NEET Biology Mineral Nutrition In Plants Question Bank Macro Nutrients

  • question_answer
    In guard cells, presence of potassium is essential for

    A) Maintaining osmotic pressure

    B) In controlling cell division

    C) In enzymatic reactions

    D) All the above

    Correct Answer: A

    Solution :

    Turgidity of guard cell is controlled by potassium, chloride and malate.


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