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In Marchantia...

In Marchantia

A

The male sex organ produces non-motile male gametes

B

The sex organs are produced on leafy branches

C

Both sex organs are produced on leafless stalk in the same gametophyte

D

The female sex organ is flask shaped and called archegonium

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In Riccia / Marchantia the rhizoids are

Structure protecting archegonia of Marchantia is