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NAME : TEACHER :

FORM : COLLEGE ID :

MARA JUNIOR SCIENCE COLLEGE LANGKAWI

FIRST STANDARDISED TEST, SEMESTER I 2011

SCIENCE FORM 2

1 Hour 30 Minutes

Instruction :

1. This question paper consists ofsection A and section B2. Section A consist of30 objective questions whilesection B consists of3 structure question.3. Answer all questions4. Write the answer of each objective question on the answer sheet given.5. Write your answer for section B in the space provided in the question paper.

Section Total marks Score

A 30

B 20

TOTAL50

Prepared By: Checked By :

..EN. ABDUL GHAFUR B. MUHAMAD ESA PN. NORAINI BT. GHAZALI

SCIENCE COORDINATOR OF FORM 2 SCIENCE SENIOR TEACHER

This question booklet consists of 16 printed pages


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OBJECTIVES ANSWER SHEET

1. 16.

2. 17.

3. 18.

4. 19.

5. 20.

6. 21.

7. 22.

8. 23.

9. 24.

10. 25.

11. 26.

12. 27.

13. 28.

14. 29.

15. 30.


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Answer all questions. (SECTIONA)1. Diagram 1 show the path of an impulse when stimulus is received by the skin.

Diagram 1

Which of the following represent P and Q?

P Q

A Brain Effector

B Receptor Brain

C Effector Receptor

D Receptor Effector

2. A student eats several kinds of foods and finds the parts of the tongue M, N, O and P in Diagram

2 are stimulated.

Diagram 2

Among the following, what are the kinds of food eaten by the student?

A medicine, orange, salts and chocolate

B honey, orange, salts and medicine

C range, vinegar, medicine and salts

D medicine, sweets, vinegar and chocolate

3. The sensitivity of the skin depends on the

A thickness of the epidermis

B number of stimuli

C number of nerve

D layer of dermis

QNervePStimulus

NerveMuscle


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4. Which of the following match is correct to show sensory organ, stimuli and the sense involved?

Sensory organ Stimuli Sense

A Eye Sight Light

B Nose Chemical substance Smell

C Ear sound hearing

D Tongue Taste Chemical substance

5. Which part of the ear in the Diagram 5 below does not involved in hearing mechanism?

Diagram 5

6. Which part of the eye is the correct match with its function?

Parts Function

A Retina Protects the eye and maintain its shape

B Iris Controls the size of pupil

C Blind spot Most sensitive spot on the retina

D Cornea Controls light entering the eye

7. Why do cinema halls have curtains and soft boards on the walls?

A to magnify the vibrations

B to increase loudness

D

A

B


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C to absorb sound

D to reflect sound

8. An old man wears hearing aid because

A his oval windows are punctured

B his ear drums cannot vibrate fast

C his auditory nerves are damaged

D his cochlea do not contain any more fluid

9. Ali touch the hot vessel immediately withdraws his hand. Choose the part of the skin that

affected in this process?

A sweat gland

B pressure receptor

C blood capillaries

D heat receptors

10. Which of the following sensory organs are used when a person is enjoying a cup of coffee?

A Nose and tongue

B Skin and tongue

C Nose and ears

D Tongue and ears

11. Diagram 11 shows a light ray travelling from medium P to Q.

Diagram 11

What are the substances that make up medium P and medium Q?

P Q

A Air Glass

B Water Glass

C Glass Water

D Air Water


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12.

13. Which of the

following instruments can help humans overcome hearing limitations and

hearing defects?

I Stethoscopes

II Hearing aids

III Microphones

IV Loudspeakers

A I and II only

B III and IV only

C I, II and III only

D I, II, III and IV

Diagram 12 shows two mirrors J and K which are placed parallel to

each other.

Diagram 12

Which is the value of the angle g?A 25

B 35

C 55

D 65


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14. The smell receptors in the nose are sensitive to

A dust in the airB water vapour in the air

C gases in the air

D chemicals in the air

15.What stimulates the taste buds?

A Saliva

B Enzymes in the saliva

C Sweet and salty taste

D Smell

16. Which of the following does not use the principle of sound reflection?

A Detecting the depth of the sea.

B Detecting the presence of fishes in the sea

C Night flying by bats.

D Enhancing the sound musical instruments

17. The image that is formed at the retina of the eye is

A Bigger than object

B Shinning

C Inverted

D Duplicated

18. Which of the following pairs of the type of plant response and its example is correct?

Type of plant response Example

A Positive phototropism The growth of roots towards light

B Positive geotropism The growth of roots towards water

C Positive phototropism The growth of shoots towards light

D Nastic movement The curling of tendrils around a supporting

structure

19. Which of the following is the importance of the response to hydrotropism?

A It ensures that the leaves can get enough oxygen for respiration.

B It ensured that leaves could absorb some moisture from the soil.


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C It ensures that the leaves receive enough sunlight for photosynthesis.

D It ensures that the leaves can get enough carbon dioxide forphotosynthesis.

20. Which of the following pairs of food classes and examples is not correct?

21. Which of the following statements about carbohydrates is not correct?

A carbohydrate is needed for building new cells in our body

B carbohydrate is made up of carbon, hydrogen and oxygen

C carbohydrate provide energy to our body

D carbohydrate can be found in animal in forms of glycogen

22. Which of the following vitamins is formed in the skin in the presence of

sunlight?

