APRIL MONTHLY TEST

APRIL 2009 MONTHLY TEST 2SCIENCE FORM 2 Name:

Answer all questions in Part A and Part B in the space provided.

Part A

1. The following information shows one class of food.

2. ww

Which of the following have the above function

A. Fats

C. Water

B. Fibre

D. Vitamins

2. Mineral P helps to produce the hormones of the thyroid gland. What is the mineral P?

A. Iron

C. Sodium

B. Iodine

D. Calcium

3. Iron is needed in our diet for

A. Preventing goiter

B. Preventing constipation

C. Making healthy bones and teeth

D. The formation of haemoglobin in red

blood cells.

4. We need fibre in our diet to

A. Prevent goitre B. Prevent constipation

C. Speed up the action of enzymes

D. Ensure proper absorption of nutrients

5. Which of the following food contains the least fats?

Form : .

A. Potato

C. butter

B. Maize

D. groundnuts

6. Digestion of food is sped up by the following exceptA. Bile C. enzymes

B. Mucus D. hydrochloric acid7. Diagram 1 shows a digestive organ.

Diagram 1

It secretes an acid. The function of the acid include

I. Enabling the proper functioning of protease

II. Killing the bacteria in the food

III. emulsifying fats

A. I and II only C. II and III only

B. I and III only D. I. II and III

8. Diagram 2 shows a food test which is carried out on a food sample.

Diagram 2The mixture is heated. What is the expected observation?

A. No observable change

B. A blue solution is formed

C. A brick-red precipitate is formed

D. The mixture turns dark blue in colour

9. Tooth decay and osteoporosis are caused by the deficiency of

I. sodium

II. calcium

III. phosphorus

A. I and II only C. II and III onlyB. I and III only D. I, II and III

10. Which of the following structures helps in absorbing digested food?

A. Villi

C. Colon

B. Liver

D. Pancreas

11. Table 1 shows the observations of food tests on food X.

Food TestResult

Iodine testBrown

Benedicts testBrick-red precipitate

Millons testRed precipitate

Food X containsI. Starch

II. Glucose

III. Proteins

A. I and II only C. II and III only

B. I and III only D. I, II and III

12. Diagram 3 shows part of human digestive system and its associated organs.

Diagram 3

What is stored in P?

A. Hydrochloric acid

C. Protease

B. Mineral salts

D. Bile

13. Which of the following substances is reabsorbed in the large intestine?

A. Water C. Glycerol

B. Fatty acid D. Dissolve mineral salts

14. The following information shows the lunch taken bay Mahmud on a certain day.

The diet is not balanced because it is lack of

A. Carbohydrates C. proteins

B. Fibre

D. fats

15. Diagram 4 shows the human alimentary canal and the associated organs.

Diagram 4

The digestion of protein takes place in

A. Q and S

C. R and S

B. Q and T

D. R and T

16. Table 2 show the digestion of food in small intestine.

OrganEnzymeSubstrateProduct

Small

Intestine

QPeptoneAmino acid

17. RFatsFatty acids and glycerol

18. SStarchMaltose

Table 2

Identify enzymes Q, R and S.A

B

C

DQRS

19. AmylaseProteaseLipase

20. ProteaseBileLipase

21. LipaseProteaseAmylase

22. ProteaseLipaseAmylase

23. Diagram 5 shows a digestive organ Q

Diagram 5Which of the following statements are true?

I. Q secretes hydrochloric acid

II. Q produces bile to emulsify the fats

III. Enzymes in Q change proteins to peptone

A. I and II only C. II and III only

B. I and III only D. I, II and III

24. Diagram 6 shows a food pyramid.

Diagram 6

Which types of food are found in level

S ?

A. Fruit and vegetables

B. Meat and proteins

C. Cereals and rice

D. Fats and sugar

25. Diagram 7 shows the organs in the human digestive system.

Diagram 7

Which of the following are the functions of J, K and L ?

A

B

C

DJKL

26. Digests starchDigests FatsAbsorbs nutrients

27. Digests starchDigests proteinsAbsorbs water

28. Digests fatsDigests proteinsAbsorbs water

29. Digests proteinsDigests starchAbsorbs nutrients

30. Te calorific value of fried noodle is 14.2 kJ g-1 . Calculate the calorific value in 200 g of fried noodles.

A. 284 kJ

C. 326 kJB. 2 840 k J

D. 260 kJAnswer for Part A

1.6.11.16.

2.7.12.17.

3.8.13.18.

4.9.14.19.

5.10.15.20.

Part B1.The apparatus shown in Diagram 8 are kept for 2 days.

Diagram 8(a) Draw what you think will happen to the seeds in both beakers after 2 days.

[4 marks]

(b) The response showed by the roots is called .

[1 mark]

(c)Why is the response stated in (b) important to the plant?

[1 mark]

(d)What is the function of the silica gel in beaker B?

[1 mark]

2. Food can be classified into seven classes. Name them.

(a) (b)

(c) .(d)

(e) (f) .

(g) ..

[7 marks]3. Complete the following table on the digestion of the three main classes of food.

(a)

(b)

(c)Type of enzyme neededClass of foodProduct of digestion

(i)

Proteins(ii)

Amylase

(i)(ii)

(i)

Fats(ii)

[6 marks]4. Diagram 9 shows the alimentary canal of human.

Diagram 9

(a) Name the labelled parts as shown in Diagram 9R:

T: .

U:

V:

W: . [5 marks](b) State the labelled part where digestion of the following food begins.

(i) Rice: .

(ii) Milk:

(iii) Meat: [3 marks]

(c) Name the enzyme produced by each of the following organs.

(i) S : ..

(ii) T : ..

(iii) U : .

[3 marks](d) What happen if the part labelled T stops secreting digestion juice?

[1 mark](e) What is the function of the part labeled Q?

[1 mark]

END OF QUESTION PAPERPrepared by,

Checked by,

Verified by,

......

(Pn. Noor Kamila Abdullah) ( Pn Saonah Zabali) ( En. Mohd Saed b Mahat)

Ketua panitia

GKMP Sains & MatematikIt helps to regulate body temperature

It is needed in the production of mucus

1 bowl of rice

1 piece of fried chicken

1 piece of fried egg

1 cup of syrup drink

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