Question

The water sample containing least count of coliform bacteria is likely to be considered

• A. Relatively safe for consumption
• B. completely safe for consumption
• C. Barely safe for consumption
• D. Completely unsafe for consumption

Answer 1

The correct option is A

Relatively safe for consumption

The correct option is A.

Explanation for the correct option:

1. The number of coliform bacteria per $100mL$ of water indicates the contamination of water.
2. Increased number of coliform bacteria per $100mL$of water indicates the high contamination which is unsafe for consumption.
3. Whereas the water sample containing least count of coliform bacteria is likely to be considered relatively safe for consumption.

Explanation for the incorrect options:

Option B:

1. The number of coliform bacteria per $100mL$of water indicates the contamination of water.
2. Increased number of coliform bacteria per $100mL$ of water indicates the high contamination which is unsafe for consumption.
3. Whereas The water sample containing least count of coliform bacteria is completely safe for consumption.

Option C:

1. The number of coliform bacteria per $100mL$ of water indicates the contamination of water.
2. The water sample containing least count of coliform bacteria is likely to be considered relatively safe for consumption.

Option D:

1. The number of coliform bacteria per $100mL$ of water indicates the contamination of water.
2. Increased number of coliform bacteria per $100mL$of water indicates the high contamination which is unsafe for consumption.

Final answer: The water sample containing least count of coliform bacteria is likely to be considered Relatively safe for consumption.