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प्रश्न
Write the characteristics of class Aves with reference to their body covering and jaws.
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उत्तर
The characteristics of class Aves are:
- The body is covered with feathers.
- They have wings to aid flying
- They have scales on legs.
- They have no teeth.
- They have jaws provided with home beaks
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संबंधित प्रश्न
Categorize the following animals under their appropriate columns of classification
| Animals | ||||
| Dog | Grasshopper | Rat | Scorpin | Toad |
| Butterfly | Lizzard | Turtle | Frog | Bat |
| Snail | Honey bee | Pigeon | Liverfluke | Leech |
| Cattle | snake | Rohu | Parrot | Ascaris |
| Earthworm | Cow | Rabbit | Monkey | Elephant |
|
Classification: |
||||
| Worms | Molluscs | Fishes | Amphibians | Reptiles |
| Birds | Mammals |
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
Fill in the blank.
Fishes obtain oxygen from water through ......................
Differentiate between
amphibians and Pisces
Write a short answer.
How are the bones of birds different from those of other vertebrates?
Answer in detail.
Write two characteristics of the reptiles.
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Fish - Gills, paired fins, ear drum
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Monkey - External ear, sweat glands, lateral line.
Mention any one major similarity and one major difference in the following pairs of an animal:
Snakes and Earthworms
The biggest vertebrate animal is the ______.
