Question

Which of the following is not a characteristic feature of birds?

• A. Presence of feathers
• B. Presence of beak
• C. Presence of wings
• D. Presence of teeth

Answer 1

Answer: (D)

Presence of teeth

Birds are vertebrates belonging to class Aves. These are characterised by the presence of feathers, beaks, and wings. Their forelimbs are modified into wings that are covered with feathers. They have toothless beaked jaws. Hence, out of the four characteristics mentioned in the options, birds do not have teeth.

So, the correct answer is 'Presence of teeth'.