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Fish die in water bodies polluted by sewage due to
Options
(a) pathogens
(b) Clogging of gills
(c) Decreases in D.O
(d) Foul smell
Correct Answer:
Decreases in D.O
Explanation:
Microorganisms from sewage consume all dissolved oxygen and fish get deprived of this oxygen and ultimately die.
Related Questions: - The preparation of ethene from ethanol can be described as
- Which among the following gas will greatly deviate from Henry’s law in water
- Which of the following carbocations will be most stable
- The rate of reaction between two reactants A and B decreases by a factor of
- Which one of the following pairs is isostructural – same shape and hybridization
Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The preparation of ethene from ethanol can be described as
- Which among the following gas will greatly deviate from Henry’s law in water
- Which of the following carbocations will be most stable
- The rate of reaction between two reactants A and B decreases by a factor of
- Which one of the following pairs is isostructural – same shape and hybridization
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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