EDUCATION UGC NET
ENVIRONMENTAL STUDIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Waste water from industries
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Waste water from residential areas
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Waste water generated from kitchens and bathrooms
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None of the above
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Detailed explanation-1: -The wastewater from kitchens and bathrooms is called blackwater.
Detailed explanation-2: -Domestic sewage is wastewater that is removed from the daily life of households, hotels, restaurants, schools, and shopping malls. It has a wide range of sources and a huge amount.
Detailed explanation-3: -Wastewater produced due to human activities in households is called domestic wastewater i.e. wastewater from the kitchen, shower, wash basin, toilet and laundry (see figure 1).
Detailed explanation-4: -Domestic wastewater originates from activities such as restroom usage, bathing, food preparation and laundry. Commercial wastewater from non-domestic sources, such as beauty salons or auto body repair shops, for example. This wastewater may contain hazardous materials and requires special treatment or disposal.