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Question
If a pea plant ovary has 20 ovules. Then the maximum number of (i) megaspores and (ii) functional megaspores in that ovary will be
Options:
A .  (i) 80  & (ii) 20
B .  (i )20   & (ii) 20
C .   (i) 100 & (ii) 80
D .  (i) 800 & (ii) 200
Answer: Option A
:
A
Total megaspores produced by 20 ovules = 20 × 4 = 80.
In each tetrad only one is functional megaspore.
Therefore, the no. of functional megaspores = 20.

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