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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: - In which one of the following molecules the central atom does not have sp³
- The wrong statement about fullerene is
- The pH of 0.001 N acetic acid solution, which is 10% dissociated, is
- At 27⁰C average kinetic energy of one mole of helium gas can be given
- Which of the following shows geometrical isomerism
Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In which one of the following molecules the central atom does not have sp³
- The wrong statement about fullerene is
- The pH of 0.001 N acetic acid solution, which is 10% dissociated, is
- At 27⁰C average kinetic energy of one mole of helium gas can be given
- Which of the following shows geometrical isomerism
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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