Question

Human beings are mammals. So are cows and bats. Which of the following is a typical characteristic of mammals?

• A. They give birth to young ones.
• B. They have hair
• C. They suckle their young ones
• D. All of these

Answer 1

The correct option is D All of these

Mammals are the animals in which the young ones are nourished with milk from mammary glands of the mother. The mammals are characterized by various unique features, viz.:

1) Mammals have hair or fur on the body.

2) They give births to their young ones.

3) Mammals have a four-chambered heart.