AIPMT PRELIMS2011Botany-Environmental Issues
AIPMT PRELIMS 2011 Botany Water Pollution MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Secondary sewage treatment is mainly a
A
Biological process
B
Physical process
C
Mechanical process
D
Chemical process
Correct Answer
Option A
Detailed Explanation
Secondary sewage treatment involves aerobic and anaerobic microbes.
Found an issue with this question?
Related Questions
More from Environmental Issues
More from 2011
A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s towards north. The average acceleration of the body i...
Motion in a PlanePhysics
Which one of the following enzymes carries on the initial step in the digestion of milk in humans?
Digestion and AbsorptionZoology