AIIMS AIIMS Solved Paper-2001

  • question_answer
    I Sometimes, the fern plant arises from fern prothallus without fertilization. This is an example of:

    A)  apospory                           

    B)  apogamy                           

    C)  parthenocarpy                                

    D)  gametogenesis

    Correct Answer: B

    Solution :

    When a fern plant arise from any cell of prothallus, it is called apogamy, it, development of sporophyte from gametophyte without fertilization. Apogamy was first tint reporpted by Farlow (1874). Apospory is the development of gametophyu directly from sporophytic tissues, suck gametophytes have diploid number of chromosomes. Parthenocarpy is the development of fruits without fertilization. Gametogenesis is the process of formation of gametes (male and female).


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