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NEET Biology Mineral Nutrition In Plants Question Bank Critical Thinking

  • question_answer
    Which of the following shows that metabolic energy is required in the absorption of ions                               [MP PMT 1992]

    A) More ions absorption in presence of oxygen

    B) Less absorption of ions in presence of oxygen

    C) More ions absorption in presence of ATP

    D) More ions absorption in presence of NAD

    Correct Answer: C

    Solution :

    The absorption of ions, involving use of metabolic energy is called active absorption. Energy is generally obtained from ATP. Therefore, active absorption is linked to hydrolysis of ATP.


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