Read the following statements (IV) and answer the question which follows them I. In liverworts, mosses and ferns gametophytes are free living. II. Gymnosperms and some ferns are heterospores. III. Sex

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Read the following statements (IV) and answer the question which follows them I. In liverworts, mosses and ferns gametophytes are free living. II. Gymnosperms and some ferns are heterospores. III. Sexual reproduction in Fucus, Vofvox and Albugo is oogamous. N. The sporophyte in liverworts is more elaborate than that in mosses. How many of the above statements are correct?NEET 2013 (All India)

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Statement I, II and III are correct. In IV-sporophyte in mosses is more elaborate than in liverworts. V-Pinus is a monoecious plant, producing male and female cones every year. In Marchantia, plant body is strictly dioecious and isomorphic. Sex argans are found in specialised sexual receptacles called anthridiophore and archegoniophore.

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