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Biology

Biology
The layer of cells between endodermis and vascular bundles is called

Hypodermis
Cortex
Pith
Pericycle

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Biology
Most fish do not sink in water because of the presence of swim bladder air bladder air sacs air in spongy bones

I and II are correct
I, II, III and IV are correct
III and IV are correct
II and III are correct

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Biology
Vitamin K is required for

Blood clotting
Calcium phosphorus
Carbohydrate metabolism
Respiration

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Biology
A person with 'AB' blood group is sometimes called a universal recipient because of the

Presence of antibodies in his blood
Lack of antigen in his b lood
Lack of both antigen and antibodies in his blood
Lack of antibodies in his blood

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Biology
Which one of the following processes takes place in lakes during eutrophication?

Rapid destruction of algal growth
Loss of dissolved nutrients from water
Excessive availability of dissolved oxygen
Excessive entry of nutrient into water

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Biology
The kilo calories of energy released from one gram of fats is

5.49
9.45
9.54
4.59

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MORE MCQ ON Biology

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