Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.

How many pollen mother cells will from 800 pollen grains

To produce 40 pollen grains ………………. Microspore Mother Cells are required.

An anther has 1200 pollen grains. How many pollen mother cells must have been there to produce them?

What is the function of the two male gamets produced by each pollen grain in angiosperms?

Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order in which they are followed in the hybridization programme. (a) Re-bagging (b) Selection of parents (c) Bagging (d) Dusting the pollen on stigma (e) Emasculation (f) Collection of pollen from male parent