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Question
In which of the following groups of plants do the gametophytes lack an independent free - living existence?
In which of the following groups of plants do the gametophytes lack an independent free - living existence?
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Solution
The correct option is B Gymnosperms and Angiosperms
In gymnosperms and angiosperms, the diploid sporophyte is the dominant, photosynthetic, independent phase of the plant. The gametophytic phase is represented by the single to few-celled haploid gametophyte. The gametophytes depend on the sporophytes and lack an independent, free-living existence.
In Bryophytes and Pteridophytes the gametophytes are independent and free-living.
In gymnosperms and angiosperms, the diploid sporophyte is the dominant, photosynthetic, independent phase of the plant. The gametophytic phase is represented by the single to few-celled haploid gametophyte. The gametophytes depend on the sporophytes and lack an independent, free-living existence.
In Bryophytes and Pteridophytes the gametophytes are independent and free-living.
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