12th Class Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Assertion and Reason - Molecular Basis of Inheritance

  • question_answer
    Direction: Each of these questions contains two statements
    Assertion [A] and Reason [R]. Each of these questions also has four alternative choices, any one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below.
    Assertion [A] Polyribosomes are formed during active protein synthesis.
    Reason [R] Different ribosomes of polyribosomes are connected with RNA.
     

    A) Both A and R are true and R is the correct explanation of A

    B) Both A and R are true, but R is not the correct explanation of A

    C) A is true, but R is false

    D) A is false, but R is true

    Correct Answer: C

    Solution :

    [c] A is true, but R is false. R can be corrected as The different ribosomes of a polyribosome are connected with a 10-20 thick strand of messenger RNA or T/zRNA and its maintenance requires energy. Polyribosomes are formed during periods of active protein synthesis when a number of copies of the same polypeptide are required.


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