If the developing microspore mother cells draw nourishment by contacting the tapetal cells, the type of tapetum is called
Plasmodial tapetum
Secretory tapetum
Amoeboid tapetum
Endothelium
Vegetative propagation in Pistia occurs by
In which of the following pollination takes place by lever mechanism
Transmission tissue is characteristic feature of
The outermost layer of endosperm of maize grain is called