- 1(current)
Q. No.Which one of the following sets of animals share a four chambered heart?
| 1. | Amphibian, Reptiles, Birds |
| 2. | Crocodiles, Birds, Mammals |
| 3. | Crocodiles, Lizards, Turtles |
| 4. | Lizards, Mammals, Birds |
Subtopic: Â Study of Amphibians |Â Study of Aves & Mammals |
 91%
Level 1: 80%+
Hints
Birds and mammals share one of the following characteristics as a common feature.
1. Pigmented skin
2. Pneumatic bones
3. Viviparity
4. Warm blooded body
Subtopic: Â Study of Aves & Mammals |
 89%
Level 1: 80%+
Hints
Which one of the following sets of animals belong to a single taxonomic group?
| 1. | Cuttlefish, jellyfish, silverfish, dogfish, starfish |
| 2. | bat, pigeon, butterfly |
| 3. | Monkey, chimpanzee, man |
| 4. | Silkworm, tapeworm, earthworm |
Subtopic: Â Study of Aves & Mammals |
 90%
Level 1: 80%+
Hints
Subtopic: Â Study of Aves & Mammals |
 89%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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