- 1(current)
Q. No.How many of the given statements are correct?
1. 2
2. 3
3. 4
4. 5
| I. | Cartilaginous fishes have cycloid or ctenoid scales. |
| II. | An air bladder is present in bony fishes. |
| III. | Amphibians have three-chambered heart. |
| IV. | Reptiles have dermal scales. |
| V. | Birds are warm-blooded. |
2. 3
3. 4
4. 5
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Amphibians |Â Study of Reptilia |Â Study of Aves & Mammals |
Level 3: 35%-60%
Please attempt this question first.
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Please attempt this question first.
Given below are two statements:
| I: | Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature |
| II: | Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature |
Select the most appropriate option:
1. I is correct but II is incorrect.
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect.
Subtopic: Â Study of Amphibians |Â Study of Reptilia |
 59%
Level 3: 35%-60%
NEET - 2022
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- 1(current)
Q. No.
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