List of top Biology Questions

Heartwood differs from sapwood in

Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified?

Genetic engineering has been successfully used for producing

dB is a standard abbreviation used for the quantitative expression of

A renewable exhaustible natural resource is

Which one of the following ecosystem types has the highest annual net primary productivity ?

Spirulina belongs to kingdom

Which factor controls the population density ?

Genetically engineered bacteria are being employed for production of

Rhizophora is a characteristic component of

The term biosystematics was coined by

The fungus commonly known as bread mould is

Who proposed the chromosomal theory of inheritance ?

Which group of scientists from the following discovered glycolytic pathway of glucose degradation?

Vital capacity, the maximum volume of air a person can exhale after maximum inhalation is measured with

The pollen grain is related to the embryo sac as

The Indian Botanical Garden is located at

The basis of DNA finger printing is .........

Ten percent law of energy transfer at successive trophic levels in food chain was given by

Polypetalous corolla, twisted aestivation, monadelphous stamens and capsular fruit are the essential features of the family