Pmr Sebenar Paper1 2007

Time: One hour

PAPER 1 [40 marks]

Instruction: .Answer all questions. Each question is followed by four choices of answers. Choose the best answer for every question. 1

Which of the following phenome:>non?

is a natural

The smallest cell in the human body Sel terkecil dalam badan manusia

Antara yang berikut, yang manakah fenomena semula jadi?

A

Can move by itself Boleh bergerak sendiri

Dam construction Pembinaan empangan

B

Which of the following cells is described by the statements?

Growth of a baby Pertumbuhan

C

bayi

Antara sel berikut, yang manakah diperihalkan oleh pernyataan itu?

Uses of mobile phone Penggunaan

D

telefon bimbit

A

Discovery of new medicines Penemuan ubat-ubatan baru

2

B

Quantity

12 6 of metal bobs

Volume/cm3 Isipadu/cm3

ladung logam 2

Sperm cell Sel sperma

Table 1 shows the volumes of different quantities of metal bobs, found using the water displacement method. Jaduall menunjukkan isipadu bagi ladung logam yang bilangannya berbeza menggunakan kaedah sesaran atr.

Ovum cell Selovum

C

o

Red blood cell Sel darah merah

White blood cell Sel darah putih

4

Diagram 1 shows organisms.

four types

Rajah 1 menunjukkan organzsma.

empat

of microjenis

mikro-

...

qy .:.:.:.''.:" . . ..

Table 1 Jaduall

Predict the volume of 5 metal bobs. Ramalkan isipadu bagi A 3 cm3 B 9 cm3

5 ladung logam.

Klamidomonas

C 15 cm3

o 3

18 cm3

The following are statements about an animal cell. Berikut adalah pernyataan berkaitan dengan satu sel haiwan.

Amoeba

Chlamydomonas

Ameba

~..~~' .. ..,~;.* '.<:>'~'."

~

..

Paramecium

Spirogyra

Paramesium

Spirogira

Diagram 1 Rajah

1

Which of the following microorganisms? Antara yang berikut, organisma unisel?

A

yang

o o

are unicellular manakah

mikro-

Amoeba, Paramecium and Spirogyra' Ameba, Paramesium dan Spirogira

B

Spirogyra, Amoeba and Chlamydomonas Spirogira, Ameba dan Klamidomonas

C

Chlamydomonas, Paramecium Klamidomonas,

D

Amoeba

and

Ameba dan Paramesium

Paramecium, Chlamaydomonas

Spirogyra

y

and

Diagram 2

Paramesium, Spirogira dan Klamidomonas

5

Rajah 2

Table 2 shows four subtances with different densities.

Which of the following statements is true about the particles as the matter changes from state X to state Y?

Jadual2 menunjukkan empat bahan yang berlainan ketumpatan.

Substances

Antara pernyataan berikut, yang manakah benar ten tang zarah-zarah apabila jirim berubah daripada keadaan X kepada keadaan Y?

Density/g Ketumpatan/g 0·9 0·8 7·9 13·6 cm-3

Iron Oil Mercury

A

The kinetic decreases

energy

of the particles

B

The distance between become far apart

Tenaga kinetik zarah-zarah berkurangan

Jarak di antara zarah-zarah jauh

the particles menjadi lebih

C

The particles container

take the shape

D

The size of the particles increases

of the

Zarah-zarah mengikut bentuk bekas

Table 2

Saiz zarah-zarah bertambah

Jadual2

7 Given that the density of water is 1·0 g cm-3, which substances can float on water? Oiberi bahawa ketumpatan air ialah 1·0 g cm-3,

P, Q and R are steps to separate a mixture of sand and salt. P, Q dan R adalah langkah-langkah untu~ mengasingkan

campuran pasir dan garam ..

bahan yang manakah boleh terapung di atas air?

A

Ice and oil

I:l w I:l L:J-~-~-

Ais dan minyak

B

Salt is left in dish evaporating the

Ice and iron

Garam ditinggalkan di dalam mangkuk sejat

Ais dan besi

C

Oil and mercury Minyak dan merkuri

D

Iron and mercury

Which of the following correctly represent P, Q and R?

