrene

PolistirenaWool

Kain bulu

Aluminium foil

Kerajang aluminium


24/36

24


Examiners

Use(iv) Predict the final temperature of water if copper foil is used to cover the metal tin.

Ramalkan suhu akhir air jika kerajang kuprum digunakan untuk membaluti tin logam.

___________________________________________________________________

[ 1 mark ]

[ 1 markah ]

(c) Diagram 8.3 shows uses offour different material.

Rajah 8.3 menunjukkan kegunaan empat bahan yang berlainan.

Diagram 8.3

Rajah 8.3

8(b)(iv)

1

Sawdust

habuk kayu

Aluminium frying pan

Kuali aluminium

Stainless steel spoon

Sudu keluli

Tiles

Jubin


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Based on Diagram 8.3, classify these materials based on their ability to conduct heat.

Berdasarkan Rajah 8.3, kelaskan bahan-bahan tersebut berdasarkan keupayaan

untuk mengkonduksi haba.

Ability to conduct heat

Keupayaan mengkonduksi haba

Materials

Bahan

Heat conductor

Pengalir haba

Heat insulator

Penebat haba

[ 4 marks ][ 4markah ]

END OF QUESTION PAPER

KERTAS SOALAN TAMAT

Examiners

Use


Total

B8

12

8(c)

4


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26


SULIT 55/2

INFORMATION FOR CANDIDATES

MAKLUMAT UNTUK CALON

1. This question paper consists of two sections : Section A and Section B.

Kertas soalan ini mengandungi dua bahagian:BahagianAdanBahagianB.

2. Answer all questions in both sections.

Jawab semua soalan dalam kedua-dua bahagian.

3. Write your answers in the spaces provided in the question paper.

Tulis jawapan anda pada ruang yang disediakan dalam kertas soalan.

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

down the new answer.

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

jawapan yang baru.

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

Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.

6. Marks allocated for each question or sub-part question are shown in brackets.

Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam

kurungan.

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

Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.

8. Hand in this question paper to the invigilator at the end of the examination.

Serahkan kertas soalan ini kepada pengawas peperiksaan pada akhir peperiksaan.



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SULIT 55/2(PP)

55/2(PP) 2012 Hak Cipta Jabatan Pelajaran Negeri Sembilan SULIT

Question Mark Scheme

Sub

Mark

Total

Mark

1(a)

1(b)

Able to label P, Q and R using the word givenAnswer

P: Lung Q: Kidney R: Skin

Paru-paru Ginjal Kulit

Able to draw lines to match the parts of urinary system and their

functionAnswer

1+1+1

1

1

1

3

3

6

Ureter

Ureter

Stores urine

Menyimpan air kencing

Urinary bladder

Pundi Kencing

Urethra

Uretra

Channels urine from the

urinary bladder out of thebody

Menyalurkan air kencing

dari pundi kencing ke luar

badan

Channels urine from the

kidneys to the urinary

bladder

Menyalurkan air kencing

dari ginjal ke pundi kencing


28/36

SULIT 55/2(PP)


2(a)(i)

2(a)(ii)

2(a)(iii)

2(b)(i)

2(b)(ii)

Able to name part label XAnswer

Eardrum

Gegendang telinga

Able to mark () the function of X

Answer

Amplify sound vibrations

Menguatkan getaran bunyi

Vibrates when sound waves hit itBergetar apabila gelombang bunyi mengenainya

Able to state one effect if the part labelled X is damagedAnswer

1. The ability of hearing decreaseKebolehan mendengar berkurangan

2. Becomes deafMenjadi pekak

(Any one)

Able to name apparatus Q.Answer

Switch

Suis

Able to complete the observation in Table 2.1Answer

Situation /Situasi Observation /

Pemerhatian

The switches for the electric bell and

the vacuum pump are turned on.

Suis loceng elektrik dan pam vakum

dihidupkan.

