Question

Select the option that correctly identifies $A$, $B$ and $C$ in the given figure of female thallus of Marchantia.

• A. $A$ - Antheridiophore, $B$ - Gemma cup, $C$ - Rhizoids
• B. $A$ - Antheridiophore, $B$ - Rhizoids, $C$ - Gemma cup
• C. $A$ - Archegoniophore, $B$ - Gemma cup, $C$ - Rhizoids
• D. $A$ - Archegoniophore, $B$ - Rhizoids, $C$ - Gemma cup

Answer 1

Answer: (C)

Marchantia is dioecious plant, sex organs borne on stalked upright receptacles or gametophores. Gametophore of male thallus is called antheridiophore having a stalk and a $8$ lobed male receptacle. Gametophore of female thallus is called archegoniphore. Its receptacle has nine cylindrical processes or rays.