Noise pollution may cause nervousness and irritability by stimulating the secretion of

Options

A. thyroid hormone
B. adernaline hormone
C. parathyroid hormone
D. none of these.

Explanation

### Step-by-Step Solution:

1. **Understanding Noise Pollution**:
- Noise pollution refers to unwanted or harmful levels of noise in the environment. It can lead to various health issues, including psychological effects like nervousness and irritability.

2. **Effects of Noise Pollution**:
- Exposure to high levels of noise can trigger stress responses in the body. This can manifest as anxiety, irritability, and other emotional disturbances.

3. **Hormonal Response to Stress**:
- When the body experiences stress, it activates the adrenal glands, which secrete certain hormones. One of the primary hormones released during stress is adrenaline.

4. **Role of Adrenaline**:
- Adrenaline, also known as epinephrine, is often referred to as the "fight or flight" hormone. It prepares the body to respond to perceived threats by increasing heart rate, blood flow, and energy availability.

5. **Conclusion**:
- Therefore, noise pollution can lead to nervousness and irritability by stimulating the secretion of adrenaline in the body.

### Final Answer:
Noise pollution may cause nervousness and irritability by stimulating the secretion of **adrenaline**.

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