spm trial 2010 sce ans (pahang)

8/8/2019 SPM Trial 2010 Sce Ans (Pahang)

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SULIT 1511/2(PP)1

PERATURAN PEMARKAHAN

SCIENCE PAPER 1

PEPERIKSAAN PERCUBAAN SPM 2010SEKOLAH-SEKOLAH MENENGAH NEGERI PAHANG

1 B 11 D 21 A 31 C 41 D

2 C 12 B 22 A 32 B 42 B

3 C 13 A 23 B 33 D 43 B

4 D 14 D 24 D 34 D 44 A

5 A 15 D 25 C 35 B 45 D

6 B 16 A 26 C 36 D 46 A

7 B 17 C 27 A 37 A 47 C

8 A 18 B 28 C 38 B 48 B

9 B 19 C 29 A 39 D 49 C

10 B 20 C 30 C 40 C 50 A

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SULIT 1511/2(PP)2

PERATURAN PEMARKAHANSCIENCE PAPER 2

PEPERIKSAAN PERCUBAAN SPM 2010SEKOLAH-SEKOLAH MENENGAH NEGERI PAHANG

Question Marking Criteria Mark

1(a)

(b)(i)

(b)(ii)

(c)

(d)

Able to complete the table accurately

SubstanceBahan

Final Temperature oCSuhu akhir) oC

Change in temperaturePerubahan suhu

X 37 5Y 28. 4..

Able to state the manipulated variable correctlySample answer

1. Type of substance2. Substance X and Substance Y [any one]

Able to state the constant variable correctlySample answer

1. Inertial temperature2. The volume of water3. The mass of substances [any one]

Able to state reason for the observation correctlySample answer

1. The temperature increases because of exothermic reaction occur2. The temperature decrease because of endothermic reaction occur

Able to state the hypothesis correctlySample answer

1. When X react with water, the temperature increases2. When Y react with water, the temperature decreases

[any one]

2correc

= 1

1

1

1

1

TOTA5



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SULIT 1511/2(PP)3

2 (a)

(b)

(c)

(d)

Able to draw a ray diagram correctly

Light ray with arrow = 1 mark Image = 1 markTitik persilangan mesti berada di dalam lubang X

Able to measure the size of the image correctlyAnswer

2.6 cm +- 0.1

Able to predict the characteristics of the image correctlySample answer

1. Bigger2. Brighter

3. Blur [any one]

Able to tick ( / ) the objectcorrectly

2

1

1

1

TOTA5



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SULIT 1511/2(PP)5

4 (a)

4 (b)

(c)

(d)

Able to plot a graph correctly

1. All points are transferred correctly2. Smooth graph

Momentum (kgms -1)

Momentum (kgms-1)

0.2 0.3 0.4 0.5 0.6 0.7 0.8

Able to determine the momentum of the trolley correctlySample answer

1.5 +- 0.1

Able to state the relationship between the temperature and time correctlySample answer

1. The temperature increase with time2. When the time increases, the temperature increases

[any one]

Able to predict the momentum of the trolley correctlySample answer

2.2 3.0

2

1

1

1

TOTA5

VelocityHalaju(ms-1)

1.0

0



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SULIT 1511/2(PP)6

5 (a)

(b)

(c)

(d)

(e)

Able to state structure X and Y accuratelyAnswer

X : Medulla oblongata

Y : Cerebellum

Able to state one example of activities (involuntary actions) controlled byX correctlySample answers

1. Breathing2. Heartbeat3. Digestion of food4. Vomiting5. Enzyme secretion6. Peristalsis [any one]

Able to state the function of structure Y(cerebellum) correctlySample answer

1. Regulates body movement2. Maintain posture and balance [any one]

Able to state the purpose of folded area (cerebrum) correctlySample answer

To increase the surface area so that more neurons can be stored

Able to state the effect of an injury of Z (motor area- controls skeletalmuscle movement) correctlySample answer

Parts of the body under its control could be paralysed

1

1

1

1

1

1

TOTA

6M



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SULIT 1511/2(PP)7

6 (a)(i)

(a)(ii)

(b)

(c)(i)

(c)(ii)

(d)

Able to state the process occurred accuratelySample answer

Fertilization

Able to draw gamete X (sperm) in the box provided accurately

Sample answer

Able to state the amount of chromosomes that gamete Y has accuratelySample answer

23

Able to name process J accuratelySample answer

Meiosis

Able to state the chromosomes found in offspring T accuratelySample answer

44 + XX

Able to state the probability of having a baby girl accuratelySample answer

50%

1

1

1

1

1

1

TOTA

6M



8/16

SULIT 1511/2(PP)8

7 (a)(i)

(a)(ii)

(b)(i)

(b)(ii)

Able to name substance P correctlySample answers

1) Uranium-2352) Phosphorus-323) Cobalt-60

4) Iodine-1315) Carbon-146) Potassium-407) Nitrogen-15 [any one]

Able to state one use of substance P correctly.Sample answers

1) Uranium-235To generate electricity from nuclear energy

2) Phosphorus-32 / Carbon-14Nitrogen-15To study the intake and the transportation of chemical elements inplants

3) Cobalt-60- To kill cancerous cells in radiotherapy- To sterilise medical tools and equipment

4) Carbon-14 /Karbon-14To estimate the age of artifacts in archaeology field [any one]

Able to determine the plate accuratelySample answer

Plate X : Negative plate

Plate Y : Positive plate

Able to state the reason correctlySample answer

1) Beta rays with negative charges are deflected towards the positiveplate (plate Y)

2) Alpha rays with positive charges are deflected towards the negativeplate (plate X) [any one]

1

1

2

1



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SULIT 1511/2(PP)9

(c) Able to state one use of gamma rays correctly

Sample answers

Gamma rays

1) To kill cancerous cells in radiotherapy

2) To sterilise insects in agriculture .

