6026199 pahang percubaan pmr 2008 science paper 2 answers attached

7/28/2019 6026199 Pahang Percubaan Pmr 2008 Science Paper 2 Answers Attached

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SULIT sce paper 2 trial1PMR PHG 2008 55/2

SULITSMS Muzaffar Syah , Melaka

Section A

Bahagian A

[40 marks]

[40 markah]

Answer all questions

Jawab semua soalan

For

Examiner

s use

1 Diagram 1.1 shows cells M and N.

Rajah 1.1 menunjukkan sel M dan N.

Q

R

S

M: N:

Diagram 1.1Rajah 1.1

Rajah

1(a) (a) Name cells M and N in the space provided in Diagram 1.1

Namakan sel-sel M dan N dalam ruang yang disediakan pada Rajah 1.1

[2 marks][2 markah]


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For

Examiners

use

1(b)

(b) P is where photosynthesis takes place. Label P in Diagram 1.1

P ialah tempat di mana fotosintesis berlaku. Labelkan P dalam Rajah 1.1

[1 mark][1 markah]

(c) Draw lines to match the structures of the cell and their functions.

Draw the lines as shown below.

Padankan struktur sel dengan fungsinya dengan melukis garisan seperti

yang ditunjukkan.

StructureStruktur

FunctionFungsi

Regulates the movement of

substances in and out of the cell

Mengawal pergerakan bahan-

bahan masuk dan keluar dari selQ

Protects and maintains the shape

of the cell

R Melindungi dan mengekalkanbentuk sel

1(c)S

Controls all activities of the cell

Mengawal segala aktiviti sel

Contains cell sap

Mengandungi sap sel

[2 marks][2 markah]


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For

Examiners

use

1(d)

Total

(d) Name one similar structure that can be found in both cells M and N.

Namakan satu struktur sama yang terdapat di kedua-dua sel M dan N.

[1 mark]

[1 markah]


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For

Examiners

use

2 Diagram 2.1 shows the flow of energy in a simple food web.

Rajah 2.1 menunjukkan aliran tenaga dalam satu siratan makanan ringkas.

Organism A

Organisma A

Organism D

Organisma D

Organism B

Organisma B

Organism C

Organisma C

Diagram 2.1

Rajah 2.1

(a) (i) Which organism is the producer?

Organisma yang manakah ialah pengeluar?

.

[1 mark][1 markah]

(ii) Why is the organism mentioned in 2(a)(i) called the producer?

Kenapa organisma yang disebut di 2(a)(i) dikenali sebagai pengeluar?

2(a)...

...

[1 mark][1 markah]


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For

Examiners

use

(b) Diagram 2.2 shows a food web that consists of several interrelated food

chains.

Rajah 2.2 menunjukkan satu siratan makanan yang mengandungi beberapa

gabungan rantai makanan.

Eagle

Helang

Lizard

Cicak

Snake

Ular

Rat

Tikus

Rabbit

Arnab

Grasshopper

Belalang

Paddy

Padi

Diagram 2.2

Rajah 2.2

(i) How many food chains are there in the food web shown in Diagram 2.2?

Berapa rantai makanan yang terdapat dalam siratan makanan pada

Rajah 2.2?

[1 mark]

[1 markah]


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For

Examiners

use

2(b)

2(c)

2 (d)

2(e)

Total

(ii) Give one example of food chain that you can find in the food web in

Diagram 2.2.

Berisatu contoh rantai makanan yang terdapat dalam siratan makanan

dalam Rajah 2.2.

..[1 mark]

[1 markah]

(c) What will happen if an extreme drought season wipes out most of the

paddy plants?

Apa akan berlaku jika satu musim kemarau menghapuskan semua

pokok padi?

..

. ..[1 mark]

[1 markah]

(d) Predict what will happen if the population of rats is suddenly increased.

Ramalkan apa akan berlaku jika populasi tikus bertambah dengan tiba-

tiba.

... [1 mark]

[1 markah]

(e) What is the source of energy for the food chain and the food web?

