Water Contamination

IMPORTANT

Water Contamination: Overview

This Topic covers sub-topics such as Vomiting, Diarrhoea, Cholera, Effects of Polluted Water, Boiling Water, Contamination of Drinking Water, Common Waterborne Diseases and, Effects of Drinking Unclean Water

Important Questions on Water Contamination

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 1

Write the name of the process taking place in the following event using the clue given below:

Water changing to steam on a gas stove.

Clue: It is a seven-letter word and starts with the letter 'B'.

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 2

It was a Sunday morning in May at Uripok, Imphal. Tomba was watching cartoon films in television. His mother Sanahanbi was in the kitchen. His father Ibohal was reading a newspaper. Suddenly Ibohal called out, 'Sanahanbi, it says in the newspaper that the main pipe carrying tap water in this area is broken at Iroisemba. The water in the pipe has got mixed with the water in the ditches. It also says that many people of Naoremthong are suffering from diarrhoea and vomiting because of this water. Why don't you throw away the water that was filled yesterday? Boil some clean water for drinking otherwise we may fall sick'.

Read the above article and answer the following question.

Why was Ibohal worried when he read the newspaper?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 3

It was a Sunday morning in May at Uripok, Imphal. Tomba was watching cartoon films in television. His mother Sanahanbi was in the kitchen. His father Ibohal was reading a newspaper. Suddenly Ibohal called out, 'Sanahanbi, it says in the newspaper that the main pipe carrying tap water in this area is broken at Iroisemba. The water in the pipe has got mixed with the water in the ditches. It also says that many people of Naoremthong are suffering from diarrhoea and vomiting because of this water. Why don't you throw away the water that was filled yesterday? Boil some clean water for drinking otherwise we may fall sick'.

Read the above article and answer the following question.

Suppose, Ibohal had not read the news and everyone had drunk the water without boiling it. What could have happened?

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IMPORTANT
Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 4

It was a Sunday morning in May at Uripok, Imphal. Tomba was watching cartoon films in television. His mother Sanahanbi was in the kitchen. His father Ibohal was reading a newspaper. Suddenly Ibohal called out, 'Sanahanbi, it says in the newspaper that the main pipe carrying tap water in this area is broken at Iroisemba. The water in the pipe has got mixed with the water in the ditches. It also says that many people of Naoremthong are suffering from diarrhoea and vomiting because of this water. Why don't you throw away the water that was filled yesterday? Boil some clean water for drinking otherwise we may fall sick'.

Read the above article and answer the following question.

In what way did Ibohal plan to clean the water?

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IMPORTANT
Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 5

It was a Sunday morning in May at Uripok, Imphal. Tomba was watching cartoon films in television. His mother Sanahanbi was in the kitchen. His father Ibohal was reading a newspaper. Suddenly Ibohal called out, 'Sanahanbi, it says in the newspaper that the main pipe carrying tap water in this area is broken at Iroisemba. The water in the pipe has got mixed with the water in the ditches. It also says that many people of Naoremthong are suffering from diarrhoea and vomiting because of this water. Why don't you throw away the water that was filled yesterday? Boil some clean water for drinking otherwise we may fall sick'.

Read the above article and answer the following question.

Ibohal asked Sanahanbi to throw away the water that was filled in the previous day. Can this water be used for some other purposes? What kind of purpose?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 6

How could you know the water is dirty? If the water looks clean, can you be sure that it is alright to drink that water?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 7

Have you seen dirty water in a river or pond?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 8

Give two examples of diseases caused by drinking polluted water.

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 9

Name the diseases caused by drinking polluted water.

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 10

Which disease can be caused by drinking contaminated water?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 11

Nothing happens due to drinking contaminated water.

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 12

Fill in the blank using the words given in the box:

Diarrhoea          cleans          dirty          Kali Bein          urbanisation                

_____ can be caused by drinking contaminated water.

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 13

Which diseases are spread by mosquitoes?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 14

Suppose a child in your neighbourhood gets diarrhoea. What all things will you suggest to reduce his weakness?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 15

Which among the following disease is caused due to a worm?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 16

Question Image
A pond is shown in the above picture. Write Yes or No if the water is suitable for drinking?

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 17

How is water contaminated? 

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 18

Why should we not drink contaminated water? 

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 19

How does pure water become impure? 

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Environmental Studies>Too Much Water, Too Little Water>Water Contamination> Q 20

How does the water in ponds become impure?