Pmr Sebenar Paper1 2008

PMR EXillDin

er 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 and Y?

Diagram 1 shows an irregular shape. Rajah

1 menunjukkan

suatu bentuk tak sekata.

Antara yang berikut, mengenai X dan Y?

are true about X

yang

X

manakah

benar

Multisel Unisel bersilia ciliacilia Y Bersilia Multicellular Have Unicellular no Tidak

Tidak Multisel Bersilia Unisel bersilia A no cilia Unicellular Have Multicellular cilia B C

~

o

lcm

Diagram 1 Rajah 1

3 Estimate the area of this shape. Anggarkan luas bentuk ini. A 5 cm2 C 9 cm2 B 7 cm2 D 10 cm2

Which cell builds up tissue? Sel yang manakah membina tisu? .

..

0,', C

A@..~.. , '"

2

Diagram 2 shows the classification organism. Rajah 2 menunjukkan pengelasan organisma.

of

..

o

B

Organism 4

Organisma

Diagram balloon. Rajah belon.

3 shows a student

3 menunjukkan

seorang murid

Diagram 2 Diagram 3

Rajah 2

Rajah 3 156

blowing up a meniup

7

Why does the balloon becomes bigger? Mengapakah belon itu membesar?

A

Air occupies space

B

Air expand

Diagram 4 shows the apparatus set-up to investigate the products of combustion. Rajah 4 menunjukkan susunan menyiasat hasil pembakaran.

Udaramemenuhiruang

Test tube P Tabung uji P

Udara mengembang

C

Air has mass

o

radas untuk

To filter

Udara mempunyai jisim

~pump Ke pam turas

Air is light Udara ringan Kerosene

5

Which of the following is a correct example of a compound and a mixture?

Lime water

Kerosin

Antara yang berikut, yang manakah contoh yang betul bagi sebatian dan campuran?

Air kapur

Blue cobalt chloride paper Kertas kobalt klorida bint

Compound

laut Water Air Air Sea water Mixture Udara Oxygen Campuran Oksigen

laut atian ara asigen ter water

ygen

Diagram 4 Rajah 4

A

The kerosene is lit and a liquid is collected in test tube P. What will happen to the blue cobalt chloride paper and the lime water?

B C

Kerosin itu dinyalakan dan sejenis cecair dikumpulkan dalam tabung uji P. Apakah yang terjadi pada kertas kobalt klorida biru dan air kapur itu?

o 6

Which of the following are the correct matches Blue cobalt between the gas used and the process related Kekal biru klorida Kertasmerah kobalt birujambu chloride Menjadi Menjadi merah jambu Remains blue to it? Turns pink paper Turns pink Antara yang berikut, padanan yang manakah betul mengenai gas yang digunakan dengan proses yang berkaitan dengannya?

Gas used

Lime water Remains clear AirTurns kapur Menjadi cloudy keruh Kekal jernih

A

Proses Pembakaran Combustion Process Fotosintesis Respirasi Transpiration Transpirasi Respiration Photosynthesis

B

oksida akan ioxide C

II

o

III 8 IV

Which step is implemented control air pollution?

to prevent and

Langkah yang manakah dilaksanakan untuk menghalang dan mengawal pencemaran udara?

A B

I and I dan I and I dan

II II IV IV

C

o

II and III II dan III III and IV III dan IV

A

Use leaded fuel

B

Practice car-pooling system

Guna bahan api plumbum Amalkan sistem kongsi kereta

157

C

o

Smoke in public places

Glass Q expands more than glass P

B

Gelas Q mengembang lebih daripada gelas P

Merokok di tempat awam

Practice open burning

Glass Q and glass P expand at the same rate Gelas Q dan gelas P mengembang pada kadar

C

Amalkan pembakaran terbuka

9

Which of the following are correct examples of renewable and non-renewable energy resources?

yang sama

Glass Q and glass P contract at different rate Gelas Q dan gelas P mengecut pada kadar

D

Antara yang berikut, yang manakah contoh yang betul bagi sumber tenaga yang boleh diperbaharui dan yang tidak boleh diperbaharui? Renewable

yang berlainan

11 Diagram 6 shows a section through part of the human head containing a sensory organ.

Tidak boleh Air Wave Water Non-renewable Ombak Wind Coal Arang batu diperbaharui Angin

Boleh aharui ass rmbatu

Rajah 6 menunjukkan keratan melalui sebahagian kepala manusia yang mengandungi organ deria.

