INSIGHT UPSC QUIZ

Science & Technology General Science
Q.

Which among the following are the characteristic features of birds?

1. They are cold-blooded animals.

2. They lay eggs.

3. Two forelimbs are modified for flight.

4. They breathe through lungs.

Select the correct answer using the code given below:

Explanation:

ANSWER: (C)

  • Aves- All birds fall in this category. These are warm-blooded animals and have a four-chambered heart. They lay eggs. 

There is an outside covering of feathers, and two forelimbs are modified for flight. They breathe through lungs.

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