Which of the following features is incorrect regarding mammals?

Practice question

Question

Choose one · Correct answer highlighted

They possess a diaphragm for respiration They have an incomplete double circulation Correct They are warm-blooded They have heterodont dentition

Mammals have a complete double circulation, meaning oxygenated and deoxygenated blood do not mix.

Share this question

Related blogs

Guides and insights connected to this topic

Virology 25 Jan 2026

Coronavirus Overview Coronaviruses (CoVs) are enveloped viruses (surrounded by a lipid membrane derived from host cells), belonging to the s...

Virology 25 Jan 2026

Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...

Virology 25 Jan 2026

Cucumber Mosaic Virus (CMV): Introduction and Importance Cucumber Mosaic Virus (CMV) (plant-infecting RNA virus) is one of the most economic...