The largest living animals belong to the group of

Yellow fever is spread by

Glucose is stored in our body in the form of

Rh factor is present in

The outer convex region of kidney is called

Retina contains the sensitive cells called

Number of bones in human body is

Birds excrete nitrogenous waste in the form of

Night blindness is caused due to deficiency of

In scorpion, poison is present in the

Medulla oblongata is called

The length of the spinal cord is about

Bleeding of gums is one of the symptoms of

Rabies is transmitted by

The escape of haemoglobin from RBC is known as

The branch of zoology which deals with the study of tissue is

Which one of the following is a protein deficiency disease?

The excretory organ of the earthworm is

The upper heart chambers are called

Internal fertilization takes place in

The study of fresh water habitat is called

Which one of the following is a biotic component?

Bees are particularly sensitive to

AIDS is caused by

Gene mutation takes place in

The rearing of silkworm is known as

Terrestrial insects produce

Bile is secreted by

Energy can be defined as the capacity to do

Snake venom is used as

The enzyme which keeps the mouth clean from the action of bacteria is

Earthworms live in ----- in moist soil.

---- are the blood vessels which carry blood towards the heart.

The inner pale region of the kidney is called

Kidneys are ------ shaped.

Which vitamin is destroyed by cooking?

To which group Dolphins belong?

Dengue fever is spread by

The tusks of an elephant are modified?

Radioactive isotopes causes

Dialysis is given to a man having problems in

Plasmodium vivax causes

Saccharin is mainly used by

The fungal derivative used in the treatment of tuberculosis is

Inner part of the brain is ----- in colour

------ pairs of spinal nerves are present in the human body

----- are essential for the growth of the body.

---- cause malaria and sleeping sickness