EASY
Earn 100

Name the following.
The gas used by the waterworks department to purify water.

50% studentsanswered this correctly

Important Questions on Pollution of Air and Water

MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Define contaminants. What are the various contaminants present in sewage? Explain.
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Name two chemicals used to disinfect water.
EASY
Science>Biology>Pollution of Air and Water>Water Pollution

Choose the right word and fill in the blank:

Bacteria are killed in water by adding _____ gas. (Chlorine/Bromine)

MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Water-borne diseases increase in those areas which have faulty pipelines. Why? What can be the consequences of these diseases?
EASY
Science>Biology>Pollution of Air and Water>Water Pollution
According to you how do faulty sewer lines increase the risk of water-borne diseases?
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
What is the cause of a large number of diseases in our country.
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution

This image shows how the activated sludge process is used in the treatment of sewage.

Question Image

A fault at this water treatment site results in the release of untreated sewage into the river. Suggest the effects that this may have.

MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
The gas used by the waterworks department to purify water:_____.
EASY
Science>Biology>Pollution of Air and Water>Water Pollution
Which of the following is a water-borne disease?
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
What are contaminants?
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
What does the grit chamber do in wastewater treatment plant?
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
By providing clean water and sanitation to the poorest people on the planet, we can reduce poverty and suffering and ensure education for all children. The above words are given by 
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Name any four water-borne diseases which are caused by drinking contaminated water.
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Which of the following is not a water-borne disease?
HARD
Science>Biology>Pollution of Air and Water>Water Pollution
Describe the steps involved in the purification of drinking water for city water supply.
HARD
Science>Biology>Pollution of Air and Water>Water Pollution
Explain the relation between sanitation and disease. State the various ways in which you can contribute in maintaining sanitation at public places.
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Discuss the processes involved in a sewage treatment plant in detail. 
 
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Describe the steps involved in the purification of drinking water for city water supply.
MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution

Fill in the blank with the correct option given in the bracket.

_____ (Chlorine/Iodine) is added to the drinking water to kill the bacteria present in it.

MEDIUM
Science>Biology>Pollution of Air and Water>Water Pollution
Name the causative organisms of typhoid and jaundice.