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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
- In the manufacture of sulphuric acid by contact process, Tyndall box is used to
- Optical activity is measured by
- Which of the following is a representation of Gay-Lussac’s law
- The correct order of increasing bond length of C–H, C–O, C–C and C=C is
- If the rate of diffusion of CH₄ is twice of that of a gas X, then what is the molecular
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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