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    Question

    In the following question, a sentence is given, divided into 5 parts. Part (A) is grammatically correct. Out of the other four parts, only one part is without error. Mark the option containing the part with no error. If none of the parts have errors, mark ‘No error’ as your answer.

    Awaiting more unambiguous medical assessments, (A)/

    WHO and the International Commission on (B)/ Non-Ionizing Radiation Protection have use available scientific (C)/ evidence to provide exposure limit guidelines, based on (D)/ which DoT has set up safety norms in India. (E)
    A C Correct Answer Incorrect Answer
    B B Correct Answer Incorrect Answer
    C D Correct Answer Incorrect Answer
    D E Correct Answer Incorrect Answer
    E No error Correct Answer Incorrect Answer

    Solution

    In C, replace USE with USED, as the present perfect tense construction HAVE + VERB must use the past participle form of the verb. Thus, (a) is the right answer.

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