Which of the following is not present in sewage water?

Correct option is A

Ans. (a) Sol. Human corpse is not a component of sewage water. Sewage water typically consists of liquid waste from domestic, commercial, and industrial sources, including human excreta, wastewater from bathrooms, kitchens, and industrial effluents. The disposal of human corpses follows separate legal and sanitary procedures and does not occur through sewage systems.
Explanation of Other Options:
· (b) Wastewater from bathrooms: Includes soapy water, urine, and other liquid wastes, which are part of sewage.
· (c) Domestic kitchen wastewater: Contains food particles, grease, and detergents, all of which are common sewage components.
· (d) Solid waste from industries: Some industries discharge solid waste into sewage systems, though it is regulated under industrial waste management laws.