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Quality of Water on Environmental Studies related Questions and Answers


Question :   Which of the following statement is/are correct regarding coliform bacteria?
1. It is gram negative
2. It is rod shaped bacteria
3. It is a harmless aerobic microorganism
1. 1, 2, 3
2. 2, 3
3. 1, 3
4. 1,2
Answer :   1 - 1, 2, 3  

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