Question:
A Prothallus is
a. A structure in pteridophytes formed before the thallus develops
b. A sporophytic free-living structure formed in pteridophytes
c. A gametophyte free-living structure formed in pteridophytes d. A primitive structure formed after fertilization in pteridophytes
Solution:
Option (c) A gametophyte free-living structure formed in pteridophytes d. A primitive structure formed after fertilization in pteridophytes is the answer.