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In which of the following, gametophyte is not independent free living?

(a) Pteris

(b) Pinus

(c) Funaria

(d) Marchantia
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Ans: (b) Pinus

Sol: In gymnosperms (like Pinus), the male and female gametophyte do not have an independent free living existence. They remain within the sporangia retained on the sporophytes i.e., female gametophyte (within megasporangium) and male gametophyte (within microsporangium).

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