What is the function of germ pore?
Emergence of radicle
Absorption of water for seed germination
Initiation of pollen tube
Release of male gametes
The most resistant organic material known which makes up the outermost layer of pollen wall is
Pollen grains are released from
Which part of the reproductive structure produces both enzymes and hormones
Pollens outer layer is called ...$A$... This is made up of ...$B$.... This is absent on the ...$C$.... Fill in the blanks $A, B$ and $C$
The tapetal nuclei in anthers of many angiosperm flowers are