Name any four animals provide us food.

Name any four gaseous pollutants.

Name a limbless animal

Name any two threatened animal species of India.

Name any four fundamental quantities and their SI units.

Name any four non-infectious diseases and their causes.

Name any two source organisms of agar. List any four areas in which agar has wide application

What is the meaning of the term 'aquaculture'' ? Name any three animals which can be cultured by this method.

Name two uricotelic animals.

Name any two means used for taxonomial studies which comprise of recorded descriptions of plants and animals without any kind of their specimens.

Name Any four fundamental physical quantities.