Select the correct statement about Rana tigrina. - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

A
The skin is moist, scaly, smooth and slippery.
B
The skin on the ventral side of body is generally olive green with dark irregular spots.
C
The skin on the dorsal side of body is uniformly pale yellow.
D
The frog never drinks water but absorb it through the skin.

Solution:

The skin of frogs is smooth and slippery (not scaly) due to the presence of mucus. The skin is always maintained in a moist condition. The colour of dorsal side of body is generally olive green with dark irregular spots. On the ventral side the skin is uniformly pale yellow. The frog never drinks water but absorbs it through the skin.