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NEET Sample Paper NEET Sample Test Paper-14

  • question_answer
    Macro and micronucleus is the characteristic feature of

    A)  Paramecium and Vorticella

    B)  Opelina and Nictothisus

    C)  Hydra and Balantidium

    D)  Vorticella and Nyctotherus

    Correct Answer: A

    Solution :

    The macronucleus lacks nuclear membrane and is formed of trophochromatin. It regulates the metabolic activities of the body and it is also known as trophonucleus. The micronucleus has a definite nuclear membrane and controls the reproductive activities of Paramecium and Vorticella.


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