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Question

What is the process exhibited by cryptogams as part of their reproductive cycle that enables them to stabilise chromosomal number required ?


A

Respiration

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B

Osmosis

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C

Alternation of Generations

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D

Diffusion

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Solution

The correct option is C

Alternation of Generations


In lower non-seed bearing plants (cryptogams) a process known as alternation of generations enables reproduction in which the plant oscillates between 2 distinct forms during its entire life cycle. In cryptogams, it manifests in a dominant haploid gametophyte stage that gives rise to a diploid sporophyte stage that will in turn produces a new haploid gametophyte.


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