Q. Two-chambered heart is a feature of
A) Amphibians
B) Fishes
C) Reptiles
D) Birds
Explanation
Fishes (super class-Pisces) have two chambered heart (one auricle and one ventricle), with very well developed sinus venous and conus arteriosus. However lung fishes have three chambered heart (two auricles and one ventricle).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.