2
Q:

The enzyme that is necessary to bring about clotting of blood is 

A) peptidase B) amylase
C) lipase D) thrombokinase

Answer:   D) thrombokinase



Explanation:

The clotting of blood is a chain reaction initiated by the enzyme Thrombokinase produced by the platelets. This causes Prothrombin and calcium salts in plasma to join and produce thrombin. Thrombin combines with Fibrinogen to produce Fibrin threads which entangles the corpuscles  to create a clot.

Subject: Biology
Q:

Which one of the following vitamins is known as the anti sterile factor  ?

A) Ascorbic acid B) Riboflavin
C) Niacin D) Retinol
 
Answer & Explanation Answer: B) Riboflavin

Explanation:
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Q:

The sex of a newborn baby is determined by the chromosome inherited from

A) The Father B) The Mother
C) The Father's Father D) Both A & B
 
Answer & Explanation Answer: A) The Father

Explanation:
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Q:

Oath taken by medical graduates is given by-

A) Theophrastus B) Aristotle
C) Darwin D) Hippocrates
 
Answer & Explanation Answer: D) Hippocrates

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Q:

During rainy season wooden doors are difficult to open or closure because of  ?

A) Imbibition B) Plasmolysis
C) Diffusion D) Osmosis
 
Answer & Explanation Answer: A) Imbibition

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Q:

The water readily available to plants for absorption by roots is

A) Gravitational water B) Rain water
C) Hygroscopic water D) Capillary water
 
Answer & Explanation Answer: D) Capillary water

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