BHU PMT BHU PMT (Screening) Solved Paper-2005

  • question_answer
    A fern prothallus is bisexual. If fertilization takes place between their gametes than it is known as:

    A)  cross fertilization            

    B)  self fertilization

    C)  isogamous                        

    D)  viviparous

    Correct Answer: B

    Solution :

                     Self fertilization is the union of male and female gametes produced by the same individual i.e., from a bisexual individual. Cross fertilization is the fertilization of male and female gametes produced by different individual. Isogamous means fusion of isogametes (i.e., of same morphology and physiology). Viviparous means gives birth to young ones.


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