Pick up the odd one out

Options

A. Chelone , Calotes , Naja
B. Pavo , Psittacula , Ornithorhyncus
C. Canis , Felis , Rattus
D. Bufo , Rana, Hyla .

Answer

To solve the question "Pick up the odd one out," we will analyze the given options one by one to identify which organism does not belong to the same category as the others.

### Step-by-Step Solution:

1. **Analyze Option 1:**
- **Chelon**: This is a sea turtle (Reptile).
- **Calatoss**: This is a type of lizard (Reptile).
- **Naja**: This is a genus of snakes (Reptile).
- **Conclusion**: All three are reptiles. Therefore, there is no odd one out in this option.

2. **Analyze Option 2:**
- **Pavo**: This is a peacock (Bird).
- **Cetacula**: This is a parakeet (Bird).
- **Ornithorhynchus**: This is a platypus (Mammal).
- **Conclusion**: The first two are birds, while the platypus is a mammal. Thus, Ornithorhynchus is the odd one out in this option.

3. **Analyze Option 3:**
- **Canis**: This is a genus that includes wolves and dogs (Mammal).
- **Felis**: This is a genus of cats (Mammal).
- **Ratus**: This is a genus of rodents (Mammal).
- **Conclusion**: All three are mammals. Therefore, there is no odd one out in this option.

4. **Analyze Option 4:**
- **Bufo**: This is a genus of frogs (Amphibian).
- **Rana**: This is also a genus of frogs (Amphibian).
- **Hyla**: This is another genus of frogs (Amphibian).
- **Conclusion**: All three are genera of frogs, which are amphibians. Thus, there is no odd one out in this option.

### Final Conclusion:
The odd one out is from **Option 2**, where the platypus (Ornithorhynchus) is the only mammal among birds.

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