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Fragmentation

Gemmae in mar...

Question

Gemmae in marchantia develop in

A

Ventral surface of its thallus

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B

Dorsal surface of its thallus

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C

Gemma cups

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D

None of the above

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Solution

The correct option is C Gemma cups
The production of gemmae is a widespread means of asexual reproduction in both liverworts and mosses. In liverworts such as Marchantia, the flattened plant body or thallus is a haploid gametophyte with gemma cups scattered about its upper surface. The gemma cups are cup-like structures containing gemmae.

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