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    Question

    Scientists are learning more about how diabetes affect

    the cardiovascular, renal, nervous, and ophthalmological systems. Directions: In each question below, a sentence is given with a part of it printed in bold type. That part may contain a grammatical error. Each sentence is followed by phrases (A), (B), (C) and (D). Find out which phrase should replace the phrase given in bold to correct the error, if there is any, and to make the sentence grammatically meaningful and correct. If the sentence is correct as it is and ‘No correction is required’ , mark (E) as the answer.
    A Scientists is learning more about how diabetes affects Correct Answer Incorrect Answer
    B Scientist are learning more about how diabetes affects Correct Answer Incorrect Answer
    C Scientist are learning more about how diabetes affect Correct Answer Incorrect Answer
    D Scientists are learning more about how diabetes affects Correct Answer Incorrect Answer
    E No correction is required Correct Answer Incorrect Answer

    Solution

    Here, ‘diabetes’ is considered singular. So, ‘affects’ is correct. Scientists are learning more about how diabetes affects the cardiovascular, renal, nervous, and ophthalmological systems.

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