Question # 1

Which of the following protein takes in part in blood clotting:

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Albumin

Prothrombin

Fibrinogen

Fibrin

Blood circulation in humans being was first described by Muslim Anatomist ............... .

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William Harvey

Ibn-al-Nafees

Bu Ali Seena

Ibn Al Haitehm

In the embryonic and foetal life RBCs are produced in:

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Liver

Ribs

Spleen

Liver and spleen

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

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Immunoglobulin or antibodies

Prothrombin

Haemoglobin

Fibrenogen

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

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Plasma

Lymph

Serum

Puss

Trace the pathway of water from the soil through the plant to be the atmosphere:

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Endodermis, cortex , epidermis , xylem , intercellular spaces in mesophyll, stomata

Epidermis, endodermis , phloem, cortex of leaf, intercellular spaces of mesophyll, stomatta

Root hairs, epidermis , Cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata

Root hairs, Cortex, endodermis ,xylem,intercellular spaces in mesophyll, stomata

According to pressure flow mechanism which is the actual force behind the movement of food in phloem?

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Drop in the pressure at the sink end

Gain of water at the sink end

Osmotic pressure

All of these

Exchange of materials between blood and surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of these

Which of the following cells is most abundant in the blood?A

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Red blood cells

White blood cells

Platelets

None of these

Rhesus factor was first identified in Rhesus .............. .

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Dog

Monkey

Cat

Gorilla

What is correct about human red blood cells?

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Have limited life span

Are capable of phagocytosis

Produce antibodies

Are multinucleate

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

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Leaf

Stem

Fruit

All

In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from:

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Pink to blue

Blue to pink

Pink to colourless

Colourless to pink

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