NEET Biology NEET PYQ-Kingdom Plantae

  • question_answer
    Sexual reproduction in Spirogyra is an advanced feature because it shows:                [AIPMT 2003]

    A) morphologically different sex organs         

    B) physiologically differentiated sex organs

    C) different sizes of motile sex organs

    D) same size of motile sex organs

    Correct Answer: B

    Solution :

    [b] In Spirogyra, the sexual reproduction involves the fusion of two morphologically identical isogametes, and physiologically dissimilar anisogametes. This is a case of primitive anisogameter. In this the active gamete is known as the male and the passive as the female.


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