Question # 1

What is correct about human red blood cells?

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Have limited life span

Are capable of phagocytosis

Produce antibodies

Are multinucleate

The normal pH of human blood is:

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6.4

7.4

8.4

9.4

When fibrinogen makes blood clot, it separates from blood and the remainder is called:

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Plasma

Lymph

Serum

Puss

Which of the followings is area of supply of blood in plants?

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Leaf

Stem

Fruit

All

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

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Blood group A or AB

Blood group A or O

Blood group A only

Blood group O only

Stomata close when the guard cells;

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Lose water

Gain chloride ions

Became turgid

Gain potassium ions

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

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Lymphocytes

Eosinophils

Monocytes

Basophils

In most plants, the food is transported in the form of:

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Glucose

Sucrose

Starch

Proteins

Find the correct path of blood circulation.

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Left atrium, left ventricle, lungs, right atrium, right ventricle, body

Right atrium, right ventricle, lungs, left atrium, left ventricle ,body

Left atrium, left ventricle, right atrium, right ventricle, lungs body

Right atrium, lungs, right ventricle, left atrium, body , left ventricle

Plasma is made up of water and _____________

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Metabolities and wastes

Salts and ions

Proteins

All of the above

Capillaries are ............ micrometer in diameter.

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

Which of these statements is correct about the circulatory system?

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It transports hormones

Capillaries have thicker walls than veins

Systemic circulation carries blood to and from the lunges

All of the above are true

Platelets life span in about ........... days.

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6-7

7-8

5-6

8-9

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