Single bone of lower jaw in human is `:-`

Options

A. Maxilla
B. Mandible
C. Squamosal
D. Pterygoid

Answer

To determine the single bone of the lower jaw in humans, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Options**: The question provides four options:
- A) Maxilla
- B) Mandible
- C) Squamous
- D) Targoid

2. **Understand the Function of Each Bone**:
- **Maxilla**: This bone forms the upper jaw and is not part of the lower jaw.
- **Mandible**: This is the bone that forms the lower jaw and is the only single bone in this region.
- **Squamous**: This is a part of the temporal bone of the skull, located near the ear, and is not related to the jaw.
- **Targoid**: This refers to a set of muscles associated with the lower jaw, not a bone.

3. **Determine the Correct Answer**:
- Since the question specifically asks for the single bone of the lower jaw, the correct answer is **B) Mandible**.

4. **Conclusion**: The mandible is the only single bone that constitutes the lower jaw in humans.

### Final Answer:
The single bone of the lower jaw in humans is **Mandible** (Option B).

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