Besi dan merkuri

6

Antara yang berikut, yang manakah mewakili P, Q dan R dengan betul?

Diagram 2 shows matter in state X changing to state Y when heat is released. Rajah 2 menunjukkan jirim dalam keadaan X berubah kepada keadaan Y apabila haba dibebaskan. 127

p

nran A an uran

larutan R larutkan Filter the garam. solution Turaskan Stir and dan Kacau dissolve mixture S tir salt garam the Q Sejatkan Evaporate

Which energy change takes place when the wound-up spring is released?

larutan garam

Apakah perubahan tenaga yang berlaku apabila spring yang diputar itu dilepaskan?

A

Kinetic energy Tenaga kinetik

B

Tenaga bunyi

B

Potential energy Tenaga keupayaan -

Tenaga bunyi

C

Kinetic energy

Potential energy

Tenaga kinetik

D

-

Tenaga keupayaan

Kinetic energy

Tenaga keupayaan -

Tenaga kinetik

Rumah-rumah putih untuk

A

Sound energy

Potential energy

10 Houses in tropical painted white to

c

Sound energy -

countries

are usually

di negara tropika biasanya dicat

absorb heat menyerap haba

B

radiate heat menyinar haba

D

C

detect heat

D

reflect heat

mengesan haba memantul haba

11 Diagram 4 shows a fire alarm system. What are the products candle?

of combustion

Rajah 4 menunjukkan kebakaran.

of a

sistem

penggera

Apakah hasil pembakaran lilin?

Bimetallic strip

A

falur dwilogam

Nitrogen and oxygen Nitrogen dan oksigen

B

Water vapour and oxygen

C

Nitrogen and carbon dioxide

Wap air dan oksigen

Bell

D

Contact screw

Loceng

Nitrogen dan karbon dioksida

Skru sentuh

Water vapour and carbon dioxide Wap air dan karbon dioksida

Diagram 3 shows a wound-up spring toy car. Rajah 3 menunjukkan kereta mainan berspring yang diputar.

Spring winder Pemutar spring

Diagram 4 Rajah 4

Diagram 3 Rajah 3 128

Masa yang diambil untuk dicatatkan dalam Jadual 3.

P, Q Rand S are steps by which of the alarm works. P, Q, R dan S adalah langkah-Iangkah bagaimana Masa/s berfungsi. penggera tersebut Paku tack tekan diat PP

paku tekan jatuh

ThumbPaku 210 90 at tekan tack atdiQ RR Thumbtake tekan 150 di Q

Time/s

P - Bimetallic strip expands and bends Jalur dwilogam membengkok

mengembang

dan

Q - Bimetallic strip touches the contact screw and the circuit is complete Jalur dwilogam menyentuh melengkapkan litar

Table 3 Jadual3

skru sentuh dan

Which of the following shows the metals in ascending order of their conductivity of heat?

R - The fire increases the room temperature Api meningkatkan

suhu bilik

S - The fire alarm bell rings

Antara yang berikut, yang manakah menunjukkan kedudukan logam-Iogam itu dalam urutan menaik kekonduksian haba?

Loceng penggera kebakaran berbunyi

A B

Choose the correct sequence of steps to make the alarm works. Pilih urutan langkah-Iangkah yang betul untuk membuat penggera itu berfungsi.

QR,P R,QP

C D

P,Q,R Q,P,R

13 Which of the following sensory organs can detect touch, pain and pressure?

AR~P~Q~S B P~Q~R~S CR~Q~P~S D P~R~Q~S

Antara organ deria berikut, yang manakah boleh mengesan sentuhan, kesakitan dan tekanan?

A

Eyes Mata

B

12 Diagram 5 shows the heating of three metal rods, P, Q and R. A thumb-tack is attached at the end of each rod by a layer of plasticine. Rajah P,

Hidung

C

Ears

D

Skin

Telinga

5 menunjukkan pemanasan tiga rod logam,

Q dan

Nose

Kulit

R.

Satu paku tekan dilekatkan pada hujung setiap rod menggunakan plastisin.

