This action cannot be undone. This will permanently delete All Practiced Questions.
Only bookmarked questions of selected question set or default questions are shown here. Click Here to view all bookmarked questions of the chapter
Which of the following characteristic features always hold true for the corresponding group of animals?
| (a) | Viviparous | (1) | Mammalia |
| (b) | Possess a mouth with an upper and a lower jaw | (2) | Chordata |
| (c) | 3- chambered heart with one incompletely divided ventricle | (3) | Reptilia |
| (d) | Cartilaginous - Endoskeleton | (4) | Chondrichthyes |
1. a
2. b
3. c
4. d
Other Reason

© 2026 GoodEd Technologies Pvt. Ltd.