| ⇦ | 
| ⇨ |
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.
Related Questions: - Hot spots are priority areas for in situ conservation. The key criteria
- The outer layer of vacuole is called
- Blocking of arteries due to deposition of fats and calcium is called
- Structure found in blue green algae which helps in nitrogen fixation is
- The cutting of DNA at specific locations became possible with the discovery of
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
- Hot spots are priority areas for in situ conservation. The key criteria
- The outer layer of vacuole is called
- Blocking of arteries due to deposition of fats and calcium is called
- Structure found in blue green algae which helps in nitrogen fixation is
- The cutting of DNA at specific locations became possible with the discovery of
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply