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Question

The most reduced gametophytic stage is present in

A
Thallophyta
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B
Angiospermae
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C
Gymnospermae
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D
Bryophyta
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Solution

The correct option is B Angiospermae
A gametophyte is the haploid multicellular stage, which occurs during the alternation of generations in the life cycle of plants. In case of heterosporous ( plants with two types of spores) the gametophytes are uni-sexual and produce either eggs or sperm. The evolution of plants however, also showcases a steady reduction in the independence and size of the gametophytic generation. While the male gametophyte develops inside the pollen grain., the female gametophyte develops inside the ovule. In Angiospermae, the gametophytic phases are reduced to a few cells and are dependent on the sporophytic phase for their nutrition.

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