14 The calorific value of rice is 15 kJ / g. Calculate the calorific value in 100 g of rice. Nilai kalori bagi nasi ialah 15 kJ / g. Hitung nilai kalori untuk 100 g nasi. A 15 kj C 1 500 kj B 30 kj D 3 000 kj

p Q R

15 Which of the following blooded?

animals

are cold-

Antara haiwan berikut, yang manakah berdarah sejuk? Heat Panaskan

A

Pigeon, Elephant, Frog

B

Gold fish, Snake, Frog

Burung merpati, Gajah, Katak Ikan emas, War, Katak

Diagram 5 Rajah 5

C

Elephant, Pigeon, Frog

D

Pigeon, Gold fish, Snake

Gajah, Burung merpati, Katak

The time taken for the thumb-tacks to drop is recorded in Table 3.

Burung merpati, lkan emas, War

129

16 Table 4 shows the masses of four students. The students climb up the stairs to different heights. Jadual 4 menunjukkan murid.

Antara yang berikut, yang manakah menunjukkan kesan kepada habitat itu jika semua ular dalam habitat tersebut dibunuh?

A

jisim bagi empat orang

Frog Katak

Murid-murid tersebut memanjat tangga dengan ketinggian yang berbeza.

Student

2·5 42 80 4·5 63 of tangga/m 54 50 Jisim/kg Mass/kg Ketinggian Height stairs/m

Leaves Daun B

Table 4

Leaves

Jadual4

Daun

Arrange the four students in ascending order starting from the one with the least work done.

C

Frog Katak

----,

Caterpillar

Susun empat orang murid itu mengikut susunan menaik bermula daripada yang melakukan kerja paling kurang.

A

Beluncas

P, S, Q R

B R,QP,S D D

P, Q S, R S, P, R, Q

17 Diagram habitat.

D

Frog Katak

6 shows a pyramid

number

in a

Rajah 6 menunjukkan piramid nombor dalam suatu habitat.

18 The following is a list of organisms. Berikut adalah senarai beberapa organisma.

Rat / Tikus Paddy / Padi Caterpillar / Beluncas Cobra / War senduk Sparrow / Pipit Eagle / Helang

Leaves Daun

Diagram 6 Rajah 6

Choose a correct organisms.

Which of the following shows the effect on the habitat if all the snakes in the habitat are killed?

food

web for these

Pilih jaringan makanan yang berul bagi organisma tersebut.

130

•

•

Rat A Diagram 7 shows •»processes P, Q, Rand S that Sparrow Caterpillar --------------Rat Caterpillar Sparrow berlaku dalam kitar karbon. Padi Tikus Beluncas Karbon dioksida di atmosfera Pipit occur in the carbon cycle. casRajah 7 menunjukkan proses P, Q, R dan S yang Carbon dioxide in the atmosphere

Sparrow _ -----------..Eagle

Pipit

Cobra~

~Helang

War senduk

Cobra War senduk ~Eagle

Sparro~

~Helang

Pipit

Cobra War senduk

~Eagle Caterpillar ~

Helang

Beluncas

Cobra War senduk ~Eagle

Rat Tikus

~Helang

Which of the following are involved in the production and absorption of carbon dioxide? Antara yang berikut, yang manakah terlibat dalam penghasilan dan penyerapan karbon dioksida?

Produce carbon karbon dioxide dioksida Menghasilkan Q,P,QS R,SS P,Q R, R

A B C

D

Death and decay Mati dan reput

Diagram 7 Rajah 7

131

dioxide P Absorb carbon R karbon dioksida Q,P R,S Menyerap

20

Diagram 8 shows two methods, P and Q, of water purification. Rajah 8 menunjukkan dua kaedah, P and Q, untuk pembersihan air.

SOmJi

40m(i

Water Air

Muddy water Air lumpur

~ First day

After three day

Hari pertama

Selepas tiga hari

Diagram 9 Rajah 9 After three days, the water level in the beaker decreases. P

Why does this happen? Selepas tiga hari, aras' air di dalam bikar berkurangan. Mengapakah ini berlaku? A Water molecules lose heat and turn into solid

Q

Diagram 8 Rajah 8 What is the reason for using methods P and Q? Apakah alasan menggunakan kaedah P dan kaedah Q?

p

arna ndasing diment ladak soluble remove engeluarkan engasingkan enghilangkan purities pejal tak solids larut remove colourA

