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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 weakest base among the following is
- Empirical formula of a compound is CH₂O.If its molecular weight is 180,
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Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The weakest base among the following is
- Empirical formula of a compound is CH₂O.If its molecular weight is 180,
- Set of isoelectronic species is
- Of the following reaction, only one is a redox reaction.Identify this reaction
- Treatment of acetaldehyde with ethyl magnesium bromide and subsequent hydrolysi
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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