Which layer of cells possess dense cytoplasm and generally have more than one nucleus ?
Endothesium
Epidermis
Tapetum
Middle layer
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
The insect Blastophaga grossorum is associated with the pollination of
Exalbuminous seeds are of
In which of the following types of embryo sac the megaspore nuclei do not fuse to form a triploid nucleus at chalazal end
A typical angiosperm embryo sac at maturity has