Question

In a pollen grain, larger nucleus is [AFMC 1987]
A) Generative nucleus B) Tube nucleus C) Vegetative nucleus D) None of these

Answer 1

Answer:tube nucleus

Explanation:

Answer 2

In pollen grain is the larger nucleus is the vegetative nucleus.

Explanation:  

It is macronucleus of the ciliate animals. The large nucleus established within “pollen grain” of angiosperm along with one or two “small generative nuclei”.  The germination of the pollen grain leads to migration of the end of the pollen tube, which is termed as “tube nucleus”. The “tube nucleus” controls the extension or growth of the “pollen tube”.