A A B C

o

C

10 Diagram 5 shows two identical glasses, P and Q, which are stuck together. Rajah 5 menunjukkan dua gelas serupa, P dan Q, -Diagram 6

yang melekat di antara satu sama lain. Glass P Gelas P

I

<.

Rajah 6

Glass Q Gelas Q

Which of the parts labelled A, B, Cor 0, is a sensory cell? Antara bahagian berlabel A, B, C dan 0, yang manakah sel deria? 12 Which

part of a plant phototropism?

shows

positive

Bahagian tumbuhan yang manakah menunjukkan fototropisme positif?

A

Diagram 5 Rajah 5

B C

Stem

o

Batang

Fruit Buah

Gelas Q dicelup ke dalam air panas selama beberapa minit.

13 Which food pyramid is the best guide to plan a balanced diet?

Apakah yang membuatkan gelas-gelas itu dapat diasingkan dengan mudah?

Glass Q contracts more than glass P Gelas

Shoot Pucuk

Glass Q is dipped into the hot water for a few minutes. What makes the glasses able to be separated easily?

A

Root Akar

Piramid makanan yang manakah panduan terbaik untuk merancanggizi seimbang?

Q mengecut lebih daripada gelas P 158

c

A

Fibrous root system Sistem akar serabut

- Parallel veined leaves Daun urat se/ari

- One cotyledon in each of their seeds Satu kotiledon dalam setiap biji benih

o

B

Which plants have these characteristics? Tumbuhan yang manakah mempunyai ciri-ciri ini?

A

Paddy and grass Padi dan rumput

B

Paddy and balsam plant

C

Grass and hibiscus plant

o

Hibiscus plant and balsam plant

Padi dan pokok keembung 14 The following

information characteristics of a plant.

Maklumat berikut menunjukkan tumbuhan.

shows

the

Rumput dan pokok bunga raya Pokok bunga raya dan pokok keembung

ciri-ciri suatu

15 Diagram 7 shows two processes, Q and R, in a plant. Rajah 7 menunjukkan dua proses, Q dan R, dalam suatu tumbuhan. Glucose Sunlight Glukosa Cahaya matahari

+ Gas P Gas P + Water

Process R ~GasS

Air

-:,...--

Diagram 7 Rajah 7

Which of the following are represented by P, Q, Rand 5? Antara yang berikut, yang manakah diwakili oleh P, Q, R dan 5? P

R Carbon dioxide Fotosintesis Karbon dioksida 5 Q Respirasi Oksigen Photosynthesis Respiration Oxygen

A B

C

o 159

Gas S

17 Which activity can prevent

the hole in the ozone layer from getting bigger?

16 Diagram 8 shows one of a human activity. Rajah 8 menunjukkan satu daripada aktiviti manUSla.

Aktiviti yang manakah boleh menghalang lubang pada lapisan ozon menjadi lebih besar?

A

Replant more trees Tanam semula lebih banyak pokok

B

Avoid the burning of fossil fuel

C

Stop using pesticides farming

Elak pembakaran bahan api fosil

and fertilizer

in

Hentikan penggunakan racun serangga dan baja di dalam pertanian

D

Avoid buying products chlorofl uorocarbon

that contain

Elak membeli barangan yang mengandungi klorofluorokarbon

Diagram 8 Rajah 8

18 What change takes place to water at its freezing

Why should this activity be stopped?

point?

Mengapakah aktiviti ini harus dihentikan?

A

Causes air pollution

Apakah perubahan takat bekunya?

Menyebabkan

A

B

Increases the humidity of the air Meningkatkan

C

Reduces dioxide

Gas to solid Gas kepada pepejal

C

habitat flora dan fauna

Mengurangkan 19

B

kelembapan udara

the percentage

Liquid to gas Cecair kepada gas

Destroys the habitat of flora and fauna Memusnahkan

D

pencemaran udara

yang berlaku pada air pada

Solid to liquid Pepejal kepada cecair

of carbon D

Liquid to solid Cecair kepada pepejal

peratusan karbon dioksida

Diagram 9 shows two methods of water purification, P and Q. Rajah 9 menunjukkan

dua kaedah pembersihan air, P dan Q.

Muddy water Air berlumpur

Filtrate Hasil turasan

p

Diagram 9

Q

Rajah 9

Which of the following shows the differences between P and Q? Antara yang berikut, yang manakah menunjukkan

P

perbezaan di antara P dan Q?

Produces Q distilled water Menghasilkan air suling

A

160

B

tdrinking diminum

Kills microorganism

Does remove dissolved minerals membunuh mikroorganisma dalam air menyingkirkan terlarut kill microorganism in water Tidak not menghasilkan airmineral yangsuitable sesuai diminum Does not produce water for drinking

c o

20

Diagram 10 shows the information on the label of a metal container. Rajah 10 menunjukkan maklumat yang terdapat

I

pada label sebuah bekas logam.

