Which of the following is a non renewable resource?

 Plants are green because of the presence of a pigment called:

 In our country the Van Mahotsav Day is observed on

 Vermicomposting is done by

 An animal that can tolerate the heat of the desert is

 Which one the following is not biodegradable?

 If waste materials contaminate the source of drinking water which of the following diseases will spread?

 The group of organisms which convert light into food are called

 Which of the following problems is not created by noise pollution ?

 Animal(s) which is/are active at night.