Who referred virus as "contagium vivum fluidum"?

Contagium vivum fluidum was proposed by

Who referred transpiration as unavoidable evil and necessary evil?

the AIDS virus is

Taxonomy refers to

Who obtained virus in crystalline form for the first time?

Choose the correct options A frame of reference which moves with constant velocity with reference to a stationary frame of reference is called

A frame of reference which moves with constant velocity with reference to a stationary frame of reference is called______________.

Osmosis refers to

Which animal is referred to as friend of farmers?

Why is water referred as 'molecule of life' ?