Human Reproduction Question 281
Question: In the treatment of waste water discharge, which treatment stage involves biological treatment [BHU 2004]
Options:
A) Primary treatment
B) Secondary treatment
C) Tertiary treatment
D) Reverse osmosis stage
Show Answer
Answer:
Correct Answer: B
Solution:
During waste water treatment Primary treatment involves physical process of removing the suspended matters.
Secondary treatment involves biological treatment.
Tertiary treatment involves the removal of phosphate, nitrate and sulphate.
BETA
