Prothallus of Adiantum is

spherical shaped

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rod shaped

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comma shaped

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heart shaped

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Solution

The correct option is D heart shaped
Adiantum is a fern. Prothallus is heart shaped. It is a gametophyte of pteridophytes. It is a small, multicellular, independent structure which contain the sex organs. It needs damp places to survive. This is one of the reasons why the pteridophytes are limited in distribution to narrow geographical regions.

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