Skema Sains Kertas 1, 2 Percubaan PMR 2012 Selangor (1)

7/27/2019 Skema Sains Kertas 1, 2 Percubaan PMR 2012 Selangor (1)

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MPSM

JABATAN PELAJARAN NEGERI SELANGOR

MAJLIS PENGETUA SEKOLAH MENENGAH

PROGRAM PENINGKATAN PRESTASI AKADEMIK

PERCUBAAN PENILAIAN MENENGAH RENDAH 2012

PERATURAN PEMARKAHAN

SCIENCE PMR

55/1

PPPA JPS 2012 :

PERCUBAAN PMR 2012

55/1 ©2012 Hak Cipta Jabatan Pelajaran Negeri Selangor



2 55/1


PERATURAN PEMARKAHAN SCIENCE PMR 55/1

PPPA JPS 2012 – PERCUBAAN PMR 2012

PAPER 1

Bil Topic Construct Level Diagram Answer

1. Introduction to Science PSNR01 L - A

2. Introduction to Science KSNR01 L 1 D

3. Cell as a unit of Life PSNR01 M 2 A

4. Matter KSNR02 L 3 B

5. Matter KSNR02 L 4 B

6. The Variety of Resources on Earth KSNR02 M - C

7. The Air Around Us KSNR02 H 5 A

8. The Air Around Us PSNR01 M - B

9. Sources Of Energy PSNR01 H 6 A

10. Sources Of Energy KSNR01 L 7 B11. Heat KSNR02 L 8 B

12. The World Through Our Sense KSNR02 L 9 C

13. The World Through Our Sense KSNR02 M 10 D

14. Nutrition PSNR01 L - B

15. Nutrition KSNR02 H Table 1 B

16. Biodiversity KSNR02 M 11 D

17. Interdependence among Organisms

and the Environment Water and

Solution

PSNR01 M

-

A

18. Water and Solution PSNR01 L - A

19. Air Pressure KSNR01 M 12 A

20. Dynamic KSNR02 L 13 B21. Support and Movement PSNR01 L - D

22. Support and Movement KSNR01 H 14 B

23. Stability KSNR02 L 15 B

24. Simple Machine KSNR01 H 16 A

25. Respiration PSNR01 L 17 D

26. Respiration KSNR02 L 18 B

27. Blood Circulation and Transport KSNR01 M - D

28. Excretion PSNR01 H - D

29. Reproduction PSNR01 M - C

30. Reproduction KSNR02 L 19 A

31. Growth KSNR01 L - A32. Land and its Resources KSNR01 M 20 B

33. Electricity PSNR01 L 21 B

34. Electricity KSNR02 L - B

35. Generation of Electricity KSNR01 H - B

36. Generation of Electricity KSNR01 H 22 C

37. Star and Galaxies KSNR02 L 23 C

38. Star and Galaxies PSNR01 M - B

39. Space Exploration KSNR01 M - C

40. Space Exploration PSNR01 L - B



55/2

JABATAN PELAJARAN NEGERI SELANGOR

MAJLIS PENGETUA SEKOLAH MENENGAH

MPSM

PROGRAM PENINGKATAN PRESTASI AKADEMIK

PERCUBAAN PENILAIAN MENENGAH RENDAH 2012

PERATURAN PEMARKAHAN

SCIENCE PMR

55/2

PPPA JPS 2012 :

PERCUBAAN PMR 2012


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Muat turun (percuma) kertas soalan lain di :



2

No. Mark scheme Mark Total

1 (a)

(b)

Able to label the three types of cells.Answer :

P : nerve cells

Q : white blood cellR : sperm cell

Able to match the organ with its function.

Answer :

1

11

1

1

1

3

3

Total 6 marks

2(a)

(b) (i)

Able to label P and Q correctly.Answer :

P : acid

Q : alkali

Able to state the products of neutralization process correctly.Answer :

a) Water

1

1

1

2

2

To pump blood

Untuk mengepam

darah

To digest food

Untuk menghadam

To excrete waste

products

Untuk membuan

PERATURAN PEMARKAHAN SCIENCE PMR 55/2

PPPA JPS 2012 – PERCUBAAN PMR 2011






3

(ii)

(iii)

b) Salt

Able to state the method of neutralisation process.Answer :

titration

Able to predict the pH value of the neutralisation productcorrectly

Answer :

7

1

1

1

1

1

Total 6marks

3(a)

(b)(i)

(ii)

(iii)

(c)(i)

(ii)

Able to name condition P correctly

Answer:Fuel

Able to answer what happen to anhydrous cobalt chloride paper correctly.

Answer:

Turns to pink

Able to give one reason correctly.

Answer :The presence of water.

Able to state another product of the combustion correctly.

