NEET Biology question

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

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

Answer: (D)

Solution

In these heterosporous pteridophytes, the megaspore is retained within the megasporangium and the resulting female gametophyte develops while still

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Question ID VK-118291