Apakah sumber tenaga bagi rantai dan siratan makanan ini?

[1 mark]

[1 markah]


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For

Examiners

use

3 Diagram 3.1 shows an activity carried out to study how the products

of photosynthesis are transported in a plant.

Rajah 3.1 menunjukkan satu aktiviti yang dijalankan untuk mengkaji cara

hasil fotosintesis diangkut dalam tumbuhan.

Diagram 3.1

Rajah 3.1

3(a)

3(b)

(a) What happens to the part of the branch above the ring after two weeks?

Draw your observations in the space provided in Diagram 3.1.

Apa akan berlaku pada bahagian atas gelangselepas dua minggu?

Lukiskan pemerhatian anda di ruang yang disediakan dalam Rajah 3.1.

[1 mark][1 markah]

(b) Name the tissues that are removed from the branch.

Namakah tisu yang dibuang dari batang.

P..PQQR.R

[1 mark][1 markah]

SMS Muzaffar Syah , Melaka SULIT


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For

Examiners

use

3(c)

(c) Explain what happens in (a).

Terangkan apa yang berlaku di (a).

..

[2 marks][2 markah]

(d) Diagram 3.2 shows a cross-section of a stem. Mark X on the part

mentioned in (c).

Rajah 3.2 menunjukkan satu keratan rentas batang tumbuhan.

Tandakan Xpada bahagian yang disebut di (c).

[1 mark][1 markah]

3(d)

Diagram 3.2

Rajah 3.2

3(e)

Total

(e) What conclusion can be made from this activity?

Apakah yang dapat dirumuskan dairpada aktiviti ini?

.

. .

[1 mark}[1 markah]


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For

Examiners

use

4 Diagram 4.1 shows the arrangement of marbles in three sections of a

container to show the states of matter.

Rajah 4.1 menunjukkan susunan guli-guli dalam tiga bahagian dulang untuk

menunjukkan keadaan jirim.

P Q R

Diagram 4

Rajah 4

(a) Based on Diagram 4, which state of matter do the marbles show in

Berdasarkan Rajah 4, apakah keadaan jirim yang digambarkan oleh guli

di bahagian

4(a) P: ..

Q: .

R:..

[3 marks][3 markah]


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SULIT sce paper 2 tria1l 0PMR PHG 2008 55/2

Matter

Jirim

Property

Ciri-ciri

P

Q

For

Examiners

use

(b) State one property for P and Q.

Nyatakan satu ciri P dan Q.

4(b)

[2 marks]

[2 markah]

(c) State one example of substance that has similar property as Q.

Nyatakan satu contoh bahan yang mempunyai ciri serupa dengan Q.

4(c)

4(d)

...

[1 mark][1 markah]

(d) Suggest one way how the state of matter R can be changed to Q.

Cadangkan satu cara bagaimana rupabentuk R boleh ditukar kepada Q.

.

[1 mark][1 markah]

Total

5 Diagram 5.1 shows how some crude petroleum is heated to different


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SULIT sce paper 2 tria1l 1PMR PHG 55/2

For

Examiners

use

temperatures.

Rajah 5.1 menunjukkan bagaimana minyak mentah dipanaskan pada suhu-

suhu yang berbeza.

ThermometerTermometer

Porcelain chips

Serpihan

porcelain

PetroleumPetroelum

Delivery tubeTiub penghantar

Water

Air

Petroleum

fraction

Pecahan

petroleum

Diagram 5.1

Rajah 5.1

5(a)

(a) Name the process used in Diagram 5.1 to obtain the petroleum fractions

Namakah proses yang digunakan dalam Rajah 5.1 untuk memperoleh

pecahan petroleum.

.

[1 mark][1 markah]

(b) Table 5.2 shows the four fractions of petroleum collected in four separate

test tubes according to different temperature.

Jadual 5.2 menunjukkan empat pecahan petroleum yang dikumpulkan

dalam tabung uji yang berasingan mengikut suhu yang berbeza.


