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A Prothallus is
(a) A structure in pteridophytes formed before the thallus develops.
(b) A sporophytic free living structure formed in pteridophytes.
(c) A primitive structure formed after fertilisation in pteridophytes.
(d) A gametophyte free-living structure formed in pteridophytes.
Answers (1)
Ans. (d) A gametophyte free-living structure formed in pteridophytes is know as prothallus.
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