NEET Biology Principle Of Inheritance And Variation Question Bank Assertion and Reason

  • question_answer
    Assertion : DNA polymerase-I acts as proofreader. Reason : DNA polymerase-I removes mismatched nucleotides.

    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: A

    Solution :

    DNA polymerase I can also remove thymine dimers produced due to UV irradiation and fill the gap due to excision. The newly formed segment is sealed by DNA ligase.


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