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Megaspores are retained inside megasporo...

Megaspores are retained inside megasporogonium for germination in species of Selaginella

A

S. bryopteris and S. lepidophylla

B

S. chrysocaulos and S. subdiaphana

C

S. selaginoides and S. kraussiana

D

S. apus and S. rupestris.

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The correct Answer is:
A
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