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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
- Colloidal found effective in medicines is
- The smell of agarbati, mixed in the atmosphere , is due to
- How many P = O bond present in (HPO₃)₃
- Among the following pairs of ions, the lower oxidation state in aqueous solution
- Copper metal crystallizes with a face centred cubic (fcc) lattice .It has
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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