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Distilled oil

Hasil penyulingan

Range of boiling point

Julat takat didih

Colour

Warna

P 30-800C Colourless

Jernih

Q 80-1200

C YellowKuning

R 120-1600C Orange

Jingga

S 160-2000C Red

Merah

For

Examiners

use

Table 5.2

Jadual 5.2

5(b)(i)

5(b)(ii)

(i) What is the relationship between P and S in terms of their boiling points

and the colour of the distillate?

Apakah hubungan di antara P dan S dari segi takat suhu didih dan warna

hasil penyulingan?

.

[1 mark][1 markah]

(ii) Using the words given below, name fractions P, Q, R and S.

. Namakan hasil penyulingan berdasarkan yang berikut.

Kerosene Diesel Petrol Lubricating oilKerosin Diesel Petrol Minyak pelincir

P: ..Q: ..R: .S: ..

[2 marks][2 markah]


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Examiners

For

use(c) (i) State one use of P.

Nyatakan satu kegunaan P

..

[1 mark][1 markah]

5(c)

(ii) Explain why we have to use P wisely.

Terangkan kenapa kita perlu gunakan P dengan bijaksana.

..[1 mark]

[1 markah]

Total

For

Examiners

use

6 Diagram 6.1 shows the apparatus used in an experiment to study the

relationship between current and resistance.

Rajah 6.1 menunjukkan alatan yang digunakan dalam satu eksperiment untuk

mengkaji hubungan di antara arus dan rintangan.


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.Nichrome wire

Dawai nikrom

Metre rule

Pembaris meter

Jockey

Joki Dry cell

Sel kering Ammeter

Ammeter

nikrom

Diagram 6.1

Rajah 6.1

Table 6.2 shows the result of the experiment.

Jadual 6.2 menunjukkan keputusan eksperimen.

Length of nichrome wire (cm)

Panjang dawai nikrom (cm)

Current (Ampere)

Arus (ampere)

30 0.54

40 0.52

50 0.5060 X

70 0.46

(a) Diagram 6.3 shows the reading of X when the length of nichrome wire is60 cm.

Rajah 6.3 menunjukkan bacaan X apabila panjang nikrom wire itu ialah 60cm.

For

Examiners

use

6(abc)SMS Muzaffar Syah , Melaka SULIT


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SULIT sce paper 2 trial PMR PHG 2008 55/2


15

Diagram 6.3

Rajah 6.3

Reading of X

Bacaan X= .

[1 mark][1 markah]

(b) Based on the results in Table 6.2, what happens to the ammeter reading

when the length of nichrome wire increases?

Berdasarkan keputusan dalam Jadual 6.2, apa berlaku kepada bacaan

ammeter apabila panjang dawai nikrom bertambah?

.

[1 mark][1 markah]

(c) Predict the ammeter reading if the length of nichrome wire is 80 cm.

Ramalkan bacaan ammeter jika panjang dawai nikrom ialah 80 cm.

.[1 mark]

[1 markah]

6(d) (d) What conclusion can you make from this experiment?

Apakah kesimpulan yang anda dapati daripada eksperimen ini?

..[1 mark]


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[1 markah]

(e) Choose the correct symbols of the electrical components used in Diagram

6.1.

Pilih simbol komponen elektrik yang digunakan dalam Rajah 6.1.Tick ( ) in the box provided.

Tandakan ( ) dalam petak yang disediakan.

6(e) A

Diagram 6.3

Rajah 6.3[ 2 marks]

[2 markah]

(f) Diagram 6.4 shows the reading on the ammeter when the voltage is 0.6 V

Rajah 6.4 menunjukkan bacaan ammeter apabila bacaan voltan 0.6V

Diagram 6.4

Calculate the resistance by uRsianjgahth6e.4information in Diagram 6.4.

Use the formula given below.

Hitungkan rintangan dengan menggunakan maklumat yang diberikan

dalam Rajah 6.4.

Gunakan rumus yang dibeikan.


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6(f)

Resistance = VoltageAmpere

Rintangan = Voltan

Ampere

[2 mark][2 markah]

Total

Section B

[20 marks]

[20 markah]

Answer all questions


18/32



Jawab semua soalan

For

Examiners

Use

Diagram 7 shows the arrangement of particles in four substances.

