Question

A)describe the structure of pollen grain. (b) give two points of difference between microsporogenesis and megasporogenesis

Answer 1

Answer:

a)outer exine

inner intine

two cells

larger one is vegetative

smaller one is generative

b)MICROSPOROGENESIS

* the development of pollen grains

* it developes from pollen mother cell

* it is a two celled structure

MEGASPOROGENESIS

*the development of megaspore

* it develops from a megaspore mother cell

* it developes into 7 celled and 8 nucleated structure.