Q. Which one of the following characteristics is common both in humans and adult frogs ?
A) Four - chambered heart
B) Internal fertilisation
C) Nucleated RBCs
D) Ureotelic mode of excretion
Explanation
[Solution from source] Both humans and adult frogs excrete urea (ureotelic). Frogs have a three-chambered heart, nucleated RBCs and external fertilisation, whereas humans have a four-chambered heart and enucleate RBCs. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.