Question

pollen grains are collected by​

Answer 1

Answer:

Explanation:

in a process called microsporogenesis, four haploid microspores are produced from each diploid sporogenous cell (microsporocyte, pollen mother cell or meiocyte), after meiotic division. After the formation of the four microspores, which are contained by callose walls, the development of the pollen grain walls begins.

Answer 2

Explanation:

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