Q. Consider the following statements about $Rana\ tigrina$ I. The skin of frog sheds after every few weeks II. Camouflage is a common defensive mechanism of frog III. Chest muscles are involved in the process of respiration IV. Their nervous system consists of a brain, spinal cord and nerves Which of the above statement is incorrect?
A) Only I
B) I and III
C) Only III
D) I and IV
Explanation
In water, frog respires through the skin but on land buccal cavity, skin and lungs acts as respiratory organs. The lungs of frogs are similar to humans but the chest muscles are not involved in respiration
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.