Apart from being of the food chain, predators play other important roles. Mention any two such roles supported by examples.

Mention any two significant roles predation plays in nature.

Mention three areas in which H_2SO_4 plays an important role.

Which process plays an important role to bring back water on the surface of the earth ?

True or False Henle's loop plays an important role in concertrating the urine.

Name the element which plays an important role in opening and closing of stomata.

Light plays an important role in the life of all organism. Name any three physiological processes in plants which are ffected by light.

Nane the element that plays an important role in biological nitrogen fixation: