List of top Biology Questions

Female Ascaris differs from male in having

During opening of stomata, influx of $K^+$ ions into the guard cells is accompanied with efflux of

Among red, blue and violet lights which one is the most efficient for photosynthesis?

In herbaceous perennial plants, the food is stored mainly in

If in a relationship, both the partners are benefitted, the relationship is termed as

Energy enters ecosystem through

Connecting link between reptiles and birds is

Chlorophyll has ................ in its centre.

The zoological name of north Indian hare is

Calvin cycle takes place in

Step always involved in respiration

Cohesion Tension theory is related with

Fermentation by yeast is due to

Black water fever is due to

Cristae are found in

The fertilization in which male gametes are carried through pollen tube is known as

Biotic components of an ecosystem include

Who discovered jumping gene in maize?

Binomial system of nomenclature was given by

Mendel? 1st law is

Melvin Calvin worked on

Which of the following do not evolve $O_2$?

Bengal famine was caused by

Bacterial conjugation was first shown by

At a time, maximum amount of urea will be present in