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Biology 9th Class English Medium Chapter 9 Online Test MCQs With Answers

Question # 1

What is correct about human red blood cells?

Choose an answer

Have limited life span

Are capable of phagocytosis

Produce antibodies

Are multinucleate

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Question # 2

Stomata close when guard cells:

Choose an answer

Loss water

Gain chloride ions

Become turgid

Grain potassium ions

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Question # 3

Which of the followings are not Gramulocytes?

Choose an answer

Neutrophils

Eosinophils

Monocytes

Basophils

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Question # 4

The amount of plasma in blood is:

Choose an answer

35%

45%

55%

65%

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Question # 5

A patient with blood group A can be given the blood of donor who has;

Choose an answer

Blood group A or AB

Blood group A or O

Blood group A only

Blood group O only

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Question # 6

Pus is formed from which of the following dead white blood cells?

Choose an answer

Lymphocytes

Eosinophils

Monocytes

Basophils

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Question # 7

Which of the following chambers has the thickest walls in human heart?

Choose an answer

Right atrium

Left atrium

Left ventricle

Right ventricle

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Question # 8

Plasma constitute about ............. %.

Choose an answer

50%

55%

40%

45%

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Question # 9

The death of the heart tissue is called:

Choose an answer

Arterioclerosis

Atherosclerosis

Myocardial infarction

Thalassemia

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Question # 10

The percentage of plasma protein in the blood is:

Choose an answer

4 - 5

5-6

7-8

7-9

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Question # 11

In the embryonic and foetal life RBCs are produced in:

Choose an answer

Liver

Ribs

Spleen

Liver and spleen

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Question # 12

Which of the following proteins is not present in the plasma of the blood?

Choose an answer

Immunoglobulin or antibodies

Prothrombin

Haemoglobin

Fibrenogen

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Question # 13

ABO blood group system was discovered in 1901 by .................. .

Choose an answer

Camillo

Karl land Steiner

Robert Hooke

Mathias Schleiden

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