SCIENCE
PLANT KINGDOM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Adiantum
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Marchantia
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Pinus
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Polytrichum
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Detailed explanation-1: -Complete answer:In gymnosperms (like Pinus), the male and female gametophyte do not have an independent free-living existence. So They remain within the sporangia retained on the sporophytes that are female gametophyte (within megasporangium) and male gametophyte (within microsporangium).
Detailed explanation-2: -Final answer: In Pinus gametophytes is not independent free living.
Detailed explanation-3: -Sphagnum belongs to bryophyte in which the male and female gametophyte is found to be free-living and independent while comparing it with other plants such as mustard, castor, and Pinus.
Detailed explanation-4: -The gametophyte is not an independent, free-living generation in.
Detailed explanation-5: -Microspore and megaspore are the male and female gametophytes respectively in Pinus.