Biology · STRUCTURAL ORGANISATION IN ANIMALS

Consider the following statements regarding the morphology of frog (*Rana tigrina*): (A) The body is divisible into head, neck, trunk, and tail. (B) A membranous tympanum located on either side of the eyes receives sound signals. (C) Feet have webbed digits that assist in swimming. (D) Male frogs possess copulatory pads on the second digit of hindlimbs. Which of the above statements are correct?

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