Which one of the following is an exclusive character of class Mammalia?

  • A
    Presence of a completely $4$-chambered heart
  • B
    Homoiothermy
  • C
    Presence of a muscular diaphragm
  • D
    Internal fertilization

Explore More

Similar Questions

The zoological name of the common hare found in northern India is:

Marsupials are:

Assertion $(P)$: Mammals are viviparous.
Reason $(Q)$: Mammals possess external pinnae.

Which of the following animals is not viviparous?

What is common among whales,bats,and rats?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo