NEET Biology Respiration In Plants Question Bank Assertion and Reason

  • question_answer
    Assertion : Under aerobic conditions, pyruvate gives rise to lactate. Reason : Under anaerobic condition, pyruvate gives rise to acetyl CoA.

    A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

    B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

    C) If the assertion is true but the reason is false

    D) If both the assertion and reason are false

    E) If the assertion is false but reason is true

    Correct Answer: D

    Solution :

    Under aerobic conditions, the products are pyruvate and coenzyme NADH. Pyruvate directly enters the mitochondrial matrix and is converted into acetyl-CoA. Under anaerobic conditions, pyruvate is used as a hydrogen acceptor and converted into lactate. In anaerobic conditions, pyruvate remains in the cytosol.


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