WATER POLLUTION

Wastewater from different sources like bathrooms, kitchens and wash basins is called ______

• Sewage

• Garbage

• Sullage

• Discharge

Which of the following conditions is not suitable for the disposal of excreta or sewage?

• It does not give odour nuisance

• It should be accessible for children

• It is not exposed to the atmosphere

• The waste does not pollute the ground surface

In urban cities like Bangalore, which of the water carriage system is used?

• Separate system

• Combined system

• Partially combined system

• Partially separate system

The means of promoting hygiene through the prevention of human contact with the hazards of wastes especially feces is called ________

• Hygiene

• Sanitation

• Disease prevention

• Hygiene control

The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ________

• Grey water

• Black water

• Yellow water

• Wastewater

The overall purpose of sanitation is to maintain the green environment alone.

• True

• False

What is the drainage basin also called as?

• Watershed

• Runoff area

• Water pond

• Wetland

The area of land where all the precipitation falls will flow downhill into a specific stream called _______

• Reservoirs

• Water tanks

• Water towers

• Drainage basin

The part of the precipitation, snowmelt or irrigation water that appears in uncontrolled surface streams is generally called as _______

• Rivers

• Runoff

• Drains

• Sewers

______ is used to lift surface water and move it to a nearby treatment plant.

• Water suppliers

• Low-lift pumps

• Pumps

• Water carriers