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NEET Biology Mineral Nutrition In Plants Question Bank Macro Nutrients

  • question_answer
    Which of the following is essential mineral element and is not a constituent of any enzyme but stimulate the activity of many enzymes [CBSE PMT 1989; BHU 1994]

    A) Zn

    B) Mg

    C) Mn

    D) K

    Correct Answer: D

    Solution :

    According to Webster (1953) potassium is activator of more than 40 enzymes connected with phosphorylation, photosynthesis, starch synthesis, respiration, synthesis of chlorophyll, DNA and proteins.


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