List of top Biology Questions

Which of the following cell type is capable of giving rise to other cell types in sponges ?

Which of the following layer of epidermis in man provides the main protection of body against water loss and the entry of disease causing organisms ?

Diabetes insipidus occurs due to the hyposecretion of

Philadelphia chromosome is found in the patient suffering from

Which one of the following gases contributes maximum to the 'green house effect' on the earth?

'Lac operon' in E. coli, is induced by

In mitochondria, cristae act as sites for

A disease caused by eating fish contaminated by industrial waste, containing mercury compounds, is called

Centromere is required for

The pyramid which cannot be inverted in a stable ecosystem is that of

Which of the following is the function of enterogastrone?

Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH in

The process of translation is

During DNA replication, the strands separate by

Which one is a C4-plant?

Pteridophytes differ from bryophytes and thallophytes in having

Association of animals when both partners are benefitted

Study of inter-relationships between organisms and their environment is

Pyrenoids are the centres for formation of

Neomycin is extracted from

Pyramid of numbers in a pond ecosystem is

Testosterone is produced by

Chloroplast of Chlamydomonas is

Glucose is taken back from glomerular filtrate

Theory of Natural Selection dwells on