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NEET Biology Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली Question Bank Critical Thinking

  • question_answer
    Marine protozoans lack contractile vacuole because  [DPMT 2001]

    A)            Their body cannot accommodate it

    B)          They are hypo osmotic to their environment

    C)            They are isotonic with their environment

    D)            Osmoregulation is done by cell membrane

    Correct Answer: B

    Solution :


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