papercollection 2 1 which of the following is the best ... · pdf filekipas elektrik c...

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1 Which of the following is the best definition of science?

Di antara yang berikut, yang manakah definisi sains yang terbaik?

A Science is the study of the objects in the universe

Sains ialah kajian tentang objek di alam semesta

B Science is the natural phenomena happening around us

Sains ialah fenomena semulajadi yang berlaku di sekeliling kita

C Science is the study of nature and its implications on us

Sains ialah kajian tentang alam semulajadi dan implikasinya terhadap kita

D Science is the knowledge obtained from the study of human

Sains ialah pengetahuan yang diperoleh daripada kajian tentang manusia

2 Diagram 1 shows a chemical substance.

Rajah 1 menunjukkan satu bahan kimia.

Why is the chemical substance dangerous?

Mengapakah bahan kimia itu merbahaya?

A It is irritant

Ia adalah bahan merangsang

B It is explosive

Ia boleh meletup

C It is corrosive

Ia boleh mengakis

D It is poisonous

Ia adalah bahan racun

Diagram 1

Rajah 1

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3 Diagram 2 shows a plant cell.

Rajah 2 menunjukkan sel tumbuhan

Which structure gives shape to the plant cell?

Struktur yang mana memberi bentuk kepada sel tumbuhan?

A P

C R

B Q D S

4 Diagram 3 shows a plasticine lump shaped into a model that floats.

Rajah 3 menunjukkan satu ketul plastisin yang dibentuk menjadi satu model yang

terapung.

The plasticine model floats because

Model plastisin terapung kerana

A it is denser than water

ia lebih tumpat daripada air

B its volume has been increased

isipadunya telah bertambah

C its mass has been increased

jisimnya telah bertambah.

D its mass has been reduced

jisimnya telah dikurangkan

Plasticine lump

Ketulan plastisin

Plasticine model Model plastisin

Diagram 3

Rajah 3

Water

Air

Diagram 2

Rajah 2

P

R

Q

S

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5 Diagram 4 shows the particles found in four different substances.

Rajah 4 menunjukkan jirim yang terdapat dalam empat bahan yang berlainan.

Which substance is a compound?

Bahan yang manakah sebatian?

A J

B K

C L

D M

6 Diagram 5 shows an experiment to determine the percentage of air used in the combustion

of a candle.

Rajah 5 menunjukkan satu eksperimen untuk menentukan peratusan udara yang digunakan

di dalam pembakaran lilin.

How many percent of air is used in the combustion of the candle?

Berapakah peratus udara yang digunakan dalam pembakaran lilin?

A 10%

B 20%

C 40%

D 50%

J K L M

Diagram 4

Rajah 4

Gas jar stand

Penyokong balang gas

Plasticine

Plastisin

Diagram 5

Rajah 5

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7 Diagram 6 shows apparatus set-up to study living things during respiration.

Rajah 6 menunjukkan susunan radas untuk mengkaji benda hidup semasa pernafasan.

Which of the following pairs is correct?

Yang manakah merupakan pasangan yang betul?

Observation

Pemerhatian

Inference

Inferens

A Indicator P moves towards the test tube.

Penunjuk P bergerak ke arah tabung uji

Oxygen is used during respiration.

Oksigen digunakan semasa pernafasan.

B Indicator P moves away from the test

tube.

Penunjuk P bergerak menjauhi tabung uji

Carbon dioxide is released during

respiration.

Karbon dioksida dibebaskan semasa

pernafasan

C Indicator Q moves away from the test

tube.

Penunjuk Q bergerak menjauhi tabung

uji.

Carbon dioxide is released during

respiration.

Karbon dioksida dibebaskan semasa

pernafasan.

D Indicator R moves towards the test tube.

Penunjuk R bergerak ke arah tabung uji

Oxygen is used during respiration.

Oksigen digunakan semasa pernafasan.

Dead cockroach

Lipas mati

Boiled seeds

Biji benih yang dididih

Diagram 6

Rajah 6

Live cockroach

Lipas hidup Cotton soaked in sodium hydroxide solution

Kapas direndam di dalam larutan natrium hidroksida

Indicator P

Penunjuk P

Indicator Q

Penunjuk Q

Indicator R

Penunjuk R

Cotton soaked in sodium hydroxide solution


Cotton soaked in sodium hydroxide solution


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8 Which of the following conditions shows that an object has kinetic energy ?

Di antara berikut, keadaan manakah yang menunjukkan bahawa sesuatu objek

mempunyai tenaga kinetik?

A A lighted bulb

Mentol menyala

B A compressed spring

Spring yang dimampatkan

C A fast moving car

Kereta bergerak dengan laju

D A person on top of the roof

Seseorang yang berada di atas bumbung

9 Diagram 8 shows the sources of energy and their descriptions.

Rajah 8 menunjukkan sumber tenaga dan penerangannya.

Sources of energy

Sumber tenaga

Description

Keterangan

P

Energy obtained from the decomposition of organic waste

products or dead organism.

Tenaga yang didapati daripada penguraian bahan buangan

organik atau organisma yang mati.

Q

Energy obtained from dead plants and animal deposited on the sea

bed and compressed between rocks.

Tenaga yang diperolehi daripada tumbuhan dan haiwan mati

terenap di dasar laut dan dimampatkan di antara batuan

R

Energy obtained from the core of the earth.

Tenaga yang diperolehi daripada teras bumi

Which of the following are represented by P, Q and R?

Antara berikut yang manakah diwakili oleh P, Q dan R?

P Q R

A Coal

Arang batu

Natural gas

Gas asli

Petroleum

Petroleum

B Coal

Arang batu

Biomass

Biojisim

Geothermal

Geoterma

C Biomass

Biojisim

Petroleum

Petroleum

Geothermal

Geoterma

D Biomass

Biojisim

Natural gas

Gas asli

Petroleum

Petroleum

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10 Which of the following has black and dull surfaces?

Di antara berikut, yang manakah mempunyai permukaan yang hitam dan pudar?

A Air conditioner

Alat Pendingin Hawa

B Electric fans

Kipas Elektrik

C Electric iron

Seterika Elektrik

D Car radiators

Radiator Kereta

11 Diagram 9 shows iron bobs of different mass put in boiling water.

Rajah 9 menunjukkan ladung besi berlainan jisim diletakkan dalam air mendidih

Arrange the iron bobs in order starting with the least heat content.

