Read the following statements regarding the morphology of the Indian bullfrog ( Rana tigrina ) : A. The body is divisible into head, neck and trunk. B. The skin is smooth and slippery due to the presence of mucus. C. Forelimbs end in five digits while hind limbs end in four digits. D. On either side of the eyes, a membranous tympanum receives sound signals. E. The skin on the ventral side of the body is uniformly pal

Step-by-step solution

The body of a frog is divisible into head and trunk. A neck and tail are absent, making statement A incorrect. The skin of a frog is smooth and slippery due to the presence of mucus, making statement B correct. The forelimbs of a frog end in four digits while the hind limbs end in five digits, making statement C incorrect. On either side of the eyes, a membranous tympanum (ear) is present which receives sound signals, making statement D correct. The colour of the dorsal side of the body is generally olive green wit