What is the function of germ pore?
Emergence of radicle
Absorption of water for seed germination
Initiation of pollen tube
Release of male gametes
Describe the structure of pollen grain and explain the development of male gametophyte in it.
The process of formation of microspores from a pollen mother cell is called
Complete the following flow chart
Pollen Mother cell $\to $ Pollen tetrad $\to $ Pollen grain $\to $ Vegetative cell
Pollen Mother cell $\to $ Pollen tetrad $\to $ Pollen grain $\to $ ..........
How many meiotic divisions are necessary to produce $100$ pollen grains
In $40\;\%$ angiosperms, the pollen grains are shed at