Rajah 7 menunjukkan susunan zarah-zarah dalam empat bahan

JK

Oxygen

Oksigen

Sodium chloride

Natrium klorida

L M

Sulphur

Sulfur

Water

Air

Diagram 7

Rajah 7

(a) Observe Diagram 1.

Based on your observation, state one property of J, K, L, and M.

Perhatikan Rajah 1.

Berdasarkan pemerhatian anda, nyatakan satu ciri bagi J, K, L, dan M

For

Examiners

Use

7(a)

J : .

K : .

L : .

M : .


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[4 marks][4 markah]

b) Classify J, K, L, and M in Diagram 7 into two groups based on common

properties. Write the letters of the substances belonging to each

group.

Kelaskan J, K, L, dan M dalam Rajah 7 kepada dua kumpulan

berdasarkan ciri sepunya. Tuliskan huruf-huruf yang mewakili bahan itu

bagi setiap kumpulan.

Oxygen, Sodium chloride, Sulphur, Water

Oksigen, Natrium klorida, Sulfur, Air

Common property

Ciri sepunya

7(b)

Name of substance

Nama bahan

Total

ForExaminers

Use

[4 marks][4 markah]

8. (a) Diagram 8.1 shows two shirts of different colours which are being dried

under the same conditions.

Rajah 8.1 menunjukkan dua helai baju yang berlainan warna dijemur di

Blabcakwsahhirtkeadaan yang sama.

Baju hitam

Situation A

Situasi A

White shirt

Baju putih

Situation B

Situasi B

SMS Muzaff

D

a

i

r

a

S

g

y

ra

a

m

h ,

8

M

.1

elaka

Rajah 8.1

SULIT


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SULIT sce paper 2 tria2l 0PMR PHG 2008 55/2

(i) Based on your observations in Figure 8.1, state the difference in

the time taken for the shirts to dry in Situation A and Situation B.

Berdasarkan pemerhatian anda dalam Rajah 8.1, nyatakan perbezaan

masa yang diambil untuk mengeringkan baju dalam keadaan A dan

keadaan B.

8(a)(i)

For

Examiners

Use

8(a)(ii)

[1 mark]

[1 markah]

(ii) What inference can be made based on Situation A and Situation B

in Diagram 8.1?

Apakah inferens yang boleh dibuat berdasarkan Situasi A dan Situasi

B dalam Rajah 8.1.



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....

.. [1 mark]

[1 markah]

8(a)(iii)

(iii) State one hypothesis based on your observations in Figure 8.1.

Nyatakan satu hipotesis berdasarkan pemerhatian dalam Rajah 8.1.

..

.

[1 mark][1 markah]

(b) A student carried out an experiment to investigate the absorption of heat

by different types of surfaces. The initial temperature of the flasks were

taken. The flasks were then heated for 5 minutes before the final

temperature of the flasks were taken.

Seorang pelajar menjalakan satu eksperimen untuk menyiasat

penyerapan haba oleh jenis permukaan yang berlainan. Suhu awal

kelalang kon diambil. Kelalang-kelalang kon itu dipanaskan selama 5

minit sebelum suhu akhir diambil.

For

Examiners

Use

Thermometer

Termometer

Conical flaskKelalang kon

10 cm

Black, dullsurface

Permukaan hitampudar

Conical flaskKelalang kon

10 cm

White, shinysurface

Permukaan putih

ThermometerTermometer

PSMS Muzaffar Syah , Melaka

Diagram 8.2

Rajah 8.2


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QSULIT


23/32


(i) Diagram 8.3 shows the final reading of thermometers P and Q.

Record the readings in Table 8.4 and calculate the rise in

temperature in each flask.

Rajah 8.3 menunjukkan bacaan akhir thermometer P dan Q.

Rekodkan bacaan dalam Jadual 8.4 dan kira peningkatan suhu dalam

setiap kelalang kon.

