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Statement 1 : Respiration is most efficient in the insects, among the invertebrates. Statement 2 : In the insects, air is carried directly to the cells by tracheoles.A. Both statement 1 and 2 correct.B. Statement 1 is correct but statement 2 is incorrect.C. Statement 1 is incorrect but statement 2 is correct.D. Both statement 1 and 2 incorrect.

Answer» Correct Answer - A


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