Which is the largest poisonous snake?

Among the following which one is a Homeothermic animal.

Round worm is an example of

Among the following which one is a poikilothermic animal.

______ is referred to as farmer's friend.

Who was the person who first observed and draw sperm cells?

Animals are classified into vertebrates and invertebrates based on the presence and absence of

Name one bird which can survive freezing cold temperature?

What is the action of the drug that derived form the extract of poison arrow frog?

Among the following which one is an example of acoelomate