Susunkan ladung besi itu mengikut susunan bermula daripada kandungan haba yang

terendah.

A L, K , J , M

B M, J , K , L

C J, K, L, M

D K, M, L , J

Diagram 9

Rajah 9

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12 Diagram 10 shows the structure of the human ear.

Rajah 10 menunjukkan struktur telinga manusia.

Which of the labelled parts P, Q, R and S produces impulses to be sent to the brain?

Yang manakah di antara bahagian yang berlabel P, Q, R dan S menghasilkan impuls

untuk dihantar ke otak?

A P

B Q

C R

D S

13 Grass in vegetable garden are weeded from time to time to reduce the problem of:

Rumput di kebun sayur dicabut dari semasa ke semasa untuk mengurangkan masalah:

A Parasitism

Parasitisme

B Mutualism

Mutualisme

C Commensalism

Komensalisme

D Competition

Persaingan

R

S

Q P

Diagram 10

Rajah 10

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14 Diagram 11 shows a chart of the human senses.

Rajah 11 menunjukkan satu carta deria-deria manusia.

R and S are used in

R dan S digunakan dalam

A Tasting the chicken curry

Merasa kari ayam

B Selecting a good durian

Memilih durian yang baik

C Watching a movie

Menonton wayang

D Mother hugging her baby

Ibu memeluk bayi

Diagram 11

Rajah 11

Sense of touch

Deria sentuh

SENSES

DERIA

Sense of smell

Deria bau

Sense of taste

Deria rasa

R

S

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15 Diagram 12 shows two boys suffering from a disease due to lack of a certain nutrient.

Rajah 12 menunjukkan dua orang kanak-kanak lelaki yang berpenyakit disebabkan oleh

kekurangan zat makanan tertentu.

What is their diet lacking of?

Apakah kekurangan zat dalam pemakanan mereka?

A

Fat

Lemak

C Iodine

Iodin

B Iron

Zat besi D Protein

Protein

16 The following information shows the characteristics of a plant.

Maklumat berikut menunjukkan ciri-ciri suatu tumbuhan.

Which plants have these characteristics?

Tumbuhan yang manakah mempunyai ciri-ciri ini ?

A

Banana

Pisang

C Coconut

Kelapa

B Papaya

Betik D Balsam

Keembung

• Soft stem.

Batang lembut.

• Fibrous root system.

Sistem akar serabut.

• Parallel veined leaves.

Daun urat selari.

Diagram 12

Rajah 12

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17 Diagram 13 shows a food chain.

Rajah 13 menunjukkan satu rantai makanan.

Which organism can represent Z?

Organisma manakah boleh mewakili Z?

I. Rat

Tikus

II. Eagle

Helang

III. Fungi

Kulat

IV. Bacteria

Bakteria

A I and II

I dan II

B II and III

II dan III

C III and IV

III dan IV

D I and IV

I dan IV

Grasshopper

Belalang

Paddy plant

Padi

Bird

Burung

Z

Diagram 13

Rajah 13

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18 What is the similarity between evaporation and boiling?

Apakah persamaan antara penyejatan dan pendidihan?

A Both absorb heat

Kedua-duanya menyerap haba

B Both are slow processes

Kedua-duanya merupakan proses yang lambat

C Both occur at the surface of liquid

Kedua-duanya berlaku di permukaan cecair

D Both occur below boiling point

Kedua-duanya berlaku di bawah takat didih

19 Which of the following enables glucose powder to dissolve in a saturated glucose

solution ?

Antara cara-cara yang berikut, yang manakah membolehkan serbuk glukosa larut

dalam larutan tepu glukosa?

A Stirring

Mengacaukannya

B Adding more water

Tambah lebih banyak air

C Using a bigger beaker

Menggunakan bikar yang lebih besar

D Adding alcohol

Tambah alkohol

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20 Diagram 14 shows an empty soft drink carton.

When a student sucks air out of it, the carton changes in shape as shown.

Rajah 14 menunjukkan sekotak minuman ringan yang kosong.

Apabila seseorang pelajar menyedut udara keluar, kotak tersebut telah berubah bentuk

seperti yang ditunjukkan.

This happens because when air is sucked out of the carton,

Ini berlaku kerana apabila udara disedut keluar dari kotak,

A the air pressure outside the carton increases

tekanan udara diluar kotak bertambah

B the air pressure inside the carton decreases

tekanan udara di dalam kotak berkurangan

C the speed of the air particles outside the carton increases

kelajuan pergerakan zarah-zarah udara di luar kotak bertambah

D the speed of the particles of air inside the carton decreases

kelajuan pergerakan zarah-zarah udara di luar kotak berkurangan

Soft drink carton

Kotak minuman ringan

Diagram 14

Rajah 14

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21 Diagram 15 shows an activity to find the weight of water.

Rajah 15 menunjukkan satu aktiviti untuk menentukan berat air.

What is the weight of the water?

Berapakah berat air?

A 9 N

B 7 N

C 5 N

D 4 N

(a) (b) (c)

Diagram 15

Rajah 15

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22 Diagram 16 shows a wild orchid plant.

Rajah 16 menunjukkan satu tumbuhan orkid liar.

What is the support system of the plant?

Apakah sistem sokongan tumbuhan tersebut?

A Tendrils

Sulur paut

B Prop roots

Akar sokongan

C Buttress roots

Akar banir

D Clasping roots

Akar cengkam

Diagram 16

Rajah 16

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23 Diagram 17 shows a figure in three different postures.

Rajah 17 menunjukkan tiga postur yang berlainan.

Which posture is the most and the least stable?

Yang manakah postur yang paling stabil dan postur yang paling kurang stabil?

Most stable

Paling stabil

Least stable

Paling kurang stabil

A P R

B R Q

C Q R

D R P

Diagram 17

Rajah 17

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24 Diagram 18 shows a pair of scissors used to cut a piece of string.

Rajah 18 menunjukkan sepasang gunting digunakan untuk memotong sehelai benang.

J, K, L and M are four different positions of the string.

Where should the string be placed in order to be cut with the least effort?

J, K, L dan M merupakan empat kedudukan benang yang berlainan.

