Question

Prothallus of Petridophytes is

• A. conspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte
• B. inconspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte
• C. inconspicuous, large, unicellular, free-living, photosynthetic thalloid gametophyte
• D. inconspicuous, small, multcellular, free-living, non-phot.osynthetic thalloid sporophyte

Answer 1

Answer: (B)

Prothallus of pteridophytes is inconspicuous small, multicellular, free living photosynthetic thalloid gametophyte. Haploid spore germinats to form a flat green heart shaped prothallus. It is monoecious, i.e., both sex organ male (antheridia) and female (archegonia) are present. Ferns exhibit alternation of generation.