40 40

30 30

20 20

For

Examiners

Use

P Q

Diagram 8.3Rajah 8.3



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P Q

Initial temperature (oC)

Suhu awal (oC)

28 28

Final temperature (o

C)Suhu akhir (oC)

Rise in temperature (oC)

Kenaikan suhu (oC)

Riseintemperatu

re(oC)

Kenaikansuhu(oC)

8(b)(i)

Table 8.4Jadual 8.4

[2 marks][2markah]

(ii) Based on Table 8.4, draw a bar chart to show the rise in

temperature in P and Q.

Berdasarkan Jadual 8.4, lukiskan satu carta bar untuk menunjukkan

kenaikan suhu dalam P dan Q.

8

6

For

Examiners 4Use

2

SMS Muzaffar Syah , Melaka

Conical FlaskKelalang kon

SULIT


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8(b)(ii)

[2 marks][2 markah]

8(b)(iii)

For

Examiners

Use

8(b)(iv)

(iii) Based on the bar chart, what can you say about the rise in

temperature in the conical flasks?

Berdasarkan carta bar, apakah yang boleh dinyatakan tentang

kenaikan suhu didalam kelalang-kelalang kon itu?

.

.

[1 mark][1 markah]

(iv) What is the relationship between the colour of the surface and the

rate of heat absorption?

Apakah hubungan antara warna permukaan dengan kadar


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Manipulated

variable:

Pembolehubah

yang dimanipulasi

..

Responding

variable:

Pembolehubah

yang berak balas

..

Fixed variable:

Pembolehubah

yang ditetapkan

..

penyerapan haba?

..

..

[1 mark][1 markah]

(c) State the variables involved in this experiment.

Nyatakan pembolehubah dalam eksperimen ini.

8(c)

Total

marks][3

[3 markah]

END OF QUESTION PAPER

KERTAS SOALAN TAMAT


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sce paper 2 trial PMR PHG 2008


SKEMA JAWAPAN

PEPERIKSAAN PERCUBAAN PMR SCIENCE PMR 2008

No. Skema Markah Jumlah

1(a)

1(b)

M: Plant cellN : Animal cell

1 mark for each correct answer

Q

1 mark

1 mark

2 marks

1 mark

R

S

P

1(c)Structure

StrukturFunction

Fungsi

Regulates the movement of

Q substances in and out of the cell

1 mark 2 marks

Protects and maintains theshape of the cell

R

Controls all activities of the cell

SContains cell sap

1 mark for each correctly matched pair

1(d) Nucleus//Cytoplasm// Cell Membrane

1 mark(either one)1 mark 1 mark

Total 6 marks

2(a)(i) Organism B 1 mark 1 mark

2(a)(ii) Because it makes its own food. 1 mark 1 mark


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2(b)(i) Four// 4 1 mark 1mark

2(b)(ii) PaddyplantGrasshopperLizardEaglePaddyplantRatSnakeEaglePaddyplantRatEaglePaddyplantRabbitEagle

1 mark (either one answer)

1 mark 1 mark

2(c) The other animals in the food chain will starve and

reduce in numbers

1 mark 1 mark

2(d) There will be a decrease in the paddy population// There

will be an increased in snake population

1 mark 1 mark

2(e) The sun 1 mark 1 mark

Total 7marks

3(a)

1 mark 1 mark

3(b) Phloem tissues 1 mark 1 mark

3(c) The removal of phloem cells/tissues stop

manufactured food from moving downwards

thus food accumulates in the region above the

ring.

