Question
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) 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.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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