Answer :

Carbon dioxide / energy

Able to predict what will happen to the combustion of thecandle.

Answer:

The candle will extinguish faster / burn out faster / timetaken for the candle to extinguish will be shorter.

Able to state one reason correctly.

Answer :Exhaled air contain less oxygen.

1

1

1

1

1

1

1

1

1

1

1

1

Total 6marks

4(a) Able to name the machine.

Answer:

Dialysis machine.

1 1






4

(b) (i)

(ii)

(c)

(d)

(e)

Able to state what is present in the urine correctly.

Answer :

GlucoseAble to state the reason correctly.

Sample Answer:

Kidney failed to filter the blood.

Able to state one disease that may lead to kidney failure

correctly

Answer:diabetes // high blood pressure

Able to mark in the box correctly.

Answer:

√

Able to mark the food that should be avoided by a kidneyfailure in the box correctly.

Answer :

Salted fish Orange Rice

√

1

1

1

1

1

1

1

1

1

1

Total 6marks

5(a)(i)

(b)

Able to label N correctly.Answer:

Fuse

Able to compare the 3-pin plug and 2-pin plug.Answer:

3-pin plug 2-pin plug

Has an earth wire Has no earth wire

1

1

1




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5

(c)

(d)(i)

(ii)

(iii)

Able to answer what will happen if the excessive current

flows through an electrical in a 3-pin plug correctly.

Sample Answer :The fuse will melt // break the circuit

Able to calculate the current flowing through the electriccurrent correctlyAnswer:

Current = 1000240

= 8.33 A

Able to circle the suitable rating of a fuse.

3A 5A 10A

Able to state what will happen when a higher value of fuse if

used.

Answer :The fuse will not function/electrical appliance will

breakdown.

1

1

1

1

1

4

2

1

Total 8marks

6(a)(i)

(b) (i)

(ii)

© (i)

Able to state the method of heat transferred.

Answer:conduction

Able to write R, S and T in Table 6.2 correctly.

Answer :

Iron Copper Aluminium

T S R

Able to choose the most suitable material for the base P of

the cooking utensil.Answer:Copper because it is a very good conductor of heat

Able to explain the method of heat transferred applied inkettle.

Answer :

1

1

11

1

1

1

2

1






6

(ii)

Convection.

Heat energy is transferred through the water by the

movement of water particles.

Able to give one example that apply the same method of

heat transfer.Answer :household ventilation system / refrigerator

1

1

2

1

Total 8marks

7(a)(i)

(ii)

(iii)

(iv)

(b)

Able to state one difference between the rats in ecosystem Jand K after one month correctly.

Answer :

The number of rats in ecosyetem J increases while thenumber of rats in ecosyatem K decreases.

Able to state one inference of ecosystem J or K Sample answer :

1. The number of rats in ecosystem J increases because

there are plants/food.

2. The number of rats in ecosystem K decreases

because there is not enough food//they have tocompete for food.

Able to predict what happen to the rats if all the paddy

plants died.

Answer :The number of rats decreases.

Able to state the relationship between the number of paddy

plant and the number of rats.Answer :

The more the number of paddy plant, the number of rats.

Able to classify all the animals into two groups

Answer :

Secondary consumer Tertiaryconsumer

1

1

1

1

4

1

1

1

1

4






7


Monkey

Mouse deer

Leopard

Snake

Total 8marks

8(a)(i) Able to state the difference in brightness of the bulb in set P

and Q.

Answer:Bulb in set Q is brighter than P(vice versa)

1 1

(ii) Able to write one inference about the brightness of the bulb

in set PSample answers:

Bulb P is dimmer than Q because has one dry cells/less dry

cell

1 1

(iii) Able to state the relationship between the number of dry celland the brightness of the bulb.

Answer:

The more the number of dry cell the more brightness of the bulb

(vice versa)

1 1

8(b)(i)

(ii)

Able to record the reading of the ammeter

Answer :0.22A

Able to draw graph

Transfer all points = 1 mark

Join all points correctly = 1 mark

1

1

1

1

2

2





8


(ii)

(iv)

(v)

(vi)

Able to state the relationship between the number of dry

cells and the reading of ammeter.Answer :

The higher the number of dry cell the higher the reading of

ammeter.

Able to predict the reading of ammeter when five dry cells is

used.

Answer :Higher/more than 0.4A

Able to state the variables:Answer :

Able to write one hypothesis :

Answer :

The higher the number of dry cell the higher the reading of ammeter/value of current

Manipulated variable Number of dry cell

Responding variable Ammeter reading/value of current

1

1

1

1

1

1

1

2

1

8(c) Able to define operationally for current.

Answer :

Current is the ammeter reading.

1 1

Total 12marks

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Skema Sains Kertas 1, 2 Percubaan PMR 2012 Selangor (1)

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