The sound of the bell

cannot be heard / No

sound

Bunyi loceng tidak

boleh didengar / Tiada

bunyi

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SULIT 55/2(PP)


2(c) Able to mark () the hearing aid deviceAnswer

1 1

6

3(a)

3(b)(i)

3(b)(ii)

3(c)

3(d)

Able to state what kind of skeletal systems found in land and

aquatic vertebrates based on Diagram 3.1Answer

Endoskeleton

Rangka dalam badan

Able to mark () the group of mangrove treeAnswer

Able to state one of the support system of the mangrove treeAnswer

Stilt root // Woody stem

Akar sokongan // Batang berkayu (Any one)

Able to name two examples of animals supported by exoskeleton

based on Diagram 3.1Answers

1. PrawnUdang

2. CrabKetam

Able to name one group of vertebrates that are not found in

Diagram 3.1Answer

Amphibian

Amfibia

Flowering plants

Tumbuhan berbunga

Non-flowering plants

Tumbuhan tidak berbunga

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http://www.google.com.my/imgres?q=spectacle&start=195&hl=en&biw=1280&bih=562&tbm=isch&tbnid=gr3jOfZ7JFKyrM:&imgrefurl=http://mappio.com/mindmap/tim-haynes/spectacles-psf&docid=mGLYXRtkv1nlAM&imgurl=http://img.mappio.com/tim%20haynes/file/05421b73-1583-4e7d-a58a-9c2d00eab08f/Spectacles%20smaller_(PSF).png&w=1749&h=1110&ei=OX0FUKrvMI3RrQef-OirBg&zoom=1&iact=hc&vpx=302&vpy=281&dur=3281&hovh=179&hovw=282&tx=176&ty=105&sig=108043478482256718608&page=14&tbnh=117&tbnw=184&ndsp=15&ved=1t:429,r:11,s:195,i:96http://www.google.com.my/imgres?q=stethoscope&hl=en&biw=1280&bih=562&tbm=isch&tbnid=wqoz1npEH72VhM:&imgrefurl=http://www.clker.com/clipart-9931.html&docid=opKEtoSR_yRckM&imgurl=http://www.clker.com/cliparts/d/2/3/3/11954238481803208774johnny_automatic_stethoscope.svg.hi.png&w=414&h=594&ei=PXwFUK3VB8jOrQfUk4mvBg&zoom=1&iact=hc&vpx=614&vpy=155&dur=781&hovh=269&hovw=187&tx=95&ty=130&sig=108043478482256718608&page=2&tbnh=170&tbnw=118&start=13&ndsp=16&ved=1t:429,r:3,s:13,i:187http://www.google.com.my/imgres?q=guitar&hl=en&biw=1280&bih=562&tbm=isch&tbnid=rcuy89IFHyPTHM:&imgrefurl=http://www.coolguitarshop.com/?page_id=6&docid=OrtkrjJJrCPBfM&imgurl=http://www.coolguitarshop.com/wp-content/uploads/2010/12/acoustic-guitar.jpg&w=504&h=504&ei=6HsFUNKhGoHYrQekv6G_Bg&zoom=1


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SULIT 55/2(PP)


Zygote FoetusProcess X Embryo

4(a)(i)

4(a)(ii)

4(a)(iii)

4(b)(i)

Able to name the process which occurs at X .

Answer

Fertilisation

Persenyawaan

Able to draw arrows in Diagram 4.1 from X to the place where

implantation occursAnswer

Able to state what happened to the ovum if process at X does not

occurAnswer

1. Ovum will die

Ovum akan mati

2. Will be discharged together with blood (in the next menstruation)

Akan dikeluarkan bersama darah (pada haid berikutnya)

(Any one)

Able to complete the sequence of development on Diagram 4.2

Answer

(2 correct = 1mark)

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SULIT 55/2(PP)


4(b)(ii)

4(b)(iii)

