BHU PMT BHU PMT (Mains) Solved Paper-2010

  • question_answer
    Sometime a ladder like structure in Spirogyra is formed due to

    A)  lateral conjugation

    B)  asexual reproduction

    C)  scalar form conjugation

    D)  direct conjugation

    Correct Answer: C

    Solution :

                     Spirogyra reproduces sexually by means of conjugation. In scalariform conjugation, two filaments lie parallel to each other and form a conjugation tube through which gametes fuse to form zygospore. Due to this, it is called a ladder like conjugation.


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