Which one fo the following lays a cleidoic egg

Options

A. Man
B. Fish
C. Lizard
D. Frog

Answer

To determine which of the following organisms lays a cleidoic egg, we need to analyze the options provided: man, fish, lizard, and frog.

### Step-by-Step Solution:

1. **Understanding Cleidoic Eggs**:
- Cleidoic eggs, also known as amniotic eggs, are characterized by a protective shell and are designed to prevent desiccation (drying out). They are typically found in reptiles and birds.

2. **Analyzing Each Option**:
- **Man**: Humans are mammals and give live birth. They do not lay eggs, and the type of egg associated with mammals is called a lecithal egg, which has very little yolk.
- **Fish**: Fish lay eggs known as mesolecithal eggs, which contain a moderate amount of yolk. These eggs are not cleidoic.
- **Lizard**: Lizards are reptiles. As reptiles, they lay cleidoic eggs (amniotic eggs), which are adapted for life on land.
- **Frog**: Frogs lay mesolecithal eggs as well, which also have a moderate amount of yolk and are not cleidoic.

3. **Conclusion**:
- Among the given options, the only organism that lays a cleidoic egg is the **lizard**.

### Final Answer:
The correct answer is **lizard**.

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