Di kedudukan manakah benang itu harus diletak supaya daya yang kurang sekali

digunakan?

A Position J

Kedudukan J

B Position K

Kedudukan K

C Position L

Kedudukan L

D Position M

Kedudukan M

M

L K J

Diagram 18

Rajah 18

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25 Diagram 19 shows two boys, X and Y standing on a wooden plank which is in

equilibrium.

Rajah 19 menunjukkan dua orang budak lelaki, X dan Y berdiri di atas papan kayu yang

berada dalam keadaan yang seimbang.

If Y moves a distance of 1.0 m nearer to the fulcrum, what distance and direction must

X move to maintain equilibrium?

Sekiranya Y bergerak pada jarak 1.0 m mendekati fulkrum, apakah jarak dan arah X

bergerak untuk mengekalkan keseimbangan?

Distance

Jarak

Direction

Arah

A 0.6 m Towards the fulcrum.

Mendekati fulkrum

B 0.6 m Away from the fulcrum

Menjauhi fulkrum

C 0.9 m Towards the fulcrum

Mendekati fulkrum

D 0.9 m Away from the fulcrum

Menjauhi fulcrum

26 Haemoglobin is found in

Hemoglobin didapati dalam

A white blood cells

sel darah putih

B red blood cells

sel darah merah

C blood plasma

plasma darah

D platelets

platelet

Diagram 19

Rajah 19

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27 Diagram 20 shows the cross-section of the stem of a plant.

Rajah 20 menunjukkan keratan rentas batang sesuatu tumbuhan.

Structure Z transports

Struktur Z mengangkut

A water

air

B oxygen

oksigen

C mineral salts

garam mineral

D manufactured food

makanan yang telah diproses

28 Which of the following helps in the clotting of blood?

Di antara berikut, yang manakah membantu dalam pembekuan darah?

I Calcium

Kalsium

II Iron

Zat besi

III Vitamin K

Vitamin K

IV Platelets

Platelet

A

I, II and III

I, II dan III

C I, II and IV

I, II dan IV

B II, III and IV

II, III dan IV D I, III and IV

I, III dan IV

Diagram 20

Rajah 20

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29 Diagram 21 shows a longitudinal section of the kidney.

Rajah 21 menunjukkan keratan memanjang ginjal.

Diagram 21

Rajah 21

The function of part R is to

Fungsi bahagian R ialah untuk

A channel urine to the urinary bladder

menyalur air kencing ke pundi kencing

B transport blood out of the kidney

mengangkut darah keluar dari ginjal

C transport blood to the kidney

mengangkut darah ke ginjal

D control the amount of water and mineral salts in the body

mengawal kandungan air dan garam mineral di dalam badan

Blood

Darah

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30 Diagram 22 shows the female reproductive system.

Rajah 22 menunjukkan sistem pembiakan perempuan.

The processes that take place at P and Q are

Proses-proses yang berlaku di P dan Q adalah

P

Q

A Fertilisation

Persenyawaan

Ovulation

Pengovulan

B Ovulation

Pengovulan

Implantation

Penempelan

C Fertilisation

Persenyawaan

Implantation

Penempelan

D Implantation

Penempelan

Fertilisation

Persenyawaan

P

Diagram 22

Rajah 22

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31 The following information shows the development in a boy.

Maklumat berikut menunjukkan perkembangan seorang budak lelaki.

The above characteristics appear in a boy during a certain stage of growth.

The stage of growth is …..

Ciri-ciri di atas wujud pada seorang budak lelaki pada suatu peringkat pertumbuhan.

Peringkat pertumbuhan ini ialah….

A childhood

kanak-kanak

B adolescence

remaja

C adulthood

dewasa

D old age

tua

32 Which of the following exists as a free element in the Earth Crust?

Antara yang berikut, yang manakah wujud sebagai elemen bebas dalam kerak Bumi?

A Magnesium

Magnesium

B Potassium

Kalium

C Calcium

Kalsium

D Gold

Emas

• Deepening of the voice

Suara yang garau

• Growth of beard, armpit and pubic hair

Pertumbuhan janggut, bulu ketiak dan bulu di bahagian sulit.

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33 Diagram 23 shows the effect of heat on zinc sulphide

Rajah 23 menunjukkan kesan haba ke atas zink sulfida

What is solution X which is used to test the gas released?

Apakah larutan X yang digunakan untuk menguji gas yang dibebaskan?

A Acidic potassium manganate (VII) solution

Larutan potassium manganat(VII) berasid

B Hydrogen carbonate indicator

Penunjuk bikarbonat

C Litmus solution

Larutan litmus

D Lime water

Air kapur

Zinc Sulphide

Zink sulfida

Solution X

Larutan X

Heat

panaskan

Diagram 23

Rajah 23

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34 Diagram 24 shows an experiment to investigate the property of a calcium compound.

Rajah 24 menunjukkan satu eksperimen untuk menyiasat sifat sebatian kalsium.

The gas released turns limewater chalky.

Which of the following equations represents the reaction in the test tube?

Gas yang terbebas mengeruhkan air kapur.

Yang manakah di antara persamaan-persamaan berikut mewakili tindak balas dalam tabung

uji?

A Calcium compound + Hydrochloric acid Calcium oxide + Water + Carbon dioxide

Sebatian kalsium Asid hidroklorik Kalsium oksida Air Karbon dioksida

B Calcium compound + Hydrochloric acid Calcium chloride + Water + Carbon dioxide

Sebatian kalsium Asid hidroklorik Kalsium klorida Air Karbon dioksida

C Calcium compound + Hydrochloric acid Calcium chloride + Water + Calcium oxide

Sebatian kalsium Asid hidroklorik Kalsium klorida Air kalsium klorida

D

.

Calcium compound + Hydrochloric acid Calcium hydroxide + Carbon dioxide

Sebatian kalsium Asid hidroklorik Kalsium hidroksida Karbon dioksida

35 Which of the symbol of electrical components is correct?

Antara simbol komponen elektrik berikut, yang manakah betul?