3) To sterilise medical tools and equipment

4) To preserve food without destroying the nutrients in the food

5) To detect leaks in underground water pipes [any one]

1

1

TOTA

6M



10/16

SULIT 1511/2(PP)10

8 (a)

(b)

(c)

(d)

Able to state the group of microorganism accuratelySample answer

P : Bacteria

R : Fungi

Able to state one disease that can be transmitted by the group ofmicroorganism QSample answers

1) Common cold2) Dengue fever3) Hepatitis A and B4) Measles5) Poliomyelitis6) Mumps

7) AIDS [any one]

Able to state the group of microorganism that caused the diseasesaccuratelySample answer

(i) P

(ii) Q

Able to state how disease in (c)(i) can spread correctly

Sample answer

1. Through contaminated water2. Through contaminated food [any one]

2

1

2

1

TOTA

6M



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SULIT 1511/2(PP)11

9 (a)

(b)

(c)(i)

(c)(ii)

(d)

Able to mark substance X and substance Y in the box provided accuratelySample answer

Substance X/Bahan X Substance Y/Bahan Y

Styrene / Polystyrene /

* any type of marks accepted ( X / / )

Able to state the use of substance Y (polystyrene) correctlySample answers

1) Packaging boxes2) Notice boards [any one]

Able to state the type of plastic A and plastic B accuratelySample answer

Plastic A : Thermoplastic

Plastic B : Thermosetting Plastic

Able to state the reason correctlySample answer

Plastic A do not have cross linkages between their polymers while plastic Bhave cross linkages between their polymers.

Able to explain what will happen to thermosetting plastics when they areheated up correctlySample answer

Thermosetting plastics do not melt easily when they are heated.

1

1

1

1

1

1

TOTA

6M



12/16

SULIT 1511/2(PP)12

10 (a)

(b)(i)

(b)(ii)

(b)(iii)

(b)(iv)

Able to show the relationship between manipulated variable and theresponding variable correctly.Sample answers

1) Acid can coagulate latex while alkali can prevent latex from

Coagulating

2) Acid can coagulate latex

3) Alkali can prevent latex from coagulating [any one]

*Reject : The presence of acid and alkali will effect the coagulation oflatex

Able to write the aim of the experiment correctlySample answer

To study the effect of acid and alkali on latex coagulation

Able to identify the variables correctlySample answer

Manipulated variable : Ethanoic acid and ammonia solution//Presence of acid and alkali

Responding variable : Latex coagulation//Condition of latex

Constant/fixed variable : Volume of latex/alkali//The concentration of acid and alkali

[any two]

Able to list the functional apparatus and materials to be used in theexperiment correctlySample answer

Measuring cylinders, droppers, latex, ethanoic acid, ammonia solution,beakers or glass rods

Able to write the procedures for the experiment correctlySample answer

1) 20cm3 of latex is poured into beaker A and beaker B.2) By using a dropper, a few drops of ethanoic acid is added into

beaker A and ammonia solution into beaker B.3) The mixture in the beaker is stirred.4) The coagulation of latex is observed and recorded.

1

1

2

1

4



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14/16

SULIT 1511/2(PP)14

11(a)

11 (b)(i)

11(b)(ii)

11(b)(iii)

11(b)(iv)

Able to state two differences between distillation and crystallizationSample answer

Distillation Crystallization1 A process to obtain a pure

liquid from a solution of liquidmixture

A process of forming crystals

from a liquid or gas.

2 Involve boiling andcondensation process

Involve boiling and evaporationprocess

3 Final product-liquid Final product-solid

[any 2 difference]

Final product Distillation Crystallization Pure liquid Pure crystals

Able to identify the problemsSample answer

The ethanol produced by fermentation process is not pure

Able to name the methods usedAnswer

Distillation Process

Able to explain the methods usedSample answer

1. Liquid product obtained from fermentation is heated in distillation flask2. The required solution boils and turns into vapor at 78 oC3. The vapour then cooled and turns to liquid in the condenser

Able to evaluate the problemSample answer

Pure ethanol is produced

2

2

1

1

3

1

TOTA10



15/16

SULIT 1511/2(PP)15

12(a)

(b(i)

(b)(ii)

Able to draw a block diagram of a radio transmission and state thefunction of any two of its partSample answer

Diagram = 1 m Labelled = 1 m

Function

1. Microphone sound is turned / convert into an audio wave / electricalsignal

2. The electrical oscillator generates a carrier wave3. Modulator combined the audio wave and the carrier wave in a process

of modulation / to produce the modulated signal4. Amplifier to increase / amplifies the sound / combined signal5. Transmitter / antenna send out the combined signal as radio wave

[any 2]

Able to identify two common characteristics ofSample answer

1. Wave have different wavelength2. Wave used for communication purpose3. Wave can travel through vacuum4. Wave not easily blocked by hill/ diffracted around5. Wave have very large range [any 2]

Able to state other example of radio waveSample answer

1. Medium wave2. Long wave3. Ultra high frequency wave [any 1]

2

2

a

2

1

Microphone

Electrical oscillator

AmplifierModulator

Antenna



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spm trial 2010 sce ans (pahang)

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