NEET 2003 Biology question

Escherichia coli is used as an indicator organism to determine pollution of water with ;-

(1)Heavy metals
(2)Faecal matterCorrect
(3)Industrial effluents
(4)Pollen of aquatic plants

Answer: (2)

Solution

E. coli (and other coliforms) normally live in the human intestine and are voided in faeces. Their presence in water is easy to detect and shows contamination with

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Question ID VK-089253