Biology · STRUCTURAL ORGANISATION IN ANIMALS

Consider the following statements about the sensory organs in frogs: (A) Sensory papillae serve as organs of touch. (B) Nasal epithelium serves as an organ of smell. (C) External ear and pinna are well-developed for hearing on land. (D) The ear acts as an organ of hearing as well as balancing (equilibrium). How many of the above statements are correct?

1. A
   Only one
2. B
   Only two
3. C
   Only three
4. D
   All four