A Vitamin B

B Vitamin D

C Vitamin C

D Vitamin K

23. The information below is about a class of food.

a. Made up of cellulose.

b. Helps to stimulate peristalsis.

c. Deficiency in our diet causes constipation.

Which of the following is most likely to be the food?

A Egg C Cheese

B Liver D Cabbage

Food Class Example

A Fat Vegetable oil

B Roughage Spinach

C Protein Tapioca

D Carbohydrate Potato


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24. Table 4 shows the sources and deficiency disease of vitamin P, Q, and R.

Vitamin Sources Deficiency disease

P Milk, eggs, butter, cheese Rickets

Q Carrots, cheese, tomato Night blindness

R Fruits, vegetables Scurvy

Table 4

Which of the following represent P, Q, and R?

P Q R

A Vitamin D Vitamin A Vitamin C

B Vitamin C Vitamin A Vitamin D

C Vitamin A Vitamin C Vitamin D

D Vitamin D Vitamin C Vitamin A

25. The information below is about a class of food.

a. Cannot be digested completely

b. Present in vegetables and fruits

c. Most of the substances consist of cellulose

How is the class of food important to humans?

A Prevents constipation

B Builds and repairs tissues

C Maintains the health of the body

D Produces hemoglobin in the red blood cells


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26. Table 6 shows the results of food tests on food sample X, Y, and Z.

Test Observation

Food Benedicts solution Millons reagent Iodine test

X Reddish precipitate is

formed

Brick red precipitate

is formed

No change

Y Reddish precipitate is

formed

No change Dark blue

Z

Dark blue solution

Brick red precipitate

is formed

No change

Table 6

Which of the food sample contains glucose and protein?

A X only

B Y only

C X and Z only

D Y and Z only

27. The factors that must considered when planning a balanced diet are

I sex III race

II age IV climate

A I, II, and III only

B I, III, and IV only

C I, II and IV only

D II, III, and IV only


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28. Table 9 shows the calorific value of some foods.

Food Quantity Calorific value/ kJ

Banana 1 piece 378

Egg 1 egg 315

Chocolate milk 1 glass 800

Chicken rice 1 plate 1273

Table 9

A student had his lunch by taking the food shown below:

a. Banana 2 pieces

b. Egg 2 eggs

c. Chocolate milk 1 glass

d. Chicken rice 1 plate

Based on the table 9, calculate the calorific value taken by the student for his lunch.

A 2518 kJ C 2933 kJ

B 4577 kJ D 3459 kJ

29. Diagram 10 shows boys who is suffering from kwashiorkor.

Diagram 10

Which of the following is the cause of the disease?

A Insufficient intake of vitamin K

B Lack of protein in diet

C Too much fat in diet

D Insufficient intake of vitamin B


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30. Kamal is 60 years old. He has been advised by a doctor to control the amount of sugars and salts

in his diet. What probably is his problem?

A He is overweight.

B He has a diabetes and high blood pressure.

C He has a heart disease.

D He is old and cannot digest sugar and salt.

SECTION B

(20 MARKS)

QUESTION 1

1. Diagram 1.1 shows the formation of image in the eye of a person with a vision defect.

(a) (i) Name the vision defect shown in Diagram 1.1.

..

[1 mark]

(ii) Give one reason for this vision defect.

.

[1 mark]

(iii) How do you overcome this defect of vision?

.

[1 mark]

Diagram 1.1


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(iv) Draw the correction of this vision defect as suggested in (a)(iii) on Diagram 1.2.

[2 marks]

Diagram 1.2


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QUESTION 2

2. Diagram 2.1 shows the set up of an experiment to investigate the response of seedling towards

external stimuli.

(a) Name the two stimuli being investigated

(i) ...

(ii) ..

[2 marks]

(b) Predict what will happen to the following parts of the seedlings after several days.

(i) Shoots : .

(ii) Roots :

Sunlight Seedlings

Moist cotton

woolWire gauge

Anhydrous Calcium

chloride

Diagram 2.1


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[2 marks]

(c) State the function of the anhydrous calcium chloride.

..

[1 mark]

(d) Name the growth response shown by the

(i) Shoots : .

(ii) Roots : .

[2 marks]

QUESTION 3

3. Table 3.1 shows the analysis of contents of rice.

Class of food Percentage

X 75

Y 9

Z 2

Table 1.1

(a) Rice contains a lot of starch.

(i) Which of the contents in the class of food shows the amount of starch in rice?

.

[1 mark]

(ii) How would you test for the presence of starch in rice?


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..

..

[2 marks]

(iii) What is X in the class of food in the analysis of contents of rice?

.

[1 mark]

(b) Which of the contents is essential for growth and repair in tissues?

.

[1 mark]

(c) What would be the effect to a person who consume excessive intake of Z?

..

[1 mark]

(d) A bowl of rice contains 200 g of rice. If the energy value of X is 17kJ g, calculate the amount of

energy from X in the bowl of rice. Shows your work.

[2 marks]

TOTAL: 20 MARKS

END OF QUESTION PAPER

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