List of top Biology Questions

The duration of cardiac cycle is

The discovery of gibberellins is related with one of the following

The chemical nature of chromatin is as follows

Sporopollenin is chemically

In which stage of meiosis crossing over takes place ?

Hydra reproduces by budding. This is an example of

Fusion of male gamete with polar nuclei of embryo sac is known as

Energy and nutrients enter a community by

Digestion is brought about by

Digestion in Hydra takes the place within

Which of following mineral-nutrients plays an important role in biological nitrogen fixation?

Somaclones are obtained by

Recombination is involved in the process of

Niche is defined as the

Lime is added to the soil which is too

Largest single mass of lymphatic tissue in the body is

In higher plants, the shape of the chloroplast is

Endoplasmic reticulum is in continuation with :

Diploid cells have

Deserts, grasslands, forests and tundra are the examples of

Electroporation Procedure involves

'Good ozone' is found in the

Hypertension is not caused by

Thromboplastin required for blood clotting at the place of injury is released by

The opening of inferior vena cava into right auricle is regulated by