3.0m

• Keep container away from heat Jauhkan bekas daripada haba

• Keep in well ventilated place

1

Simpan di tempat pengudaraan yang baik

Diagram 11

• Turn off the valve after use

Rajah 11

Tutup injap selepas digunakan

Calculate the power. Hitung kuasa. [g = 10 N kg-l]

Diagram 10 Rajah 10

A B

Which of the following shows the characteristics of the contents of the container? Antara yang berikut, yang manakah menunjukkan ciri-ciri kandungan dalam bekas itu?

A B

22

C 150W

120 W 135 W

o

1200 W

Diagram 12 shows a siphon. Rajah 12 menunjukkan suatu sifon.

Non-flammable liquid

Tube

Cecair tidak mudah terbakar

Tiub

Corrosive substances

Water

Bahan mengkakis

C

o

Air

Radioactive substances Bahan radioaktif

Gas under high pressure

Clip

Gas di bawah tekanan tinggi

Klip

Diagram 12

21 Diagram 11 shows a student with a mass of

Rajah 12

40 kg carrying a box with a mass of 5 kg. He walks up the stairs in 10 seconds. Rajah 11 menunjukkan seorang murid berjisim

When the clip is opened, the water flows out because of

40 kg membawa sebuah kotak berjisim 5 kg. Murid itu berjalan menaiki tangga dalam masa 10 saat.

Apabila klip dibuka, air mengalir keluar kerana

A

the nature of water sifat semula jadi air

B

the force of gravity daya graviti

C

the water pressure tekanan air

o 161

the air pressure tekanan udara

Diagram 13 shows three regular shapes, P, Q andR. Rajah 13 menunjukkan tiga bentuk sekata, P, Q

23

dan R.

,,, ,,//, /

/

/

/

/

/

/

", '"

/

,,,

,

p

7.00 a.m.

R

Q

3.00 p.m.

Diagram 14 Rajah 14

Diagram 13 Rajah 13

The plant wilts because of insufficient Which statement describes the equilibrium point of P, Q and R?

A

Pernyataan manakah yang menerangkan keseimbangan P, Q dan R?

Blight

A

B

C

Tumbuhan itu menjadi layu kerana tidak cukup

titik

The equilibrium point of a regular shape is at its centre

fertilizer baja

D

water

cahaya

air

Titik keseimbangan bagi sebuah bentuk sekata terletak di tengah

26 Which crowbar uses the least effort to pull out

The equilibrium point of a regular shape can be anywhere on the shape

Tuil besi yang manakah menggunakan daya yang paling kurang untuk mengeluarkan paku itu?

Titik keseimbangan bagi sebuah bentuk sekata boleh terletak di mana-mana pada bentuk itu

A

Some regular shapes equilibrium point

the nail?

Nail Pakll

.•I Daya Effort

do not have an

(

Some regular shapes have more than one equilibrium point

B

5esetengah bentuk sekata mempunyaiPaku lebih daripada satu titik keseimbangan 24

C

karbon dioksida

Sesetengah bentuk sekata tidak mempunyai titik keseimbangan

D

carbon dioxide

~I

~

.".-

(

/I

Daya

Nail . ~ Effort

Which pair of devices does not use the principle of a lever? Pasangan alat yang manakah tidak menggunakan prinsip tuas?

A

Screw and ladder

B

Fishing rod and plier

Effort

C

Daya

Skru dan tangga

t-~

Joran dan playar

C

Nutcracker and paper cutter Pemecah buah keras dan pemotong kertas

D

D

Wheel-barrow and bottle opener

Effort

25

I Daya

Nail

Kereta sorong dan pembuka botol

Diagram 14 shows the condition of a nonwoody plant. Rajah 14 menunjukkan keadaan suatu tumbuhan

(

tak berkayu. 162

~ p,~

~

~

Diagram 15 shows the structure of human lungs. Rajah 15 menunjukkan struktur peparu manusia.

27

C

Transports minerals only Mengangkut

D

mineral sahaja

Transports glucose Mengangkut

29

glukosa

Diagram 17 shows a human urinary system. Rajah 17 menunjukkan sistem kencing manusia.

