- 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 |
From NCERT
Please attempt this question first.
Hints
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%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
How many of the given reasons will be the correct reason(s) for the fact that amphibians were not as successful on land as reptiles?
| A: | Skin permeability |
| B: | Dependence on water for reproduction |
| C: | Lack of amnion |
1. 1
2. 2
3. 3
4. None
Subtopic: Â Study of Amphibians |Â Study of Reptilia |
Please attempt this question first.
Hints
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.