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NEET Biology Plant Kingdom Question Bank Spirogyra and Ulothrix

  • question_answer
    In Ulothrix, zygote is                                         [Uttaranchal 2001]

    A)               Nonflagellate                    

    B)                    Uniflagellate

    C)                    Biflagellate                        

    D)               Tetraflagellate

    Correct Answer: D

    Solution :

                       In Ulothrix when two gametes (biflagellate) of (+) and (-) strain come together, they fuse and a tetraflagellated zygote is formed. It secretes a thick wall and becomes non motile to form zygospore.


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