Choose the correct option.
A. Aves have a covering of _____ on their body. (scales/ feathers)
B. In birds, the forelimbs are modified into . (beak/wings)

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Solution

A. feathers
B. wings

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Similar questions

Birds can fly because they have
(a) a streamlined body
(b) hollow bones
(c) wings with feathers
(d) all of these

Question 11
Find out the false statement

(a) Aves are warm blooded, egg laying and have a four- chambered heart
(b) Aves have feather covered body, fore limbs are modified as wings and they breathe through lungs.
(c) Most of the mammals are viviparous.
(d) Fishes, amphibians and reptiles are oviparous

Q. Wings of a bird and forelimbs of a horse are:

Q. There are five animals A, B, C, D and E. The animal A uses its modified forelimbs for flying. The animal B uses its forelimbs for running whereas the animal C uses its forelimbs for grasping. The animal D can live on land as well as in water and uses its forelimbs to prop up the front end of its body when at rest. The animal E which respires by using spiracles and tracheae uses wings for flying but its wings are analogous to the modified forelimbs of animal A.
(a) What could the animals A, B, C, D and E be?
(b) Why are the forelimbs of animals A, B, C, D called homologous organs?
(c) What does the existence of homologous organs in animals A, B, C and D tell us about their ancestors ?
(d) Why are the modified forelimbs of animal A and the wings of animal E called analogous organs?
(e) State whether animals A and E have a common ancestor or not.

Text Question:

In birds .............. are modified into a strong beak.

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Choose the correct option. A. Aves have a covering of ___________ on their body. (scales/ feathers) B. In birds, the forelimbs are modified into ______. (beak/wings)

A. feathers B. wings

Choose the correct option.
A. Aves have a covering of _____ on their body. (scales/ feathers)
B. In birds, the forelimbs are modified into . (beak/wings)

A. feathers
B. wings