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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: - Which of the following is a strong reducing agent
- Which of the following statements is not correct
- If uncertainty in position and momentum are equal, then uncertainty in velocity
- Alum in dyeing of clothes is used as
- Acetaldehyde can not show
Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is a strong reducing agent
- Which of the following statements is not correct
- If uncertainty in position and momentum are equal, then uncertainty in velocity
- Alum in dyeing of clothes is used as
- Acetaldehyde can not show
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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