Q: 167 (SSC/NA)
question_subject:
Science
question_exam:
SSC
stats:
0,5,53,13,39,5,1
keywords:
{'biochemical oxygen demand': [1, 0, 0, 0], 'bod': [1, 0, 0, 3], 'biological oxygen demand': [0, 0, 0, 3], 'biotic oxidation demand': [1, 0, 0, 0], 'biological oxidation demand': [1, 0, 0, 0]}
"BOD" stands for "biochemical oxygen demand". This is a measure of the amount of oxygen that is consumed by bacteria in the process of breaking down organic matter in water. The higher the BOD, the more polluted the water is.