Which disese have been eliminated from the world.

Name the following:A process by which the unwanted nitrogenous wastes are eliminated from the body.

Name the basic Nitrogenous catabolite of proteins produced in the body of a whale.In What form is it eliminated from the body ?What is advantage of this kind of excretion?

Complete the fill ups. At present about 30 recombinant……………have been approved for human use the world over.

It is said, that the harmful alleles get eliminated from population over a period of time, yet sickel cell anaemia is persisting in human population. Why?

Stirred tank bioreactors have been designed for :

Into how many kingdoms, systematics has been divided from time to time?

Give the approximate numbers of species which have been described and idenified all over the world.