A) The microsporangium in which pollen grains develop
B) A cell in the pollen grain in which the sperms are formed
C) A cavity in the ovule in which pollen grains are stored after pollination
D) An opening in the megagametophyte through which the pollen tube approaches the egg
Correct Answer: A
Solution :
The fertile region of microsporophyll bears a number of microsporangia or pollen sacs arranged in sori. The pollen chamber represents microsporangium in which pollen grains develops.
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