Moderate
Presence of bacteria in potable (drinking) water causes_________________?
Correct answer: B. Disease
- A. Turbidity
- B. Disease
- C. Bad odour
- D. Bad taste & colour
Explanation
Disease-causing bacteria make drinking water unsafe by introducing pathogens that can cause illnesses such as cholera, typhoid and dysentery. Turbidity, odour and taste may result from other contaminants, but disease is the main hazard of bacteria.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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