Calyptra develops from

Venter wall of archegonium

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Outgrowth of gametophyte

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Neck wall of archegonium

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Paraphysis of the archegonial branch

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Solution

The correct option is A Venter wall of archegonium
In bryophytes and pteridophytes, the lower cells of the ventral wall of archegonium undergo division to produce a protective structure around the capsule called calyptra. It also reduces the transpiration by the capsule. Thus the correct answer is option A.

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The embryo gets embedded in the wall of the ___for further development.

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