What is the ratio of equational divisions that take place in Cycas and angiosperms respectively leading to the formation to male gametes from pollen grains?
$3: 2$
$3: 1$
$2: 1$
$2: 3$
Transmission tissue is characteristic feature of
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
Ovule of Capsella is