Water Pollution
Water Pollution: Overview
This topic covers concepts, such as, National Mission for Clean Ganga, Water Pollution, Water Pollutants & Sewage Water Treatment etc.
Important Questions on Water Pollution
Ganga Action plan is related to water pollution.
Fill in the blank with the correct answer from the bracket.
Ganga Action plan was launched by the government of India by _____ year (1994, 1985, 1995)
Ganga Action plan was launched by the government of India in order to reduce
How can the untreated sewage prove harmful?
Which of the following step is involved in the sewage treatment?
Is it necessary to treat sewage before disposing it off in a water body? If yes, Why?
What are the different methods of making water potable?
Write two methods of stopping water pollution.
Fill in the blank using the words given in the box:
| Diarrhoea cleans dirty Kali Bein urbanisation |
The water gets _____ after domestic use.
Name the following.
The gas used by the waterworks department to purify water.
In the image given, different colours represent different impurities in water. A water sample containing all these impurities is chlorinated. Which colour (impurity) will be removed by ?
Seawater contains many natural salts. Do these salts pollute the sea?
Which of the following is a point source of water pollution?
Peter is camping with his family near a stream in a wooded area. During his stay in the camp he throws all the plastic waste into the stream. What is wrong with this?
Take a careful look at this picture. The girl experiences abdominal pain with diarrhea. What do you think she is suffering from?
Contamination caused by a broken sewage pipe was detected in the water supplied by the public water supply system in a city. Which of the following can be used at home to disinfect the water during such an emergency?
State if the following statement is true or False
During the process of chlorination, if less amount of chlorine gas remains in contact with water briefly, then disinfection is not done properly.
State whether the following statement is true or false:
Instead of boiling, we can purify water in our homes using chlorine-based household bleaches.
Which of the following is a natural cause of water pollution?
Which of these substances when mixed with water moderate quantities can cause pollution?