Electric component

Komponen elektrik

Symbol

Simbol

A Electric source

Punca elektrik

B Fixed resistor

Perintang tetap

C Ammeter

Ammeter

D Fuse

Fius Ω

G

V

A

Dilute hydrochloric acid

Asid hidrokloric cair Calcium compound

Sebatian kalsium

Lime

water

Air kapur

Diagram 24

Rajah 24

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36 Diagram 25 shows a wire passing through the middle of a cardboard.

Rajah 25 menunjukkan dawai melalui kadbod.

The current is passed through the wire.

Iron filings are sprinkled on the card board around the wire and then the cardboard is

gently tapped.

What is the shape and direction of the magnetic field?

Arus dilalu menerusi dawai itu. Serbuk besi ditaburkan ke atas kadbod yang mengelilingi

dawai dan kadbod tersebut dijentik secara perlahan-lahan.

Apakah bentuk dan arah medan magnet?

Shape and direction of magnetic field

Bentuk dan arah medan magnet

A

B

C

D

Diagram 25

Rajah 25

Current

Arus +

_

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37 Diagram 26 shows a 3-pin plug.

Rajah 26 menunjukkan satu palam 3 pin.

What is the colour of wire R?

Apakah warna pada dawai R?

A Yellow with green stripes

Kuning dengan jalur hijau

B Brown

Perang

C White

Putih

D Blue

Biru

38 An air conditioner marked 2000 W, 240 V is used for 30 minutes daily.

The cost of one unit of electricity is RM 0.30.

What is the cost of using the air conditioner for 3 weeks?

Sebuah penghawa dingin bertanda 2000 W, 240V telah diguna selama 30 minit setiap hari.

Kos bagi satu unit bekalan elektrik ialah RM 0.30.

Apakah kos untuk penghawa dingin yang digunakan selama 3 minggu?

A RM 6.30

B RM 54.00

C RM 378.00

D RM 756.00

Diagram 26

Rajah 26

P

Q R

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39 Which galaxy does the Solar System belong to?

Dari galaksi manakah, sistem solar berada?

A

C D

B

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40 Diagram 27 shows a space probe.

Rajah 27 menunjukkan prob angkasa.

What is a space probe?

Apakah prob angkasa?

A A space ship that carries astronauts

Kapal angkasa yang membawa angkasawan

B A space robot launched to other planets to get information

Robot angkasa yang dilancarkan ke planet untuk mendapatkan maklumat

C A space ship used to launch satellites

Kapal angkasa yang digunakan untuk melancarkan satelit-satelit

D A man-made object that orbits the Earth

Object buatan manusia yang mengorbitkan Bumi

END OF QUESTION PAPER

KERTAS SOALAN TAMAT

Diagram 27

Rajah 27

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INFORMATION FOR CANDIDATES

MAKLUMAT UNTUK CALON

1. This paper consists of 40 questions.

Kertas soalan ini mengandungi 40 soalan.

2. Answer all questions.

Jawab semua soalan.

3. Each question is followed by four alternative answers, A, B, C and D. For each

question, choose one answer only. Blacken your answer on the objective answer

sheet provided.

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

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

objektif yang disediakan.

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

Then blacken the new answer.

Jika anda hendak menukar jawapan, padamkan tanda yang telah dibuat.

Kemudian hitamkan 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. You may use a non-programmable scientific calculator.

Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogam.

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55/2 @ 2009 Hak Cipta Jabatan Pelajaran Sarawak SULIT

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1

SULIT 55/2 Section A

Bahagian A

[40 marks] [40 markah]

Answer all questions. Jawab semua soalan.

1 Diagram 1 shows the structure of a human heart.

Rajah 1 menunjukkan struktur jantung manusia.

Diagram 1

Rajah 1

(a) On Diagram 1, label the parts P, Q and R using the following words. Pada Rajah 1, labelkan bahagian-bahagian P, Q dan R menggunakan perkataan berikut:

(3 marks) (b)

Tricuspid valve Pulmonary vein Left ventricle Injap trikuspid Vena pulmonari Ventrikel kiri

State the function of P. Nyatakan fungsi P. --------------------------------------------------------------------------------------------------

[1 mark] (c) Which one of the parts in Diagram 1 ensures blood flows in one direction only?

Bahagian yang mana satukah dalam Rajah 1 memastikan darah mengalir dalam satu arah sahaja? --------------------------------------------------------------------------------------------------

[1 mark]

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2

2

2 Diagrams 2.1 and 2.2 below show the results of tests done on gas X. Gas X is tested with a lighted splinter and limewater. The results of the tests are shown below. Rajah 2.1 dan 2.2 di bawah menunjukkan keputusan ujian ke atas gas X. Gas X diuji dengan kayu uji bernyala dan air kapur. Keputusan ujian adalah ditunjukkan di bawah.

Lighted splinter extinguished Kayu uji menyala padam

gas X Lime water turns cloudy Air kapur menjadi keruh

gas X

Diagram 2.1 Diagram 2.2 Rajah 2.1 Rajah 2.2

(a) (i) From the results of the above tests, identify gas X.

Daripada keputusan-keputusan ujian di atas, kenalpasti gas X. -------------------------------------------------------------------------------------------

[1 mark]

(ii) State whether gas X is acidic, alkaline or neutral. Nyatakan sama ada gas X berasid, beralkali atau neutral. -------------------------------------------------------------------------------------------

[1 mark]

(iii) Name one solution which absorbs gas X readily. Namakan satu larutan yang boleh menyerap gas X. -------------------------------------------------------------------------------------------

[1 mark]

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3

3

(b) Diagram 2.3 shows the sources of air pollutants. Rajah 2.3 menunjukkan punca-punca pencemaran udara.

Diagram 2.3 Rajah 2.3

(i) Name any two of these air pollutants.

Namakan dua daripada bahan-bahan pencemar udara ini.

------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------

[2 marks]

(ii) State one way you can reduce air pollution. Nyatakan satu cara anda boleh mengurangkan pencemaran udara. ---------------------------------------------------------------------------------------------

[1 mark]

Construction activities Aktiviti pembinaan

Burning of rubbish Pembakaran sampah Sources of air pollutants

Punca-punca pencemaran udara

Motor vehicles Kenderaan bermotor

Industrial activities Aktiviti perindustrian

Smoking Merokok

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4

4

3 Diagram 3.1 shows a few organisms interacted with each other in a maize field. Ralah 3.1 menunjukkan beberapa organisma berinteraksi antara satu sama lain dalam ladang jagung.