The manufactured/synthesized food is unable to

move downwards thus food substances

accumulate in the regions above the ring

2 marks 2 marks

3(d)

X

1 mark 1 mark


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3(e) Phloem tissues/ cells transport

manufactured(synthesized) food from the leaves to the

stem and roots//Phloem tissues/ cells transport

manufactured(synthesized) food from the leaves to allparts of the plants

1 mark 1 mark

Total 6marks

4(a) P: Solid

Q:Gas

R:Liquid1 mark for each correct answer

1 mark 3 marks

4(b) P:Arrangement of particles are compact and orderly //

closely packed // particles vibrate in their respective

positions

Q:Arrangement of particles are very loose anddisorderly // particles move randomly //particles movefast // particles move freely

1 mark

1 mark

2 marks

4(c) Any suitable answers: Oxygen ; Carbon dioxide ;

Nitrogen, etc

1 mark 1 mark

4(d) By heating 1 mark 1 mark

Total 7marks

5(a) Fractional Distillation of Petroleum 1 mark 1 mark

5(b)(i) The higher the boiling point of a fraction, the darker its

colour

1 mark 1 mark

5(b)(ii) P:PetrolQ:Kerosene

R:DieselS:Lubricating oil

Any two correct answers

2 marks 2 marks

5(c)(i) Fuel for motor vehicles and airplanes. 1 mark 1 mark

5(c)(ii) Because P is a non-renewable form of energy 1 mark 1 mark

Total 6marks

6(a) Reading of X = 0.48 A 1 mark 1 mark6(b) The ammeter reading will decrease. 1 mark 1 mark

6(c) 0.44 A 1 mark 1 mark

6(d) The current flow in a circuit decreases as the resistance

increases // As the resistance in a circuit increases, the

current flow in a circuit decreases.

1 mark 1 mark


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6(e)


1 mark 2 marks

6(f) Resistance (R) = Voltage(V)

Ampere (A

R = V

IR = 0.6V

0.2A= 3.0 Ohm // 3.0

1 mark for correct substitude of numbers

1 mark for the correct answer

1 mark 2 marks

Total 8marks

7(a) J: Made up of two particles//made up of one type of

particles//K:Made up of two particles//made up of two different

types of particles

L:Made up of eight particles//made up of one type of

particlesM:Made up of three particles//made up of two different

types of particles


1 mark 4 marks


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7(b)

Oxygen, Sodium chloride, Sulphur, Water

Oksigen, Natrium klorida, Sulfur, Air

Made up of more than Made up of one type ofone type of particles particles

Sodium chloride and

waterOxygen and sulphur

Oxygen, Sodium chloride, Sulphur, WaterOksigen, Natrium klorida, Sulfur, Air

Made up of two Made up of more thanparticles two particles

Oxygen and sodium

chlorideSulphur and water

1 mark for each box.

1 mark 4 marks

Total 8marks

8(a)(i) (Shirt in) Situation A takes a shorter time to drycompared to the (shirt in) Situation B// (Shirt in)Situation A dries faster than (shirt in) Situation B(Shirt in) Situation B takes a longer time to drycompared to (shirt in) Situation B// (Shirt in) Situation Bdries slower than (shirt in) Situation A

1 mark 1 mark

8(a)(ii) Black shirt absorbs heat better/faster than white shirt//White shirt absorbs heat slower than black shirt//

Absorption of heat depends on the colour of the shirt

1 mark 1 mark

8(a)(iii) Black shirt absorbs heat better than white shirt//Black surface absorbs heat better than white surface//The darker the colour, the faster the shirt dries//The darker the surface, the faster it absorbs heat

1 mark 1 mark


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P Q

Final

temperature

(O

C) 35O

C 31O

CRise in

temperature

(OC) 7 OC 3 OC

Riseintemp

erature(oC)

8(b)(i)

2 marks

1 mark

1 mark

8(b)(ii) 2 marks 2 marks

8

6

4

2

8(b)(iii)

The rise in temperature in P is higher than Q//The rise in tempeP ture in P anQd Q are different

1 mark 1 mark

8(b)(iv) The darker the surface, theChoignhicearltFhleasrakte of heatabsorptionA dark/black coloured surface absorbs heat faster thana light/white coloured surface

1 mark 1 mark

8(c) Type of surfaceRise in temperature//Final reading of thermometerDistance of flask from Bunsen burner//Size of flask

1 mark1 mark

1 mark

1 mark1 mark

1 mark

Total 12marks

6026199 pahang percubaan pmr 2008 science paper 2 answers attached

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