Able to state one of the causes of sterility in maleAnswers

1. The testes cannot produce spermTestis gagal menghasilkan sperma

2. There is sperm production but low sperm countSperma dihasilkan tetapi dalam jumlah yang sedikit

3. Low quality sperms producedPenghasilan sperma yang kurang berkualiti

4. Male is impotentMati pucuk

5. Imbalance of sex hormonesKetidak seimbangan hormone seks

6. Defective reproductive organs / Organs infected with diseaseKecacatan organ pembiakan / Organ dijangkiti penyakit

7. High blood pressure // DiabetesTekanan darah tinggi // Diabetes

(Any one)

Able to suggest one way to overcome sterility in male

Answers

1. Taking nutritious food /good nutritionPengambilan makanan berkhasiat /pemakanan yang baik

2. Hormone treatmentRawatan hormon

3. SurgeryPembedahan

4. In-vitro fertilization / IVFPersenyawaan In-vitro / IVF

(Any one)

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1 3

6

5(a)(i)

5(a)(ii)

Able to write one of the factor required for photosynthesis in the

box on Diagram 5.1Answer

Water

Air

Able to state one importance of the gas produced during

photosynthesisAnswer

1. For respiration / cell respiration / breathingUntuk respirasi / respirasi sel / pernafasan

2. For combustion / burning

Untuk pembakaran

(Any one)

REJECT: For rusting (Unruk pengaratan)

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SULIT 55/2(PP)


5(b)(i)

5(b)(ii)

5(b)(iii)

5(c)

Able to state the purpose of placing the plants in the darkAnswer

1. To remove starch from the plant

Untuk menyingkirkan kanji daripada tumbuhan

2. To prevent the process of photosynthesis by the plants

Untuk menghalang proses fotosintesis oleh tumbuhan

3. To prevent the production of food by the plantsUntuk mencegah penghasilan makanan oleh tumbuhan

(Any one)

Able to state one function of sodium hydroxide solution based onDiagram 5.2Answer

To absorb carbon dioxide from the air

Untuk menyerap karbon dioksida dari udara

Able to complete Table 5.1

Answer

Apparatus

Radas

Starch Test/Ujian kanji

Observation

Pemerhatian

Explaination

Penerangan

A Dark Blue

Biru gelap

Starch present

Terdapat kanji

B No change

Tiada perubahan

No starch present

Tidak terdapat kanji

Able to explain how carbon cycle maintained a balanced ecosystem

based on Diagram 5.3Answer

Plants used carbon dioxide in the air for photosynthesis to produce

oxygen.

Tumbuhan menggunakan karbon dioksida di udara untuk fotosintesi

bagi menghasilkan oksigen.

Organisms used oxygen in the air for respiration and release carbon

dioxide to the air.

Organisma menggunakan oksigen di udara untuk respirasi dan

membebaskan karbon dioksida ke udara.

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SULIT 55/2(PP)


6(a)(i)

6(a)(ii)

6(b)(i)

6(b)(ii)

6(c)(i)

Able to state why some of the objects float and some of them sink


1. Because of different density (compared to the density of water)Kerana perbezaan ketumpatan (berbanding ketumpatan air).

2. Less dense objects float, denser objects sink.Objek kurang tumpat terapung, objek lebih tumpat tenggelam.

(Any one)

Able to suggest one way to prevent flash floodSample answers

1. Recycle

Kitar semula

2. Clean the clog drain

Bersihkan longkang tersumbat

3. Do not throw solid wastes / plastics into the drain / river

Tidak membuang sisa pepejal / plastic ke dalam longkang / sungai

(Any reasonable answer)

Able to explain why is the egg in Situation A sink but floats in

Situation BAnswer

1. Because in Situation B, the density of salt solution is higher than

the density of the egg (vice versa).

Kerana dalam Situasi B, ketumpatan larutan garam lebih tinggi

berbanding ketumpatan telur (sebaliknya).

2. Because in Situation A, the density of distilled water is lesser than

the density of egg (vice versa).

Kerana dalam situasi A, ketumpatan air suling kurang berbanding

ketumpatan telur (sebaliknya).

