Question
Dolphins display culture, something long believing to be
unique to humans. 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 1), 2), 3) and 4). 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 5) as the answer.Solution
Dolphins display culture, something long believed to be unique to humans. - As the sentence mentions about a culture that is going on since a long period of time, therefore past form of the verb will be used. - The adjective ‘unique’ will be followed by the preposition ‘to’ only.
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