Which of the following statements is incorrect about the frog ?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals
(iii) The hind limbs end in four digits and they are largerr and muscular then force limbs that end in five digits
(iv) Frogs exhibit sexual dimorphism.

Options

A. Only I and VI
B. Only III
C. Only IV and V
D. None

Answer

D