Diagram 3.1

Rajah 3.1

(a) Based on Diagram 3.1: Berdasarkan Rajah 3.1

(i) Name the producer Namakan pengeluar ------------------------------------------------------------------------------------------

[1 mark]

ii) Name the tertiary consumer Namakan pengguna tertier -----------------------------------------------------------------------------------------

[1 mark]

(iii) Construct a food chain Binakan satu rantai makanan -----------------------------------------------------------------------------------------

[1 mark] (iv) What will happen to the ecosystem if all the snakes are killed?

Apakah akan terjadi kepada ekosistem itu jika semua ular mati? ----------------------------------------------------------------------------------------- -----------------------------------------------------------------------------------------

[1 mark]

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5

5

(b) Diagram 3.2 shows a food web. Rajah 3.2 menunjukkan satu siratan makanan.

Rats Tikus

Snakes Ular

Hawks Helang

Owls Burung

Oil palm tree Kelapa sawit

Beetles Kumbang

Caterpillars Ulat

Birds Burung

Diagram 3.2

Rajah 3.2

(i) How many food chains are there in this food web? Berapakah rantai makanan yang terdapat dalam siratan makanan ini ? ------------------------------------------------------------------------------------------

[1 mark]

(ii) What is the main source of energy in this food web? Apakah sumber tenaga utama dalam siratan makanan ini? ------------------------------------------------------------------------------------------

[1 mark]

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6

6

4 Diagram 4 shows an apparatus to study the composition of the water through electrolysis. Rajah 4 menunjukkan radas untuk mengkaji komposisi air melalui elektrolisis.

Carbon electrode Elektrod karbon

Distilled water Air suling

+ Dilute sulphuric acid

Asid sulfurik cair

Diagram 4 Rajah 4

(a) When the switch is on, bubbles appear at the electrodes.

Apabila suiz dihidupkan, gelembung-gelembung udara kelihatan pada elektrod.

(i) Name the gas collected in test tube P. Namakan gas yang dikumpul dalam tabung uji P. -----------------------------------------------------------------------------------------

[1 mark]

(ii) Suggest a test for the gas collected in test tube Q. Cadangkan satu ujian untuk gas dalam tabung uji Q.

------------------------------------------------------------------------------------------ [1 mark]

(b) Give one use of the gas collected in test tube P. Berikan satu kegunaan gas yang terkumpul dalam tabung uji P.

----------------------------------------------------------------------------------------- [1 mark]

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7

7

(c) Why is dilute sulphuric acid added to the distilled water? Mengapakah asid sulfurik cair ditambah ke dalam air suling ? ------------------------------------------------------------------------------------------

[1 mark] (d) (i) State whether distilled water is a compound, an element or a mixture?

Nyatakan sama ada air suling adalah sebatian, unsur atau campuran ? ------------------------------------------------------------------------------------------

[1 mark] (ii) Explain your answer.

Terangkan jawapan anda. ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------

[1 mark]

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8

8

Diagram 5.1 shows an experiment to study the transfer of heat in water. 5 Rajah 5.1 menunjukkan eksperimen untuk mengkaji pemindahan haba di dalam air.


Potassium permHablur kalium permanganat

anganate crystal

(a) (i) Draw arrows on Diagram 5.1 to show the direction of the heat flow in the beaker. Lukiskan beberapa anak panah pada Rajah 5.1 untuk menunjukkan arah

pengaliran haba di dalam bikar. [1 mark]

(ii) Name the method of heat transfer in the beaker. Namakan cara pemindahan haba dalam bikar itu. ------------------------------------------------------------------------------------------

[1 mark]

(iii) Explain how heat transfer occurs in water? Terangkan bagaimana pemindahan haba berlaku di dalam air? ----------------------------------------------------------------------------------------- -----------------------------------------------------------------------------------------

[2 marks]

(iv) Give one application of heat transfer similar to the process shown in diagram 5.1. Berikan satu aplikasi pemindahan haba seperti proses yang berlaku dalam

Rajah 5.1. -------------------------------------------------------------------------------------------

[1 mark]

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9

9

(b) Diagram 5.2 shows a cooking utensil. Rajah 5.2 menunjukkan suatu perkakas memasak.


(i) Name the method of heat transfer when this utensil is heated? Nama kaedah pemindahan haba apabila perkakas ini dipanaskan? ------------------------------------------------------------------------------------------

[1 mark]

(ii) What is a suitable material for making the cooking utensil? Apakah bahan yang sesuai untuk membuat perkakas memasak itu?

------------------------------------------------------------------------------------------ [1 mark]

(iii) Explain your answer in (b)(ii) Terangkan jawapan anda (b)(ii) ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------

[1 mark]

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10

10

6 Diagram 6.1 and 6.2 shows two power stations. Rajah 6.1 dan 6.2 menunjukkan dua stesen janakuasa.


Diagram 6.2

Rajah 6.2

High pressure steam Stim tekanan tinggi

Dynamo Dinamo Water from sea

Air dari laut Water Air

Turbine Turbin

Burning of fossil fuel Pembakaran bahan api fosil

Condenser Kondenser Water

Air

(a) (i) What are the sources of energy used for generating electricity in Diagram 6.1

and Diagram 6.2? Apakah sumber tenaga yang digunakan untuk menjana elektrik dalam Rajah 6.1

dan Rajah 6.2 ?

Diagram 6.1 Rajah 6.1 ---------------------------------------------------------------------------- Diagram 6.2 Rajah 6.2 ----------------------------------------------------------------------------

[2 marks] (ii) What is the use of the turbine in Diagram 6.1 and 6.2?

Apakah kegunaan turbin dalam Rajah 6.1 dan 6.2? ------------------------------------------------------------------------------------------

[1 mark]

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11

11

(b) Diagram 6.3 shows the electrical power transmission and distribution system. Rajah 6.3 menunjukkan sistem penghantaran dan pengagihan kuasa elektrik .


Q 33kV

(i) What is the type of transformer X? Apakah jenis transformer X? ------------------------------------------------------------------------------------------

[1 mark]

(ii) Why is the electrical power transmitted through Q at high voltage? Mengapakah kuasa elektrik dihantar melalui Q pada voltan yang tinggi? ------------------------------------------------------------------------------------------

[1 mark]

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12

12

(c) Diagram 6.4 shows a transformer. Rajah 6.4 menunjukkan sebuah transformer.


