soalan objektif mac2014

5/24/2018 soalan objektif mac2014

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PART A (20 marks)

BAHAGIAN A (20 markah)

Answer ALL the questions. Each questions is

followed by four alternative answers, A, B, C

and D. For each question, choose ONEanswer only.

Jawab SEMUA soalan . Tiap-tiap soalan diikuti oleh

empat pilihan jawapan, A, B, C dan D. Bagi setiap

soalan, pilih SATU jawapan sahaja.

1. The diffusion of substances into andout of an organisms body occurs

rapidly if

A. The volume of the organism is big.B. The surface area of the organism

in contact with the environment is

small.C. The total surface area to the

volume ratio of the organism is

large.

D. The size of the organism is big.2. Which of the following functions of

the blood cells is CORRECT?

A. Erythrocyte - transport hormonesB. Lymphocytes - produces

antibodies

C. Neutrophil - transport oxygenD. Platelets - engulf bacteria

3. Diagram 1 shows a diagrammaticrepresentation of the blood system of

an organism.

Diagram 1

Which of the following best describes

the

blood system of the organism?

A. It is an open blood circulatorysystem.

B. It is a closed single circulatorysystem.

C. It is an incomplete doublecirculatory system.

D. It is a complete double circulatorysystem.

4. Diagram 2 shows the similaritybetween two components of thehuman blood labelled Q.

Diagram 2

Which of the following statements is

TRUE about Q?

A. Both are red in colourB. Both do not have a regular shapeC. Both contain haemoglobinD. Both do not have nucleus

5. Diagram 3 shows the constituents ofthe human blood.

Diagram 3

Which of the following is TRUE about

X?

A. Fibrinogen, platelets, eosinophilB. Serum, lymphocytes, leucocytesC. Fibrinogen, basophil, neutrophilD.

Erythrocytes, leucocytes, platelets

6. Diagram 4 shows a process carriedout by neutrophil.

Diagram 4


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What is the process?

A. PhagocytosisB. NeutralisationC. PrecipitationD. Agglutination

7. Different blood circulatory systems inanimals are shown in Diagram 5

Diagram 5

Which of the following is the example

of Q?A. FishB. RabbitC. FrogD. Grasshopper

8. Which of the following are theenzymes involved in blood clotting?

I thrombokinase

II fibrinogen

III thrombin

IV calcium ions

A. I and III onlyB. II and IV onlyC. I, II and III onlyD. II, III and IV only

9. Which of the following blood cells hasno nucleus?

A. MonocytesB. ErythrocytesC.

Granulocytes

D. Lymphocytes

10.Which of the following are needed toconvert the protein prothrombin to

thrombin?

A. Calcium ions + vitamin KB. Vitamin K + iodine ionsC. Iodine ions + vitamin CD. Vitamin C + calcium ions

11.The following describes thecharacteristics of part of lymphatic

system.

Filters the lymph Eliminates pathogen Contains a network of fibres

The part is

A. Lymphatic ductsB. Lymphatic capillariesC. Lymphatic vesselsD. Lymph node

12.Diagram 6 shows substance Pdiffusing from the blood capillary into

the interstitial fluid around muscle

cells.

Diagram 6

What could possibly be P?

A. UreaB. GlucoseC. GlycogenD. Carbon dioxide

13.


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soalan objektif mac2014

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