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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
- What is the molar ratio of mixture of gases given the ratio of gases
- Oxygen is more electrnegative than sulphur, yet H₂S is acidic in nature
- In the formation of N₂⁺from N₂, the electron is lost from
- The equivalent weight of phosphoric acid(H₃PO₄) in the reaction
- IN Haber process 30 L of dihydrogen and 30 L of dinitrogen were taken for reaction
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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