List of top Biology Questions

The disease, in which thick cough, stops the passage of throat and form a layer of mucous membrane, is called

Which of the following plants keeps its stomata open during the night and closed during the day?

Which of the following is not a genetic vector ?

MAB stands for

In frog, the surface of attachment of tongue is

In frog, 'fenestra ovalis' is

In an animal cell, protein synthesis takes place

Genes are packaged into a bacterial chromosome by

Cold-blooded animals have no fat layer. Cold-blooded animals use their fat for metabolic process during hibernation.

The endocrine gland of insects, which secretes the juvenile hormone, is

Quill feathers at the base of quill wings are called

First restriction endonuclease enzyme was discovered in

Among the following sets of fruits, those that belong to the same category, from the point of view of classification, are

Each of the numerous tiny apertures on the body of sponge is known as:

Octonucleated cyst stage is found in:

Protozoan living in the seminal vesicles of earthworm is:

Human eye lens is:

Which one of the following is a genetic disease?

The tadpole resembles fish most during this stage:

Birds like eagle and hawk in a grassland ecosystem are regarded as:

The gene for haemophilia is known to be located on:

The portal system seen in all vertebrates is:

Anastral mitosis is the characteristic of:

Water potential in the leaf tissue is positive (+) during

Which one of the following vitamins can be synthesized by bacteria inside the gut?