NEET Biology question

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

(A)Female gametophyte is free and gets dispersed like seeds
(B)Female gametophyte lacks archegonia
(C)Megaspores possess endosperm and embryo surrounded by seed coat
(D)Embryo develops in female gametophyte which is retained on the parent sporophyteCorrect

Answer: (D)

Solution

In heterosporous pteridophytes like Selaginella and Salvinia, the megaspore (and the female gametophyte that develops from it) is retained within the megasporangium on the parent

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Question ID VK-086175