Molekul air kehilangan haba dan bertukar kepada pepejal Water molecules absorb heat and turn

B

Membunuh To kill warna Membunuh remove mikrocolour mikroQ Menghilangkan impurities Mengeluarkan bendasing organzsma microoganisms microorganisms

C

organzsma To remove

D B

c

into gas Molekul air menyerap haba dan bertukar kepada gas Water molecules lose energy and turn into gas Molekul air kehilangan tenaga dan bertukar kepada gas Water molecules vibrate in a fixed position and turn into gas Molekul air bergetar di tempat yang tetap dan bertukar kepada gas

22 Diagram water.

10 shows a syringe

used to-transfer

Rajah 10 menunjukkan picagari yang digunakan untuk memindahkan air.

D

Piston Omboh

Syringe Picagari

Water level

21 Diagram

9 shows a beaker of water left on a table in the laboratory for three days. Rajah 9 menunjukkan sebuah bikar berisi air ditinggalkan di atas meja dalam makmal selama tiga hari.

Aras air

Water Air

------------ - - - - -- - - - - -- ------------ - - - - - - - - - -- _w- - - - - - - - ~ -- - - - - - - - - - - - - - - _

Diagram 10 Rajah 10 132

Beakel Bikar

Why does the water enter the syringe when the piston is pulled up?

24 Diagram

12 shows a support system of an insect. Rajah 12 menunjukkan sistem sokongan bagi seekor

Mengapakah air masuk ke dalam picagari apabila omboh ditarik ke atas?

A

serangga.

The air pressure outside and inside the syringe is the same Tekanan udara di luar dan di dalam picagari adalah sama

B

The water pressure inside the beaker and inside the syringe is the same Tekanan air di dalam bikar dan di dalam picagari adalah sama

C

o

Diagram 12

The air pressure outside the syringe is less than the air pressure inside the syringe

Rajah 12

Tekanan udara di luar picagari adalah lebih rendah daripada tekanan udara di dalam picagari

What supports the insect's body? Apakah yang menyokong badan serangga itu?

A

The air pressure outside the syringe is higher than the air pressure inside the syringe

Rangka luar

B

Endoskeleton Rangka dalam

Tekanan udara di luar picagari adalah lebih tinggi daripada tekanan udara di dalam picagari

water placed upside down on a plastic cover. The water remains in the glass. From which direction A, B, C or 0, does the air pressure acts so that the water does not spill?

Exoskeleton

C

o

Segmented abdomen Abdomen bersegmen

Hydrostatic skeleton Rangka hidrostatik

23 Diagram 11 shows a glass containing

25

Diagram 13 shows four models, W, X, Y and

z.

Rajah 13 menunjukkan Y dan Z.

Rajah 11 menunjukkan sebiji gelas berisi air ditelangkupkan di atas sekeping penutup plastik. Air kekal di dalam gelas itu. Antara arah A, B, C dan 0 dari manakah tekanan udara bertindak supaya air tidak tumpah?

empat buah model, W, X,

x

A

Water Air

! Glass

Diagram 13 Rajah 13

Gelas

Which of the following shows the correct arrangement of the models in ascending order of stability? Plastic cover

Antara susunan model berikut, yang manakah betul mengikut kestabilan secara urutan menaik?

Penutup plastik

A B C

Diagram 11

o

Rajah 11

133

Z,X, Y, W Z, Y, X, W Y, W,Z, X X, Z, W, Y

26

Diagram 14 shows the position of a worker's hands lifting sand using a spade. Rajah 14 menunjukkan kedudukan tangan seorang pekerja ketika mengangkat penyodok.

Which of the following statements is correct about the effort that was used? Antara pernyataan berikut, yang manakah betul mengenai daya yang digunakan?

pasir menggunakan

A

P needs less effort than Q to pull out the nail P perlu daya yang kurang daripada Q untuk

B

Q needs less effort than P to pull out the nail

mencabut paku

Q perlu daya yang kurang daripada P untuk mencabut paku

C Diagram 14 Rajah 14

Jarak paku dari fulkrum daya yang digunakan

What should the worker do in order to lift the sand using his minimum force?

D

Apakah yang perlu dilakukan oleh pekerja itu untuk mengangkat pasir dengan menggunakan daya yang minimum?

