EASY
7th CBSE
IMPORTANT
Earn 100

What is sewage?

Important Questions on Waste Management
EASY
7th CBSE
IMPORTANT
Give two examples each of organic impurities, inorganic impurities, nutrients, bacteria and microbes present in sewage.

MEDIUM
7th CBSE
IMPORTANT
Enlist a few ways by which you can minimise wastes produced.

HARD
7th CBSE
IMPORTANT
Food containing oils and fats should not be thrown down the drain. Comment.

EASY
7th CBSE
IMPORTANT
Wastewater released from houses is called domestic sewage.

EASY
7th CBSE
IMPORTANT
Discharge of untreated sewage into water bodies leads to dense algal growth.

EASY
7th CBSE
IMPORTANT
Stagnant water does not lead to any disease.

EASY
7th CBSE
IMPORTANT
Dried sludge can be used as manure.

EASY
7th CBSE
IMPORTANT
Contamination of drinking water can happen in covered drains also.
