What is the function of germ pore ?
1.  Absorption of water for seed germination
2.  Initiation of pollen tube
3.  Release of male gametes
4.  Emergence of radicle

Anthesis is a phenomenon which refers to -

(1) formation of pollen

(2) Development of anther

(3) Opening of flower bud

(4) Reception of pollen by stigma

In Angiosperms, pollen tubes liberate their male gametes into the

1. Central cell

2. Antipodal cells

3. Egg cell

4. Synergids