I control the food production of a cell.Who am I____?

I am the supporter and protector of the plant cell. Who am I?

I am the state tree of Tamilnadu.Who am I____?

Who invented production of paper______.

I am like a policeman. Who am I____?

Three alleles namely 1^ A , I^B , and i control the blood grouping in human beings. How many different genotypes are likely to be present in the human population?

I am the outer most layer of an animal cell. Who am I?

A 'control centre' of the eukaryotic cell is

(I) Secondary metabolites are "by products" of cell metabolism. (II) Production of secondary metabolites can be automated using bio-reactors. (III) Fusion product of protoplast with nucleus of different cells are cybrid. (IV) Polyethylene glycol is used as growth agent in tissue culture.