List of top Biology Questions

Sea urchin eggs are termed as:

Phenomenon of 'Industrial melanism' demonstrates

In the chlorophyta, the reserve food of protein surrounded by starch, form a compact body termed:

In spermatogenesis, the acrosome of sperm is formed by

In blue-green algae photosynthetic pigments are located in:

Ficus is an example of which kind of inflorescence?

Epiphytic roots absorb moisture from atmosphere directly due to presence of

Cumulus covers

The stem tubers are the swollen ends of specialised underground stem branches, which help in vegetative propagation of the plant. Solanum tuberosum is an example of a root tuber which stores inulin as the main reserve food material.

It is the brain, not the sense organs, that interprets the stimulus. Sense organs are transducers. They transform the energy of a stimulus to the energy of nerve impulses.

The micro-organism grown on molasses and sold as a food flavouring substance is

Antibiotic flavicin is obtained from

The function of renin is

Inflammatory response, in allergy, is caused by the release of

Which of the following chambers of the heart has the thickest muscular wall?

Which gland plays a key role in metamorphosis of frog?? tadpole?

Anemophilous flowers have

When a bacteriophage, in its lytic phase, carries some of the bacterium partially digested chromosome with it to another host cell, the process is called

Which of the following is pollution related disorder?

Which of the following organelles has single membrane?

In operon concept, regulator gene functions as

In 1984, Bhopal gas tragedy was caused due to leakage of

D.D.T.is

??omma?

Kidney of adult reptiles are