PMR Trial 2011 - Science ( Pahang )

8/4/2019 PMR Trial 2011 - Science ( Pahang )

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SCHEME OF ANSWERSCIENCE, PAPER ONE

55/1TRIAL EXAMINATION

FORM THREE2011

No. ofquestion

AnswerNo. of

questionAnswer

1 B 21 A

2 D 22 D

3 C 23 C

4 A 24 D

5 D 25 B

6 B 26 A

7 B 27 A

8 A 28 B

9 C 29 D

10 C 30 C

11 D 31 A

12 D 32 B13 C 33 B

14 D 34 D

15 B 35 B

16 C 36 A

17 C 37 A

18 C 38 B

19 B 39 A

20 A 40 C


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Marking scheme Trial Science Form 3

Skema jawapan

Question

Soalan

Answer

Jawapan

Marks

Markah

1 (a)

1 (b)

1 (c)

(ii)

(iii)

P : Multicellular /Multisel

Q : Unicellular /Unisel

R :Unicellular /Unisel

Q

3 marks

1 mark

2 marks

2 (a)

(b)

P : exhalation

Q : urination

R ; sweating

P : carbon dioxide and water

Q : Urea , water and mineral salt/ urine / nitrogenous waste

R : Urea , water and mineral salt/ sweat

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

To digest food so that it can be readilyabsorbed

Untuk menghantar maklumat keseluruhbahagian badan

To transmit message to every part ofthe bodyUntuk mencernakan makanan supayaia mudah diserap

To support the weight of the body andprotect internal organsUntuk menyokong berat badan danmelindungi organ dalaman


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3 (a i)

3 a ii)

3 b (i)

3 b (ii)

(iii)

4 a i)

a ii)

a (iii)

b )(i)

b )(ii)

b )(iii)

5 a

b i)

c (i)

d (i)

d (ii)

e (i)

(ii)

X : Carbon dioxide

Y : Glucose

Producing food /producing oxygen

To absorb carbon dioxide

Plant B

Plant B can do photosynthesis because carbon dioxide is

present.

The indicator colour droplet moves towards the test tube.

Volume of air decreases

.oxygen is used for respiration

Put in bigger container/ Remove the container

Contain more oxygen/ more air .

Global warming / green house effect

Situation K: Potential energy

Situation L: Kinetic Energy

Ball bearing

Use ball bearing/ put grease/put roller/

To reduce friction between box and floor

Wear spiked shoes/ wear rubber soled shoes/wear wollen

glove/put flour on the palm

To increase frictional force between hand and the wall

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark

1 mark


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6 a) i)

(ii)

b) i)

ii)

iii)

iv)

7 a (i)

ii)

iii )

7 b

7 c i)

ii)

iii)

iv)

(e)

Metal / Logam Observation/ Pemerhatian

Zinc Powder Metal burns brightly

Copper Powder Metal glows brightly

Copper , zinc , magnesium

Solid calcium hydroxide / slaked lime

Dissolves it in water

Calcium, carbon / oxygen

Turns lime water cloudy/ milky

43 ml

Container C has highest rate of evaporation because it has

largest surface area.

The larger the surface area, the higher the rate of evaporation/

the smaller the surface area, the lower the rate of evaporation

Water able to

evaporates

Water not able to

evaporates

P , S Q , R

x takes the shorter time to dry compare to W

X takes the shorter time to dry because of factor wind

movement

Condition z has lower rate of evaporation because of factor of

humidity of air.

More than 20 min

The larger the surface area, the higher the rate of evaporation

2 marks

1 mark

1 mark

1 mark

2 marks

1 mark

1 mark

1 mark

1 mark

2marks

1 mark

1 mark

1 mark

1 mark

1 mark


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8 (a) (i)

(b)

i)

ii)

8 (b) (iii)

The speed of fan at position 1 is very slow, whereas at position

5 are very fast.

Manipulated variable Resistance value/value of

resistor

Responding variable Current value/amount of

electric current/ammeter

reading

Constant variable Number of dry cell/type of

wire/length of wire/type of dry

cell

REJECT: TYPE OF AMMETER

Resistance (ohm) 1 3 5 7 9

Ammeter (A) 0.9 0.7 0.5 0.3 0.1

1 mark

3 marks

2 marks


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( iv)

( v)

(iV)

V)

The higher the resistance, the higher the current.

Current is shown by the reading of the ammeter.

2 marks

1 mark

1 mark

1;0

0;8

0;6

0;2

12108642

0;4

Current, I

Resistance, R

PMR Trial 2011 - Science ( Pahang )

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