Pollen banksA : Store pollen grain in liquid nitrogenB : Are centers for storage of pollen grains for various artificial plants breeding programs.
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a
Only (A) is correct.
b
Only (B) is correct.
c
Both (A) and (B) are correct
d
Both (A) and (B) are incorrect.
answer is C.
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Detailed Solution
It is possible to store pollen grains of a large number of species for years in liquid nitrogen (-1960C). Such stored pollen can be used as pollen banks, similar to seed banks, in crop breeding programmes.