AIIMS AIIMS Solved Paper-1999

  • question_answer

    Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses 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 the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.

    Assertion: Enzymes have active sites and substrates reactive sites on their surfaces respectively. Reason: Active and reactive sites push the enzyme and substrate molecules away from each other.

    A)  A                                           

    B)         B           

    C)         C                                           

    D)         D           

    E)         E

    Correct Answer: C

    Solution :

    Enzyme has specific site for substrates called as active sites and substrate also have reactive sites. These sites are complementary to each other. During reaction process active and reactive sites interact with each other.


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