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WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    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, Volvox and aAlbugo is oogamous.
    IV. The sporophyte in liverworts is more elaborate than that in mosses.
    How many of the above statements are correct?

    A)  One            

    B)  Two

    C)  Three            

    D)  Four

    Correct Answer: C

    Solution :

     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 organs are found in specialised sexual receptacles called  anthridiophore and archegoniophore.


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