Q

R

Q

Diagram 15 Rajah 15

Which of the following is represented by p, Q, Rand S? Antara yang berikut, yang manakah diwakili oleh P, Q, R dan S?

p

Diagram 17 Rajah 17

S R Bronkiol Bronkus Trakea Bronkus Bronkiol Alveolus Bronchus Bronchus Bronchiole Alveolus Trachea Bronchiole Alveolus QAlveolus

A

What is the main function of Q? Apakah fungsi utama Q? A Maintains mineral salts in the body

B

Mengekalkan garam mineral dalam badan

B

c

Removes glucose from the body Menyingkirkan

C

D

glukosa daripada badan

Maintains the body temperature Mengekalkan suhu badan

D

Removes waste products Menyingkirkan

16 shows a cross section of a monocotyledon stem with vascular bundles.

bahan buangan

28 Diagram

30 The following information describe a problem

of a husband and wife.

Rajah 16 menunjukkan keratan rentas batang pokok monokotiledon dengan berkas vaskular.

Maklumat berikut menerangkan masalah sepasang suami isteri.

• Unable to have children

x

Ketidakupayaan

mempunyai

anak

• Infertility Ketidaksuburan

This information refer to Diagram 16

Maklumat

A

Rajah 16

ini merujuk kepada

fertilization

C

persenyawaan

What is the function of X?

B

A

D

ovulation pengovulan

Transports water only Mengangkut

B

implantation penempelan

Apakah fungsi X?

sterility kemandulan

air sahaja

31 Which of the following are the requirements

Transports water and minerals

to ensure the normal growth of a child?

Mengangkut

Antara keperluan berikut, yang manakah adalah

air dan mineral

163

untuk memastikan pertumbuhan normal seseorang kanak-kanak? A Exercise and a little carbohydrate Senaman dan sedikit karbohidrat B

C

bagi

D

Enough nutrients and a balanced diet Nutrien yang mencukupi dan pemakanan seimbang Balanced nutrients and more fat Nutrien seimbang dan lebih lemak

More nutrients and more sugar Lebih nutrien dan lebih gula

32 Diagram 18 shows the apparatus set-up to investigate the properties of compound The gas released turns the lime water chalky. Rajah 18 menunjukkan susunan radas untuk menyiasat sifat-sifat sebatian Q. Gas yang terbebas menukar air kapur menjadi keruh.

Q.

Delivery tube Tiub penghantar

Stopper Penyumbat

Dilute sulphuric acid

Lime water

i\sid sulfurik cair

Air kapur

Q

Diagram 18 Rajah 18 ,,'hat is compound Q? A Copper oxide Kuprum oksida B Lead sulphide Plumbum sulfida

C D

Silicon dioxide Silikon dioksida Calcium carbonate Kalsium karbonat

33 An air conditioner is marked 240 V, 3000 W. Calculate the current flowing through the air conditioner. 5ehl1lh penghawa dingin bertanda 240 V, 3000 W. Hitung arus yang mengalir melalui penghawa dingin itu. C 12.5 A A a.08 A

B 1.08A

D 13.5A

34 \ "hich of the following method?

is true about

the advantages

and disadvantages

of a biological

control

Antara pernyataan berikut, yang manakah benar ten tang kebaikan dan keburukan kaedah kawalan biologi?

I

Predator

- prey

Kebaikan Keburukan Harmful to menjimatkan Snakes Number the environment will ofwaktu larvae come increases the area Disadvantages Both animals come out at night tikus pada malam Advantages Murah Kedua-dua dan haiwan War merbahaya keluar kepada pada pekerja Membahayakan Kaedah yang murah Bilangan alam akan untuk sekitar larva datang mengawal akan keto bertambah kawasan tersebut Cheap and economical Snakes Burung Owl cannot are hantu dangerous catch tidak the dapat to rats the menangkap atworkers night A cheap method to control larvae

A B C

D

164

35 Diagram circuit.

19 shows

a complete

Rajah 19 menunjukkan lengkap.

electrical

satu litar elektrik yang

Generator Penjana

Reservoir

p

Takungan

Steam

30

20

Wap

Diagram 19 Rajah 19

Calculate the total resistance. Hitung jumlah rintangan. A 0.4 Q C B 1.2 Q D

5.0 Q 6.0 Q

Steam is cooled

Q

Burning of fuel

Wap disejukkan

Pembakaran bahan api

Air filter~

36 Diagram 20 shows a parallel circuit with three identical bulbs, P, Q and R.

Generator

Penapis udara

Penjana

Rajah 20 menunjukkan litar selari dengan tiga mentol yang serupa, P, Q dan R.

Turbine Turbin

p

Compressor Pemampat

Diagram 21 Rajah 21

What are generators, P, Q and R?

