Which of the following character does not belong to class-Reptilia?

Options

A. They lays macrolecithal eggs
B. They are warm-blooded animals
C. They are creeping and burrowing type
D. Monocondylic skull

Answer

To determine which character does not belong to the class Reptilia, we will analyze each of the provided options step by step.

### Step 1: Analyze the first character - "They lay macrolycithal eggs."
- Reptiles are known to lay eggs that contain a large amount of yolk, which are referred to as macrolycithal eggs. This characteristic is indeed true for reptiles.
- **Conclusion**: This character belongs to class Reptilia.

### Step 2: Analyze the second character - "They are warm-blooded animals."
- Reptiles are ectothermic (cold-blooded) animals, meaning they cannot regulate their body temperature internally and rely on external environmental conditions to maintain their body temperature.
- **Conclusion**: This character does not belong to class Reptilia.

### Step 3: Analyze the third character - "They are creeping and burrowing type."
- Many reptiles, such as snakes and certain lizards, exhibit creeping and burrowing behaviors. This characteristic is true for many members of the class Reptilia.
- **Conclusion**: This character belongs to class Reptilia.

### Step 4: Analyze the fourth character - "Monocondylic skull."
- Reptiles possess a monocondylic skull, which means they have a single occipital condyle at the base of the skull. This is a defining feature of reptiles.
- **Conclusion**: This character belongs to class Reptilia.

### Final Conclusion
Based on the analysis, the character that does not belong to class Reptilia is: **"They are warm-blooded animals."**