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Life Cycle of Pteridophytes

Haplo-diplont...

Question

Haplo-diplontic life cycle is seen in

A

bryophytes only

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B

pteridophytes only

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C

bryophytes and pteridophytes only

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D

bryophytes, pteridophytes and kelps

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Solution

The correct option is D bryophytes, pteridophytes and kelps
Haplo-diplontic type of life cycle involves clear alternation of generations between a haploid gamete producing gametophyte and a diploid spore-producing sporophyte. The haplo-diplontic life cycle is seen in all bryophytes and pteridophytes, along with certain algae. It is also observed in certain algae like Ectocarpus, Polysiphonia and kelps.

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Life Cycle of Pteridophytes

Standard XII Biology

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