(i) Name the type of transformer.

Namakan jenis transformer. -------------------------------------------------------------------------------------------

[1 mark]

(ii) Compare the brightness of bulb M1 and M2. Which bulb is brighter? Bandingkan kecerahan mentol M1 dan M2. Mentol manakah yang paling cerah? -------------------------------------------------------------------------------------------

[1 mark]

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13

13

(c) The data below shows the information about a transformer. Data di bawah menunjukkan maklumat tentang sebuah transformer.

Primary coil Gegelung primer

50 turns lilitan

Secondary coil Gegelung sekunder

200 turns lilitan

input voltage Voltan input

10 volts volt

By using the given formula, calculate the output voltage.

Dengan menggunakan rumus yang diberi, kirakan voltan output.

[2 marks]

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14

14

Section B Bahagian B

[20 marks]

[20 markah]

Answer all questions Jawab semua soalan

7 Diagram 7 shows flowers P, Q, R and S with their filaments, anthers, stigmas, styles and

petals. Rajah 7 menunjukkan bunga-bunga P, Q, R dan S dengan filamen, anter, stigma, stil dan ranggi.

(a) Based on your observations, state one characteristic of each flower P, Q, R and S.

Q P

R S

Diagram 7 Rajah 7

Berdasarkan permerhatian anda, nyatakan satu ciri bagi tiap-tiap bunga P, Q, R dan S

P: -------------------------------------------------------------------------------------------

Q: -------------------------------------------------------------------------------------------

R: -------------------------------------------------------------------------------------------

S: -------------------------------------------------------------------------------------------

[4 marks]

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15

15

(b) Classify flowers P, Q, R and S into two groups based on their common characteristics. Kelaskan bunga -bunga P, Q, R dan S dalam kepada dua kumpulan berkaitan dengan ciri sepunya.

Common characteristics Ciri sepunya

Letters of the flowers Huruf-huruf bunga

P, Q, R, S

[4 marks]

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16

16

8.

A pupil carried out an experiment to determine the time taken for ten complete swings of a pendulum of various lengths as shown in Diagram 8.1 below. Seorang pelajar menjalankan ekperimen untuk menentukan masa yang diambil untuk melengkapkan sepuluh ayunan lengkap bagi satu bandul yang berlainan panjang seperti yang ditunjukkan dalam Rajah 8.1 di bawah.

Pendulum bob Ladung bandul

X Y

YX

Retort stand Kaki retort

Length of pendulum Panjang bandul

String Benang

Wooden block Blok kayu


(a) State the variables involved in this experiment.

Nyatakan pembolehubah yang terlibat dalam eksperimen ini.

(i) Manipulated variable Pembolehubah yang dimanipulasikan

(ii) Responding variable Pembolehubah yang bergerakbalas

Constant variable Pembolehubah yang dimalarkan

The mass of the pendulum bob Jisim bagi ladung bandul

[2 marks]

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17

17

(b) Diagram 8.2 shows the readings on the stop watch for the pendulum of different lengths to make ten complete swings. The first two reading have been given. Rajah 8.2 menujukkan bacaan jam randik untuk bandul yang berlainan panjang membuat sepuluh ayunan lengkap. Dua bacaan pertama telah diberi.

Record the time taken for the next four readings of the stop watch. Catatkan bacaan masa yang diambil bagi empat lagi jam randik seterusnya.

The length of pendulum = 15 cm Panjang bandul Time taken = 9 seconds Masa yang diambil

The length of pendulum = 30 cm Panjang bandul Time taken = 18 seconds Masa yang diambil

The length of pendulum = 45 cm The length of pendulum = 60 cm Panjang bandul Panjang bandul

Time taken = _______ seconds Masa yang diambil

Time taken = ________ seconds Masa yang diambil

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18

18

The length of pendulum = 75 cm Panjang bandul Time taken = ________ seconds Masa yang diambil

The length of pendulum = 90 cm Panjang bandul Time taken = ________ seconds Masa yang diambil [2 marks]

Diagram 8.2

Rajah 8.2

(c) Based on Diagram 8.2, record the readings of the stop watch in Table 8.1. Berdasarkan Rajah 8.2, rekodkan bacaan jam randik di dalam Jadual 8.1

Length of pendulum (cm) Panjang bandul (cm) 0 15 30 45 60 75 90

Time taken for ten complete swings (s) Masa diambil untuk sepuluh ayunan lengkap (s)

0

9 18

Table 8.1

Jadual 8.1

[1 mark]

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19

19

(d) Draw a graph to show the time taken for ten complete swings against the length of

the pendulum. Lukiskan graf untuk menunjukkan masa yang diambil untuk sepuluh ayunan lengkap melawan dengan panjang bandul.

Tim

e ta

ken

for t

en c

ompl

ete

swin

gs (s

) M

asa

dia

mbi

l unt

uk se

pulu

h ay

unan

leng

kap

(s)

Length of pendulum (cm) Panjang bandul (cm)

[3 marks]

State the relationship between the time taken for ten complete swings and the length of the pendulum.

(e)

Nyatakan hubungan antara masa yang diambil untuk sepuluh ayunan lengkap dan panjang bandul. ----------------------------------------------------------------------------------------------- -----------------------------------------------------------------------------------------------

[1 mark]

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20

20

(f) What is your inference about the results of this experiment? Apakah inferens anda tentang keputusan eksperimen ini?

