Question 25 Verbal Ability and Reading Comprehension 2017 Medium MCQ +3.00 marks · -1.00 negative

North American walnut sphinx moth caterpillars (Amorpha juglandis) look like easy meals for birds, but they have a trick up their sleeves- they produce whistles that sound like bird alarm calls, scaring potential predators away. At first, scientists suspected birds were simply…

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The passage given below is followed by four summaries. Choose the option that best captures the author’s position.

A. North American walnut sphinx moth caterpillars will whistle periodically to ward off predator birds-they have a specialized vocal tract that helps them whistle B. North American walnut sphinx moth caterpillars can whistle very loudly; the loudness of their whistles is shocking as they are very small insects. C. North American walnut sphinx moth caterpillars, in a case of acoustic deception, produce whistles that mimic bird alarm calls to defend themselves. D. North American walnut sphinx moth caterpillars, in a case of deception and camouflage, produce whistles that mimic bird alarm calls to defend themselves.

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