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KVPY Sample Paper KVPY Stream-SX Model Paper-23

  • question_answer
    From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:

    A) Liverworts

    B) Mosses

    C) Pteridophytes    

    D) Gymnosperms

    Correct Answer: C

    Solution :

    In Pteridophyte, megaspore is retained for some times in female gametophyte, however the permanent retention is required for seed formation in Gymnosperms. That's why Pteridophytes exhibit precursor to seed habit only.


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