----------------------------------------------------------------------------------------------- [1 mark]

(g) Predict the time taken for ten complete swings if the length of the pendulum is 50 cm. Ramalkan masa yang diambil untuk sepuluh ayunan lengkap untuk bandul yang panjangnya 50 cm. -----------------------------------------------------------------------------------------------

[1 mark]

(h) Based on Diagram 8.1, define operationally “time taken for ten complete swings.” Berdasarkan Rajah 8.1, definisikan secara operasi “masa yang diambil untuk sepuluh ayunan lengkap.” -----------------------------------------------------------------------------------------------

[1 mark]

END OF QUESTION PAPER KERTAS SOALAN TAMAT

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Answers for Paper 1 (Peperiksaan Percubaan Science PMR 2009)

1 B 11 A 21 D 31 B

2 B 12 D 22 D 32 D

3 A 13 D 23 B 33 A

4 B 14 D 24 D 34 B

5 C 15 D 25 A 35 C

6 B 16 A 26 B 36 A

7 A 17 C 27 D 37 B

8 C 18 A 28 D 38 A

9 C 19 B 29 A 39 C

10 D 20 B 30 B 40 B

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55 / 2 Lihat sebelah

SULIT

1

PERCUBAAN PMR 2009

MARKING SCHEME

SUBJECT CODE 55 / 2

SUBJECT SCIENCE

PAPER TWO

QUESTION

SOALAN

ANSWER IN ENGLISH VERSION /

JAWAPAN DALAM VERSI BAHASA MELAYU

MARK

MARKAH

1 (a)

(b)

(c)

Students should be able to label the parts of the heart in Diagram 1 correctly;

P : Pulmonary vein

Vena Pulmonari

Q : Tricuspid valve

Injap tricuspid

R : Left ventricle

Ventrikel kiri

Students should be able to state the function of part P.

P carries oxygenated bloods from the lungs to the left atrium // carries blood

from the lung to the heart.

P membawa darah beroksigen dari paru-paru ke atrium kiri // Membawa

darah beroksigen dari paru-paru ke jantung

Students should be able to state the parts that ensures blood flows in one

direction only.

Q / tricuspid valve / bicuspid valve / semilunar valve

Inja Q/ injap tricuspid / injap bicuspid / injap semilunar

1

1

1

1

1

Total 5

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SULIT

2

QUESTION

SOALAN



MARK

MARKAH

2 (a)

(i)

(ii)

(iii)

A student should be able to answer correctly;

Carbon dioxide / karbon dioksida

Acidic / berasid

Sodium hydroxide solution / larutan natrium hidroksida

1

1

1

(b)

(i)

(ii)

A student should be able to state

Carbon dioxide // dust // sulphur dioxide //lead particles // carbon

monoxide // nitrogen dioxide // smoke soot // haze //oxides of nitrogen//

CFC // nicotine tar // tobacco tar // chemicals such as pesticides and

DDT Karbon dioksida // debu // sulfur dioksida // zarah-zarah plumbum //

karbon monoksida // nitrogen dioksida // jelaga asap // jerebu //

nitrogen oksida // CFC // tar nikotin // tar tembakau // bahan kimia

seperti racun perosak dan DDT

Ban open burning / Melarang pembakaran terbuka

Recycle / Kitar semula

Avoid using CFC based products / Mengelakkan penggunaan bahan-

bahan berasas CFC

Use unleaded petrol / Guna petrol tanpa plumbum

Car pool / Berkongsi kereta

Walk or cycle / Berjalan atau mengayuh basikal

Replant trees / Menanam semula pokok

Use less electricity / Guna kurang tenaga electrik

1

2

TOTAL 6

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SULIT

3

QUESTION

SOALAN



MARK

MARKAH

3 (a)

(i)

(ii)

(iii)

(iv)

Students will be able to name the producer and tertiary consumer, construct

food chain and explain what happen to the ecosystem if all snakes died.

Producer: Maize

Pengeluar : Jagung

Tertiary consumer : Eagle

Pengguna tertiary : Helang

Maize Rat Snake Eagle

Jagung Tikus Ular Helang

There are many answers

Terdapat beberapa jawapan

1

1

1

1

(b)

(i)

(ii)

A student should be able to answer correctly;

4

The Sun

Matahari

1

1

TOTAL 6

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SULIT

4

QUESTION

SOALAN



MARK

MARKAH

4 (a)(i) A student should be able to name the gas in test tube P;

Oxygen / oksigen

1

(a)(ii) A student should be able to suggest a test to determine the gas collected in

test tube Q .

A ‘pop’ sound is heard when a lighted wooden splinter is inserted into the

test tube.

Bunyi ‘pop’ kedengaran apabila kayu uji menyala dimasukkan ke dalam

tabung uji.

1

(b) A student should be able to give one use of the gas accumulated in test tube

Q;

Fuel for rocket // Used in weather balloons

Bahan api untuk roket // Digunakan dalam belon cuaca

1

(c) A student should be able to give one reason of adding the dilute sulphuric

acid to the distilled water;

To increase the conductivity of electricity in distilled water.

Menambahkan pengaliran electrik dalam air suling.

1

(d)

(i)

(ii)

A student should be able to state the answers correctly ;

A compound

Sebatian

Because a molecule of water is made up of 1 atom of oxygen and 2

atoms of hydrogen // Because a molecule of water is made up of two

types of atoms which are chemically combined.

Kerana satu molekul air terdiri daripada 1 atom oksigen dan dua

atom hydrogen // Kerana satu molekul air terdiri daripada dua atom

yang digabungkan secara kimia.

1

1

TOTAL 6

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SULIT

5

QUESTION

SOALAN



MARK

MARKAH

5 (a)

(i)

A student should be able to draw arrows, correctly;

1

(ii) A student should be able to state correctly;

Convection / perolakan

1

(iii) Hot water rises when heated, cool water sink to the bottom // when

water is heated it expands and becomes less dense. The hot water moves

upwards. Cold and denser water moves downwards to take its place.

Air panas naik ke atas apabila dipanaskan, air sejuk tenggelam ke

bawah // Apabila air dipanaskan, ia mengembang dan menjadi kurang

tumpat// Air panas bergerak ke atas // Air sejuk dan lebih tumpat

bergerak ke bawah untuk mengambil alih tempatnya .

2

(iv) A student should be able to answer correctly;

Ventilation of building / car radiator / air conditioner / refrigerator /

electric kettle

Pengudaraan dalam bangunan / radiator kereta / penghawa dingin /

cerek elektrik

1

(b)

(i)

(ii)

(iii)

A student should be able to state correctly;

Conduction of heat

Pengaliran haba / Konduktor haba

Material : metals(name of other metals) / nama logam

Reason: Metals are good conductor of heat / Logam adalah

pengalir/konduktor haba yang baik

1

2

TOTAL 8

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SULIT

6

QUESTION

SOALAN



MARK

MARKAH

6 (a)

(i)

(ii)

A student should be able to state the source of energy used for

generating electrical energy;

Diagram 6.1 - Used water / Guna air

Diagram 6.2 - Used fossil fuel/ Guna bahan api fossil

To turn the dynamo / generator // To rotate the dynamo to produce

electricity

Memutarkan dynamo / janakuasa // memutarkan dynamo untuk

menghasilkan elektrik.

