Pollen Pistil Interaction
Trending Questions
Q. The present on the surface of the pollen and the stigma determine whether they are comptatible or incompatible.
- antigens
- proteins
- nucleoproteins
- lipids
Q. The generative cell of a pollen grain was destroyed by laser but a normal pollen tube was still formed because
- vegetative cell is not damaged
- contents of killed generative cell stimulate pollen growth
- laser beam stimulates growth of pollen tube
- the region of emergence of pollen tube is not harmed.
Q. In angiosperms pollen tube can liberate their male gametes into the ___.
- central cell
- antipodal cells
- egg cell
- synergids