Assignment Details

Pollution Of Air And Water

1452 minutes

Feb 02, 7:48 AM

80.0 marks

MCQ

40 questions

Rahul

I m teaching science ,math , english,sst,hindi to classs 8th 9th and 10th and also Economics to 11th,12th, and B.A students.My qualification is pg in Economics with first division +b.ed ..I have teaching experience of more than 8 years .I am also a computer teacher.....Thank u

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Student's Future Of Natio

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I have created this classroom in order to save future of students.... Although this is paid class..but future is not more important than money..

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Question Text

Question 1 :
Gases like methane, nitrous oxide contribute towards rising temperature of earth's atmosphere. What are they called?

Question 2 :
The smog causes breathing difficulties such as _____ , ______and ______ in children.

Question 3 :
The Ganga at which part in Uttar Pradesh (U.P.), has one of the most polluted stretches of the river?

Question 4 :
The sun’s heat is allowed to get in but is not allowed to go out. The trapped heat warms the _______.

Question 5 :
We should always use more chlorine tablets than specified. State true or false.

Question 7 :
This chemical protects our crops and is washed into water bodies from the field-

Question 8 :
Name any two water pollutants which are toxic for plants and animals.

Question 9 :
Which of the following is not a way to conserve water?

Question 12 :
CFCs damage the _____ layer of the atmosphere that protects us from harmful ultraviolet rays of the sun.

Question 13 :
State True or False. Water which is suitable for drinking is called soft water.

Question 14 :
Which gas is produced by combustion of fuels like coal in power plants and can cause respiratory problems?

Question 15 :
Lakhs of trees are planted every year in July. This event is called as-

Question 16 :
Deforestation leads to _______ in the amount of $CO_{2}$ in the air because the number of trees which consume $CO_{2}$ is ______

Question 17 :
State True or False. The towns and cities, through which the Ganga river flows, throw large quantities of garbage, untreated sewage, dead bodies, and many other harmful things, directly into the river

Question 18 :
The soil is affected by impure water which causes changes like -

Question 19 :
Which refineries are a major source of gaseous pollutants like sulphur dioxide and nitrogen dioxide?

Question 21 :
State True or False. We can survive for some time without air but we cannot survive even for a few minutes without food.

Question 23 :
Which part of the Indian population does Ganga river sustains the most?

Question 24 :
Incomplete combustion of fuel such as petrol and diesel gives ______.

Question 25 :
World Wide Fund for Nature (WWF) found that Ganga is one of the ten most _____ rivers in the world.

Question 26 :
In the following statements, the words in inverted commas are jumbled up. Write them in their correct form.Gangotri glacier in Himalaya has started melting because of 'lablog ringwam'.

Question 27 :
Excess of which of the following gas in the air is responsible for this green house effect

Question 30 :
State True or False. A brick kiln emits lot of smoke and other harmful gases causing air pollution.

Question 31 :
By volume, about __% of the air mixture is nitrogen and about __% is oxygen.

Question 32 :
State True or False. The sources of air pollutants are factories, power plants, automobile exhausts and burning of firewood and dung cakes.

Question 36 :
Choose the sources which cause air pollution due to suspended particulate matter.

Question 37 :
A lot of oxygen in the water body gets used up. This results in a decrease in the oxygen level which may kill-

Question 38 :
The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is ________.

Question 39 :
State True or False. It is not only living organisms that get affected by polluted air but non-living things like buildings, monuments and statues also get affected.

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