Rohit is suffering from the common cold. Which of these precaution should he take to avoid spreading the cold to his classmates?

Options

A. He should drink boiled water.
B. He should not let mosquitoes bite him.
C. He should keep his food and water covered.
D. He should cover his nose and mouth while sneezing.

Answer

To answer the question about the precautions Rohit should take to avoid spreading the common cold to his classmates, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Nature of the Illness**:
- Rohit is suffering from a common cold, which is caused by a virus, specifically the Rhinovirus.

2. **Understand the Mode of Transmission**:
- The common cold is primarily spread through respiratory droplets when an infected person sneezes or coughs. These droplets can land on surfaces or be inhaled by others nearby.

3. **Evaluate the Given Options**:
- **Option A**: Drinking boiled water is good for health but does not prevent the spread of the cold.
- **Option B**: Not letting mosquitoes bite him is irrelevant to the common cold, as it is not transmitted by mosquitoes.
- **Option C**: Keeping food and water covered is a good hygiene practice but does not directly prevent the spread of the cold.
- **Option D**: Covering his nose and mouth while sneezing is crucial to prevent respiratory droplets from spreading into the air.

4. **Select the Most Effective Precaution**:
- Among the options, **Option D** is the most effective precaution. By covering his nose and mouth while sneezing, Rohit can significantly reduce the risk of spreading the virus to his classmates.

5. **Conclusion**:
- Therefore, the best precaution Rohit should take to avoid spreading the cold is to **cover his nose and mouth while sneezing**.

### Final Answer:
Rohit should cover his nose and mouth while sneezing (Option D).

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