Biology Past Questions and Answers

In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the

In spite of the removal of carbondioxide from the atmosphere, its amount remains more or less constant because

In a tropical rain forest, non-epiphytic ferns and allies occur as

Colonization of a bare rock surface is termed

Which of the following is a measure for the control of bilharzia?