Which of the following statement for sewage is correct?

Options

A. Municipal waste-water, whose major component is human excreta
B. Contains large amount of organic matter and non-pathogenic microbes
C. Can be discharged directly into natural water bodies like rivers and streams
D. It is generated in less quantities in cities and villages as compared to towns

Answer

To determine which statement about sewage is correct, we can analyze each option based on our understanding of sewage and its characteristics.

### Step-by-Step Solution:

1. **Understanding Sewage**:
- Sewage is defined as wastewater that comes from domestic, commercial, and industrial sources. It primarily consists of human excreta, along with other waste materials.

2. **Evaluating the Statements**:
- **Option A**: "Sewage is municipal wastewater whose major component is human excreta."
- This statement is accurate because sewage indeed refers to municipal wastewater, and human excreta is a significant component of it.

- **Option B**: "It contains large amounts of organic matter and non-pathogenic bacteria."
- This statement is misleading. While sewage does contain organic matter, it also contains pathogenic bacteria, making this statement incorrect.

- **Option C**: "Sewage can be discharged directly into natural water bodies like rivers and streams."
- This statement is false. Sewage is toxic and must be treated before it can be safely released into natural water bodies to prevent pollution and health hazards.

- **Option D**: "It is generated in less quantities in cities and villages as compared to towns."
- This statement is also incorrect. Generally, cities produce more sewage due to higher population density compared to towns and villages.

3. **Conclusion**:
- After evaluating all the options, the correct statement regarding sewage is **Option A**: "Sewage is municipal wastewater whose major component is human excreta."

### Final Answer:
The correct statement for sewage is: **Option A**.

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