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Secondary sewage treatment is mainly a
Options
(a) physical process
(b) mechanical process
(c) chemical process
(d) biological process
Correct Answer:
biological process
Explanation:
In secondary treatment mainly settled sewage flows to an aerobic biological treatment stage where it comes into contact with micro-organisms which remove and oxidise most of the remaining organic pollutants.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Conservation and Environmental Issues
(111)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Main function of dictyosomes is
- What type of placentation is seen in sweet pea
- Movement of shoulder muscle and bone is controlled by which nerve?
- Autonomic genome system is present in
- The communities of primary succession are called as
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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