WBCS.LIVE practice question

Among the following set of salient feature, which set does exclusively characteristic of mammals?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Presence of sweat glands, hairs on skin and diphyodonts
  2. Presence of mammary glands, sweat glands and diaphragm
  3. Absence of mammary glands, sweat glands and diaphragm
  4. Presence of mammary glands, hairs on skin and diaphragm

Correct answer and explanation

Correct answer: Absence of mammary glands, sweat glands and diaphragm