A

Move both hands to P

28

Move the right hand to Q and the left hand to S Gerakkan kiri ke S

C

Move the left hand to S without changing the position of the right hand Gerakkan tangan kiri ke S tanpa mengubah

Oksihemoglobin dan hemoglobin

Nail Paku

diuraikan menjadi oksigen

L - Oxygen diffuses through alveoli into the blood capillaries Oksigen meresap melalui alveoli ke dalam kapilari darah

Diagram 15 shows a nail being pulled out using tools, P and Q. Rajah 15 menunjukkan sebatang paku dicabut dengan menggunakan alat P dan alat Q. Nail

are about the in the human

K - Oxyhemoglobin breaks into oxygen and hemoglobin

Move the left hand to R without changing the position of the right hand

Paku

statements of oxygen

daya

Pernyataan berikut adalah berkaitan pengangkutan oksigen dalam badan manusia:

tangan kanan ke Q dan tangan

Gerakkan tangan kiri ke R tanpa mengubah kedudukan tangan kanan 27

If the distance of effort is nearer to the fulcrum, the effort used will decreased

The following transportation body.

kedudukan tangan kanan

D

tidak mempengaruhi

Jika jarak daya dekat dengan fulkrum, yang digunakan akan berkurang

Gerakkan kedua-dua tangan ke P

B

The distance of the nail from the fulcrum does not influence the effort used

M - Oxygen combines with hemoglobin form oxyhemoglobin Oksigen bergabung dengan membentuk oksihemoglobin

hemoglobin

N - Oxyhemoglobin is transported parts of the body Oksihemoglobin bahagian badan

diangkut

to

to all

ke seluruh

Q

Which of the following is the correct sequence of the transportation? Antara yang berikut, yang manakah urutan yang betul bagi pengangkutan itu?

A B C D

Diagram 15 Rajah 15 134

M,K, L,N K, L, M, N N,K, L,M L,M,N,K

29

o

Diagram 16 shows the blood circulatory system in the human body. Rajah 16 menunjukkan sistem peredaran darah

Deoxygenated blood flows from the lungs to the heart and to all parts of the body Darah terdeoksigen mengalir dari peparu ke jantung dan ke seluruh bahagian badan

dalam badan manusia. Lungs

30

Peparu

Diagram 17 shows the human urinary system. Rajah 17 menunjukkan sistem urinari manusia.

Heart

x

Jantung

Body Badan

Diagram 16

Diagram 17

Rajah 16

Rajah 17

What is the function of X?

Which of the following statements is true about oxygenated and deoxygenated blood?

Apakah fungsi X?

A

Antara pernyataan berikut, yang manakah benar ten tang darah beroksigen dan darah terdeoksigen?

A

Darah terdeoksigen mengalir ke se/uruh bahagian badan

B

B

Deoxygenated blood flows from the heart to all parts of the body

C

Oxygenated blood flows from the lungs to the heart and to all parts of the body

darah yang mengandungi

o

karbon diaksida dan air dari

Brings blood containing waste products to the kidney Membawa darah yang mengandungi buangan ke ginjal

ke

bahan

Removes carbon dioxide and water from the body Menyingkirkan badan

Oxygenated blood flows from the heart to the lungs and to all parts of the body Darah beroksigen mengalir dari jantung peparu dan ke seluruh bahagian badan

Filters the blood which contains waste products

Menapis buangan

dari jantung

Darah beroksigen mengalir dari peparu ke jantung dan ke seluruh bahagian badan

C

Carries urine to the urinary bladder Membawa air kencing ke pundi kencing

31 Diagram 18 shows a machine used by a patient with malfunction of both kidneys. Rajah 18 menunjukkan mesin yang digunakan aleh searang pesakit yang kedua-dua ginjalnya berfungsi. -

bahan

tidak

Dialysing fluid in Cecair dialisis masuk

Partially permeable membrane Membran separa telap

:~

Blood clot and bubble trap

Dialysing fluid out Cecair dialisis keluar

Perangkap darah beku dan buih

Diagram 18 Rajah 18 135

What is the function of this machine?

33 Diagram growth.

Apakah fungsi mesin ini?

