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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 silver salt of a fatty acid on refluxing with an alkyl halide gives an
- The C – C bond length in ethane is
- Which one of the following has an aromatic character
- In a homonuclear molecule, which of the following sets of orbitals is degenerate?
- The molar fraction of nitrogen, in a mixture containing 70 grams nitrogen,
Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The silver salt of a fatty acid on refluxing with an alkyl halide gives an
- The C – C bond length in ethane is
- Which one of the following has an aromatic character
- In a homonuclear molecule, which of the following sets of orbitals is degenerate?
- The molar fraction of nitrogen, in a mixture containing 70 grams nitrogen,
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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