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Question

Diploid sporophyte is the dominant, photosynthetic, independent phase in plants exhibiting

A
haplontic life cycle
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B
diplontic life cycle
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C
haplo-diplontic life cycle
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D
diplo-haplontic life cycle
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Solution

The correct option is B diplontic life cycle
Sporophyte is the asexual and usually the diploid phase in the life cycle of an organism. It produces the spores from where the gametophytes arise.

A diplontic life cycle is where the diploid sporophytic phase is more predominant.

A haplontic life cycle is where the haploid phase is more predominant than the diploid phase.

In both haplo-diplontic and diplo-haplontic life cycles, the haploid and the diploid phases are equally prevalent in their life cycles.

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