2

1

(b)

(i)

(ii)

A student should be able to state the type of transformer and give

reason;

A step-up transformer

Transformer injak naik

To reduce the amount of heat lost // To reduce the lost of electrical

energy.

Untuk mengurangkan kehilangan haba // Untuk mengurangkan

kehilangan tenaga elektrik

1

1

(c)

(i)

(ii)

(iii)

A student should be able to answer as following;

Step-up transformer

Transformer injak naik

M2

40 volts

Input voltage = Primary coil

Output voltage Secondary Coil

[must show working – 1 mark]

[Answer correct with unit – 1 mark]

1

1

2

TOTAL 9

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SULIT

7

QUESTION

SOALAN



MARK

MARKAH

7

(a )

A student should be able to state one characteristic of each flower P, Q,

R and S, based on observation :

P: small petal/stigma and anther hang outside the flower / long

filament/ big anther / featherly stigma

Q: Big petal / Stigma and anther are inside the flower / short filament,

small anther.

R: Big petal / Stigma and anther are inside the flower / short filament,

small anther.

S: small petal/stigma and anther hang outside the flower / long

filament/ big anther / featherly stigma

1 for

every

characteris

tic

( max. 4 )

4

7 (b)

A student should be able to classify P, Q, R, and S into two groups,

based on common characteristics

2

2

TOTAL 8

P, Q, R, S

Q, R

P, S

1. Long filament

2. Big anther

3. Small petals

4. Featherly stigma

5. Stigma & anther

are hung outside

the flower

1. Short filament

2. Small anther

3. Big petals

4. Non-featherly

stigma

5 Stigma & anther

are hung inside

the flower

Letters of the

flowers

Huruf-huruf

bunga

Common

characteristic

Ciri sepunya

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SULIT

8

QUESTION

SOALAN



MARK

MARKAH

7

(a )

Pelajar sepatutnya boleh menyatakan satu ciri bagi setiap bunga P,

Q, R and S, berdasarkan kepada pemerhatian:

P: ranggi kecil/stigma dan anter bergantung di luar bunga / filament

panjang/ big anter / stigma berbulu

Q: ranggi besar / Stigma dan anter are inside the berada dalam bunga

/ filament pendek/ anter kecil.

R: ranggi besar / Stigma dan anter are inside the berada dalam bunga

/ filament pendek/ anter kecil.

S: ranggi kecil/stigma dan anter bergantung di luar bunga / filament

panjang/ big anter / stigma berbulu

1 for

every

characteris

tic

( max. 4 )

4

7 (b)

Pelajar sepatutnya boleh mengelaskan P, Q, R, and S into two

groupskepada dua kumpulan,berdasarkan kepada ciri sepunya.

2

2

TOTAL 8

P, Q, R, S

Q, R

P, S

1. Filamen panjang

2. Anter besar

3. Ranggi kecil

4. Stigma berbulu

5. Stigma & anter

Tergantung di

luar bunga

5. Filamen pendek

6. Anter kecil

7. Ranggi besar

8. Stigma tidak

berbulu

6 Stigma & anter

Tergantung di

dalam bunga

Huruf-huruf

bunga

Ciri sepunya

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SULIT

9

QUESTION

SOALAN



MARK

MARKAH

8 (a)

(i)

(ii)

A student should be able to state the following variables;

Manipulated variable: Length of pendulum / string

Pemboleh ubah yang dimanipulasikan: Panjang bandul / benang

Responding variable: Time taken for ten complete swings

Pembolehubah variable: Masa diambil untuk 10 ayunan lengkap

1

1

(b)

(i)

(ii)

(iii)

(iv)

27 seconds

36 seconds

45 seconds

54 seconds

2

(c)

A student should be able to record the readings of the stop watch in

Table 8.1;

Length of pendulum(cm)

Panjang bandul (cm)

0 15 30 45 60 75 90

Time taken for ten complete

swings(s)

Masa diambil untuk sepuluh

ayunan lengkap(s)

0

9

18

27

36

45

54

1

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SULIT

10

QUESTION

SOALAN



MARK

MARKAH

(d)

Plot the graph – 1 mark

2 marks

(All points correct - 2 marks)

IF only

(3 points correct 1 mark)

3

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SULIT

11

QUESTION

SOALAN



MARK

MARKAH

8 (e)

A student should be able to state the relationship between the time taken

for ten complete swings with its length;

As the length of pendulum increases, the time taken for ten complete

swings increases // The longer the pendulum, the longer the time taken

for ten complete swings // the shorter the length of pendulum, the

shorter the time taken for ten complete swings.

Apabila panjang bandul bertambah, masa diambil untuk 10 ayunan

lengkap juga bertambah // Semakin panjang bandul, semakin lama

masa diambil untuk 10 ayunan lengkap // Semakin pendek bandul,

semakin pendek masa diambil untuk 10 ayunan.

1

(f) A student should be able to give inference about the result of the

experiment;

The time taken for ten complete swing is affected by the length of the

pendulum // The time taken for ten complete swings depends on the

length of pendulum// The length of pendulum influences the time taken

for ten complete swings

Masa yang diambil untuk 10 ayunan lengkap dipengaruhi oleh panjang

bandul // Masa yang diambil untuk 10 ayunan lengkap bergantung

kepada panjang bandul // Panjang bandul memepnegaruhi masa yang

diambil untuk 10 ayunan lengkap.

1

(g) A student should be able to predict the time taken for ten complete

swings, if the length of the pendulum is 50 cm;

30s

1

(h)

Students should be able to define operationally, “time taken for ten

complete swing.”

Students must write the answer beginning with “the operational

definition for time taken is the reading of the stop watch .”

Calon mesti menulis jawapan bermula dengan “definasi secara operasi

bagi masa yang diambil adalah bacaan jam randik untuk sepuluh

ayunan.”

1

TOTAL 12

papercollection

SULIT 55/2


SULIT

12

papercollection

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