Q

Apakah penjana, P,

P R

Terma Hidroelektrik H idroelektrik

Turbin gas Gas turbine Thermal Hydroelectric

Q dan R? R turbine Terma Hidroelektrik Thermal Gas Q gas Turbin Hydroelectric

A B

12V

I

C

I

D

Diagram 20 Rajah 20

What is the voltmeter reading across P if Q burns out? Apakah bacaan voltmeter di P jika Q terbakar? A

OV

C

6V

B

4V

D

12 V

38 An electrical appliance labelled, 240 V, 750 W is used for 60 hours. What is the cost of the electrical energy used if the cost per unit is 30 sen? Alat elektrik yang berlabel240 V, 750 W digunakan . selama 60 jam. Apakah kos tenaga elektrik yang digunakan jika kos per unit adalah 30 sen?

37 Diagram 21 shows three types of generators, P, Q and R. Rajah 21 menunjukkan tiga jenis penjana, P, Q

A B

dan R.

165

RM3.60 RM4.32

C D

RM6.75 RM13.50

39 Diagram 22 shows the structure of the Sun. Rajah 2 menunjukkan struktur Matahari.

40

The following information is about a devl.ce used in space. Maklumat berikut adalah mengenai satu alat yang digunakan di angkasa lepas.

·'.L

P

• Mapping location of mineral resources and regions of agricultural development Pemetaan lokasi sumber mineral dan kawasan pembangunan

pertanian

• Identifying pollution and open burning Mengenal pasti pencemaran dan pembakaran terbuka

Diagram 22 Rajah 22

What is P? Apakah P? A Core

What is this device? Apakah alat ini?

A

Teras

B

Corona Korona

C

o

Photosphere

Sate/it

B

Kromosfera

Space craft Kapal angkasa lepas

C

Space station

D

Hubble space telescope

Fotosfera

Chromosphere

Satellite

Stesen angkasa Teleskop angkasa lepas Hubble

12 22 10 987543215 13C A D 27 37 40 17 18 19 20 23 24 25 28 29 30 32 35 38 B 39 C point isof water 14 CB A 33 34 *D (i) (f) The boiling salt solution higher Impure water that is contains 1 B i) water dissolved substances./Impure water than the with boiling boiling point point of above distilled100°C. water.is Paper 1 AMINATION PAPER 2008

(ii) The higher the boiling point, the more viscous it is. (iii) Fuel (c) 1. Replace the old machines. 2. Use renewable sources such as biomass. (d) Increase the boiling point of the distillation process. above 350°C. 6

(a) The mercury will expand. (b) Metal L expands more than metal K. (c)

Paper 2 Section A 1 (a) (i) P: Oxygen Q: Carbon dioxide R: Nitrogen (ii) 0.03% (b) • Slightly soluble in water • Ignites a glowing wooden splinter 2

(a)

(i)

I~I

(i)

I

c

I

(ii) The heat from the fire causes the strip to expand and touch the contact point. This closes the electric circuit and the electric bell rings. (d) The metal cap will expand. (e) (i) The cables will contract. (ii) The particles of the cables become close together. or (i) The cables will become tight. (ii) It contracts. Section B 7 P

(a)

R S Q

Device The The fulcrum load effort isisbetween between the the the fulcrum fulcrum is between load Characteristic load. and the effort.

(ii) To get sunlight (iii) Phototropisme (iv) Photosynthesis process (b) (i) To get water (ii) Because of the gravity force 3

4

(a) (i) Dam/Reservoir (ii) To settle the solid particles (iii) To kill bacteria (b) Method: Filtration Reason: To remove solid particles or Method: Chlorination Reason: To kill microorganism/baCteria (c) Boiling at 100°C or freezing point 0 °C (a) (i) (ii) (iii) (iv)

(b)

between the load Comm?n between the isload and The the fulcrum effort is I ch aractenshcs IThe and fulcrum the effort not

Same brightness They get the same amount of voltage. The bulbs are still light up. AIl the bulbs will not light up.

• Pliers • Scissors

• Bottle opener • Ice tongs

(c) (i) The length of the crow-bar influences the force needed to lift the rock. (ii) 100 N (iii) The longer the length of the crow-bar, the less force needed to lift the rock.

(b) (i) The ammeter reading decreases. (ii) The resistance has increased. 5

Devices

(a) Diagram 5.1: The remains of creatures buried at the bottom of the sea. Diagram 5.2: High temperature and pressure changed the remains. (b) (i) The higher the boiling point, the darker the colour of the fraction.

8

(a) Plant Q wilted because it is not watered. (b)

194

(i)

L: 5.4