A

To filter urea from the kidney

C

graf

of human lengkungan

To filter water from the blood Menapis air dari darah

Height/cm

To filter protein kidney

Tinggi/cm

and glucose from the

I I I I

Menapis protein dan glukosa dari ginjal

D

a curve

Rajah 19 menunjukkan pertumbuhan manusia.

Menapis urea dari ginjal

B

19 shows

I

To filter urea and mineral salts from the blood

s

R

Menapis urea dan garam mineral dari darah

p

32 Which of the following pairs are correct methods of birth control for a male and a female? Antara padanan berikut, yang manakah betul untuk mencegah kehamilan bagi seorang lelaki dan seorang perempuan?

4

8

12

16

20

Male

Lelakitie Potong Guna kaedah dan ikat ritma method dukfus sperma pil hormon pills Guna sperm diafragma duct t Ambil Take and hormone the Use rhythm

A

24

28

Age/year

cream krim Guna IUCD Female Cut ruCD and the Use Take birth control Perempuan spermisid fallopian tubes Ambil pil tie pencegah Use pills spermicide kehamilan falopio Po tong dan ikat hub Use diaphragm

Umur/tahun

Diagram 19 Rajah 19

Which parts show the most rapid growth? Di bahagian manakah menunjukkan yang paling pesat?

B

A B

C

C D

D

Q and R Q dan R Q and S Q dan S P and S P dan S P and R P dan R

34 Diagram 20 shows p, Q and R using the product of petroleum. Rajah 20 menunjukkan

'P

P,

Q dan R yang menggunakan hasil petroleum.

Q

Diagram 20 Rajah 20 136

R

pertumbuhan

32

Which of the following shows the correct petroleum products used by P, Q and R?

P A

--0-0---u-

Antara yang berikut, yang manakah menunjukkan penggunaan hasil petroleum yang betul bagi P, Q 1111dan R? P

han oil api A uel

--0-0---u-0--01111S R Q

B

Diesel Kerosine R Fuel D ieseloil Kerosin Kerosin Diesel Q Minyak

c

bahan api Diesel

D B

36 Diagram 23 shows a circuit where one of the bulbs has fused. This will prevent the other three bulbs from lighting up.

c

Rajah 23 menunjukkan sebuah /itar dengan keadaan satu daripadamentol itu telah terbakar. Ini akan menghalang tiga mentol yang lain daripada menyala.

D

35 Diagram 21 shows four symbols for a circuit diagram. Rajah 21 menunjukkan rajah /itar.

empat simbol bagi suatu

N 1L -./ Rajah 23 ~ Diagram 23

( :JJM

rL

K

Diagram 21 Rajah 21

Diagram 22 shows a complete circuit. Rajah 22 menunjukkan

satu /itar lengkap.

Which bulb shown in the circuit is fused? Mentol yang manakah dalam /itar itu yang telah terbakar?

A K B

L

C D

M N

37 A balloon which has been rubbed with a piece of cotton cloth is attracted to a positively charged ruler. Diagram 22

Satu belon yang telah digosok dengan sehelai kain kapas tertarik kepada pembaris yang mempunyai cas positif.

Rajah 22

This situation occurs because the balloon

Which combination of the symbols would be the most suitable to measure the resistance of a bulb in the complete circuit in Diagram 22?

Keadaan ini berlaku kerana belon itu

A

Kombinasi simbol yang manakah paling sesuai digunakan untuk mengukur rintangan sebuah mentol dalam /itar lengkap pada Rajah 22?

releases negative charges membebaskan cas negatif

B

receives negative charges menerima cas negatif

137

C has the same positive charges as the ruler mempunyai

cas positif yang sama dengan pembaris

D has more positive charges than the ruler mempunyai

lebih cas positif daripada pembaris

38 Diagram 24 shows an electrical energy transmission and distribution system from a power station to industrial, town and residential areas. Rajah 24 menunjukkan satu sistem penghantaran dan pengagihan tenaga elektrik dari satu stesen kuasa ke kawasan industri, bandar dan perumahan. 275 kV or 500 kV 275 kV atau 500 kV

Power station Stesen kuasa

Town Bandar

Light industries lndustri ringan

National grid Grid nasional

Residential areas Kawasan perumahan

240 V

Substation Pencawang

Main substation Pencawang utama

Diagram 24 Rajah 24

The decreases of voltage are done Penurunan

39 Which of the following occur in the core of the Sun?

voltan dilakukan

A because it depends on different values of current

Antara yang berikut, yang manakah berlaku di teras Matahari?

