In a pollen grain, larger nucleus is
Generative nucleus
Tube nucleus
Vegetative nucleus
None of these
(b)Tube has a large nucleus which is surrounded by thin sheath of cytoplasm.
In flowering plants, a mature 'male gametophyte' is derived from a 'pollen mother cell' by
Identify $'a'$ in given figure :
Microspore tetrads forms due to meiotic division occurs in……
Haploids can be obtained form
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