A) growth of pollen tube
B) allowing entry of pollen tube
C) coming out of pollen tube from pollen grains
D) germination of pollen grains
Correct Answer: B
Solution :
Micropyle is the narrow or passage left by the integuments at one end of the ovule. It allows the entry of pollen tube into the ovule. This phenomenon is known as progency, e.g., Lily.
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