- 1(current)
Q. No.Which of the following is unique to reptiles?
| 1. | External fertilization |
| 2. | Four-chambered heart in all species |
| 3. | Gills for respiration throughout life |
| 4. | Dry, cornified skin with epidermal scales |
Subtopic: Â Study of Reptilia |
 88%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Match Column-I with Column-II:
1. A-2, B-3, C-1, D-4
2. A-1, B-2, C-3, D-4
3. A-2, B-3, C-4, D-1
4. A-4, B-3, C-2, D-1
| Column-I (Respiratory organ) |
Column-II (Class) |
||
| A. | Gills | 1. | Aves |
| B. | Lungs | 2. | Pisces |
| C. | Air sacs | 3. | Reptilia |
| D. | Moist skin | 4. | Amphibia |
2. A-1, B-2, C-3, D-4
3. A-2, B-3, C-4, D-1
4. A-4, B-3, C-2, D-1
Subtopic: Â Study of Amphibians |Â Study of Reptilia |Â Study of Aves & Mammals |
 95%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.