A Bright light is formed

kerana ia bergantung kepada perbezaan nilai arus

Cahaya yang terang terbentuk

B because the main substation can accept only 33 kV

B Projection of gases is formed Pancutan gas terbentuk

C Hydrogen atoms fuse to form a helium atom

kerana pencawang utama mampu menampung voltan sebanyak 33 k V sahaja

C due to the differentrequirements of energy by the industries and the residential areas

Atom hidrogen helium

melakur

membentuk

atom

D Charged particles and electromagnetic waves are released

berdasarkan keperluan tenaga yang berbeza bagi kawasan industri dan kawasan perumahan

Zarah-zarah bercas elektromagnet terhasil

D to ensure the step-up stransformer and step-down transformer function very effectively untuk memastikan transformer injak turun dan transformer injak naik berfungsi dengan berkesan 138

dan

gelombang

40

How did Claudius Ptolemy contribute to the study of astronomy? Bagaimanakah Claudius Ptolemy kepada pembelajaran astronomi?

menyumbang

A He suggested that the Moon produced its own light Dia mencadang cahayanya sendiri

Bulan

Dia menganggap sistem solar

Matahari

menghasilkan

B He assumed the Sun was the centre of the solar system adalah pusat

C He assumed the Earth was the centre of the universe Dia menganggap semesta

Bumi sebagai pusat alam

D He classified stars into six groups according to their colours Dia mengelaskan bin tang-bin tang kepada enam kumpulan berdasarkan warnanya

)

(ii)

(c) (d)

(e) (f)

Section 7

Boiled water will contain no dissolved oxygen/ air Remove the oil and place the seeds in a location with air, water and warmth. Germination of seeds require water, air and suitable temperature only / No light is needed for germination The damp newspaper provided water for germination in bottle R 1. Store in dry places 2. Store in a cold place like refrigerator 3. Store in an air tight container / vacuum container 4. Store in oil HA 21 16 626 36 AB A 31 C D (b) (ii) ~I Paper 2 B

It has nucleus / cell membrane / cytoplasm K : It has a cell wall/chloroplast/nucleus/ vacuole / cytoplasm. L : It has cell membrane / nucleus / cytoplasm / dendrite M : It has cell membrane/ cytoplasm (b) Group 1: Have cell wall - K/have nucleus (a)

J

:

(d) Manipulated variable: Type of surface Responding variable: Magnitude of frictional force / spring balance reading Constant variable: Mass of wooden block/Type of spring balance / surface area of block (e) The frictional force is - a force which acts as a barrier to movement / motion. -

a force that surface.

)

varies

with

PMR EXAMINATION PAPER 2007 32 38 BD 17 18 873222 23 33 C D A C 37 BD 27 28 B Cell Papernose, 1 ,12 lungs . 1 B ) Section A 4 C 1 (a) (i) ,]!il' 919 24 29 39 DC A B 14 34

the type

of

30 525 35 AB 10 20 15 40 D A C

- J, K, L

Group 2: Has no cell wall - J, L, M/have no nucleus - M 2.5 8.5 8 There X Y: 5.5 the (a) is more friction inthe situation A (i) The frictional rougher surface, greater the The force produce depends on frictional force. the types to of situation surface B compare

Function Carries oxygen to all parts of the body (c)

Sends information in the body

Reading of spring balancelN

9D

Destroys bacteria

X

~o 5D 2D 3D 7D ~O ID 8D 0

Involved in reproduction 2 (a) 1. The base area of the table 2. The height of the centre of gravity (b) Table Q It is less stable because its base area is smaller and its centre of gravity is higher. (c) (i) It spreads the legs wider. / Lower its body. (ii) The base area of the crocodile is larger and its centre of gravity is lower than that of the giraffe.

y

z

3 (a) (i) Lime water / Calcium hydroxide (ii) It turns chalky. Surface

192