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Biology · STRUCTURAL ORGANISATION IN ANIMALS

हिन्दी

Consider the following statements regarding the morphology and anatomy of Rana tigrina: (A) Neck and tail are completely absent in adult frogs. (B) The frog possesses ten pairs of cranial nerves emerging from the brain. (C) A membranous tympanum on either side of the head receives sound signals. (D) Frog excretes uric acid and is hence categorized as an uricotelic animal. Which of the above statements are correct?

  1. (A) and (D) only
  2. (B), (C) and (D) only
  3. (A), (B) and (C) only
  4. (A), (C) and (D) only

Correct answer · Option 3

(A), (B) and (C) only

Explanation

(A), (B), and (C) are correct. (D) is incorrect because the frog excretes urea and is therefore ureotelic, not uricotelic.
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