Question

A prothallus of fern contain

• A. antheridia and archegonia on lower surface
• B. antheridia and archegonia on upper surface
• C. antheridia on upper surface and archegonia on lower surface
• D. antheridia on lower surface and archegonia on upper surface

Answer 1

Answer: (A)

Prothallus of fern is gametophyte and formed from spore. It is attached to soil by unicellular rhizoids developed from posterior part of ventral surface. It bear sex organs (antheridia and archegonia) on ventral or lower side.