If 400 pollen grains are produced from a single monothecous anther from its components equally, what is the number of pollen grain mother cells in each of the sporangia?
A
200
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B
100
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C
50
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D
25
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Solution
The correct option is D 100
Monothecous anther means anther having only one theca or lobe.
1 pollen mother cell undergoes meiosis to form four haploid microspores each of which develops into pollen grain.
Hence, for 4 pollen grains, 1 pollen mother cell is required.
So, for 400 pollen grains, pollen mother cells required = 400/4 = 100