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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.
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Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- n-Butane and isobutane are
- A solution with pH = 2 is more acidic then one with a pH = 6 , by a factor
- The compound which on reaction with aqueous nitrous acid at low temperature
- Glucose molecule reacts with X number of molecules of phenylhydrazine to yield
- The nucleic acid base having two possible binding sites is
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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