Elater mechanism for seed dispersal is exhibited by

Riccia

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Marchantia

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Dryoptenis

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Funaria

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Solution

The correct option is B Marchantia
Elaters are the long spindle shaped hygroscopic structures with spiral thickening inside them. They are present inside the capsule of Marchantia and serve in spore dispersal. Dryopteris is a fern while Riccia and Funaria lack elaters. So, the correct answer is option B.

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