Q. Which one of the following is not the characteristic feature of frog?
A) The skin is moist and slimy
B) Each of the fore limbs and hindlimbs end in five digits
C) Hepatic portal and renal portal systems are present
D) Skin, buccal cavity and lungs are the respiratory organs
Explanation
In frog, the forelimbs have four digits (as thumb is absent in forelimbs), while hindlimbs have five digits.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.