What do BOD and COD stand for?
(a) Biological Oxygen Demand and Chemical Oxygen Demand respectively
(b) Chemical Oxygen Demand and Biological Oxygen Demand respectively
(c) Botanical Oxygen Demand and Chemical Oxygen Demand respectively
(d) Basic Oxygen Demand and Chemical Oxygen Demand respectively
This question was posed to me during an interview.
The question is from Environmental Issues in section Environmental Issues of Biology – Class 12