Which of the following have hard and non pliable ground substance :-

Options

A. Cartilages
B. Bones
C. Both
D. Areolar tissues

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which type of tissue has a hard and non-pliable ground substance. The term "non-pliable" refers to a substance that is not flexible or easily bent.

2. **Analyzing the Options**: The options provided are:
- Cartilages
- Bones
- Both (Cartilages and Bones)
- Areolar tissues

3. **Defining the Tissues**:
- **Cartilages**: These are specialized connective tissues that are softer and more flexible compared to bones. They provide support and cushioning but are pliable.
- **Bones**: These are also specialized connective tissues, but they are hard and non-pliable. They provide structural support and protection for the body.
- **Areolar Tissues**: These are loose connective tissues that are very flexible and act as a cushion between various tissues, making them pliable.

4. **Identifying the Correct Answer**: Since we are looking for a tissue with a hard and non-pliable ground substance, the only option that fits this description is **Bones**.

5. **Conclusion**: Therefore, the correct answer to the question is **Bones**.

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