Q. Which of the following statements is/are incorrect with reference to $Rana\ tigrina$? I. They do not have constant body temperature II. Their skin is smooth and slippery due to the presence of a gelatinous sheath III. Ventral side of the skin is pale yellow in colour IV. It is also known as bull frog in India
A) I and II
B) II and III
C) Only II
D) I, II, III and IV
Explanation
The skin of frog is smooth and slippery due to the presence of mucous not of gelatinous sheath
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.