A microspore mother cell forms
An ovule
An embryo sac
A pollen sac
Pollen grains
During meiosis in pollen mother cell the daughter cells are interconnected by passages. The whole structure is called
Which of the following statements about sporopollenin is false?
The two-celled stage of mature pollen grain consists of
Which one of the following is resistant to enzyme action?
Tapetum is a part of