GAT-C Agriculture, Veterinary, Biological & Related Science Quantitative MCQs With Answers

Question # 1
Activity levels of the green iguana vary in cycles that are repeated every 24 hours. It is logical to assume that alteration in the intensity of incident light is the stimulus that controls these daily biological rhythms. But there is much evidence to contradict this hypothesis.
Q:Which of the following, if known, is evidence that contradicts the hypothesis stated above?

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