Question

They are absent in modern birds a) scales b) teeth c) feathers d) none of them

Answer 1

Answer:

d) none of them is the correct answer

Answer 2

Answer:

The correct answer is option (B)

Explanation:

Characteristics of the class Aves:

• Teeth are absent in jaws.
• Jaws are modified into horny beak. The beak is toothless.
• An epidermal horny sheath is present on the beak, which is called Rhamphotheca.
• Scales are found only on hind limbs.
• Feathers are present on wings.