NEET Biology question

Not in NEET syllabus

Foul smell in the water bodies of tanks, ponds, etc. is due to **[AMU 2005]**

(A)Aerobiosis
(B)AnaerobiosisCorrect
(C)Psammophytes
(D)Biological magnification

Answer: (B)

Solution

When oxygen is depleted in stagnant water bodies rich in organic waste, anaerobic microorganisms decompose the organic matter, producing foul-smelling gases such as hydrogen sulphide.

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Question ID VK-129846