(Any one)

Able to compare the density between cork and coin in Diagram 6.2Answer

The density of cork is lesser / smaller while the density of coin is

denser / higher

Ketumpatan gabus adalah kurang / kecil manakala ketumpatan syilingadalah lebih tumpat / lebih tinggi

Able to name the method used in Diagram 6.3Answer

Water displacement method

Kaedah sesaran air

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SULIT 55/2(PP)


6(c)(ii)

6(c)(iii)

Able to record the volume of the marbles based on Diagram 6.3Answer

20 cm3

Able to calculate the density of one marble when the mass is 8gAnswer

Density = 8/4= 2 gcm-3

1

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8

7(a)

7(b)

7(c)

Able to state observation based on Diagram 7.1 in table 7.1Answer

Activity

Aktiviti

Observation

PemerhatianA No changes // Does not dissolve in water

Tiada perubahan // Tidak larut dalam air

B Lime water turns cloudy // Air bubbles are

produced

Air kapur menjadi keruh // Gelembung udara

dihasilkan

C Lime water turns cloudy // Air bubbles are

produced

Air kapur menjadi keruh // Gelembung udara

dihasilkan

Able to name the gas produced in Activity BAnswer

Carbon dioxide

Karbon dioksida

Able to predict the result if the gas produced in activity C is tested

with glowing wooden splinterAnswer

Will be extinguished / extinguish

Akan terpadam / padam

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SULIT 55/2(PP)


7(d)

7(e)

Able to write two properties of calcium carbonate compound based

on the observation in Diagram 7.1Answer

1. Does not dissolve in water

Tidak larut dalam air

2. Reacts with acid to form calcium salt, carbon dioxide and water

Bertindak balas dengan asid untuk menghasilkan kalsium garam,karbon dioksida dan air

3. Decomposes to produce calcium oxide / quicklime and carbon

dioxide when heated

Terurai untuk membentuk kalsium oksida / kapur tohor dan

karbon dioksida apabila dipanaskan

(Any two)

Able to suggest one substance that can replace calcium carbonate

based on Table 7.2Answer

Egg shell

Kulit telur

1+1

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2

1

8

8(a)

8(b)(i)

Able to state one inference about the uses of the table cloth based on

diagram 8.1Answer

The woman is able to transfer the hot pot because table cloth is heat

insulator / poor conductor of heat.Wanita tersebut berupaya memindahkan periuk panas kerana kain

merupakan penebat haba / pengalir haba yang kurang baik.

Able torecord the final temperature of thermometer Q in Table8.1Answer

Type of material

Jenis bahan

Final Temperature (oC)

Suhu akhir(oC)

Polistsyrene

Polistirena

90

Wool

Kain bulu 70

Aluminium foil

Kerajang aluminium50

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SULIT 55/2(PP)

8(b)(ii)

8(b)(iii)

8(b)(iv)

8(c)

Able to state the variables involved in this experimentAnswer

Able to draw a bar chart of final temperature against type of

material based on Table 8.1Answer

All points are correctly plotted

Semua titik dipindahkan dengan betul

Graph is drawn correctly

Graf dilukis dengan betul

Able to predict the final temperature if copper foil is used to cover

the tinAnswer

Less than 60 oC (accept 30 oC59oC)

Kurang daripada 60oC (terima 30

oC59

oC)

Able toclassify the materials based on their ability to conduct heat


Responding variable

Pembolehubah bergerak balas

Final Temperature

Suhu akhir

Manipulated variable

Pembolehubah dimanipulasi

Type of materials

Jenis Bahan

Constant variablePembolehubah dimalarkan

Volume of waterIsipadu air

Ability to conduct heat

Keupayaan mengkonduksi haba

Materials

Bahan

Heat conductor

Pengalir haba

Aluminium frying pan,

stainless steel spoon

Kuali aluminium, sudu keluli

Heat insulator

Penebat haba

Sawdust, tiles

Habuk kayu, jubin

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2012 percubaan pmr sains (Negeri Sembilan) -k2

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