Vegetative propagation in Pistia occurs by
stolon
offset
runner
sucker.
$A$ : Certain proteins of pollen origin identifies the compatible stigma.
$R$ : Compatibility proteins are found located in ektexine.
Which of the following statement is correct?
Entry of pollen tube with two male gametes and tube nucleus through micropyle, is
The formation of embryo without fusion of gametes is termed, as
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?