POLUTION OF AIR AND WATER
I. Answer the following questions.(1M)
1.Define
air pollution.
2.Which
gas is the main constituent of air?
3.Name
the green house gases
4.Give
two examples of air pollutants.
5.Which
two gases cause acid rain?
6.Which
7.What
phenomenon is responsible for global warming?
is Marble cancer?
8.Which
9.Name
plan was made to save river Ganga?
two chemical contaminants of water.
10.Which
gas is produced due to incomplete combustion of fuels?
11.Name
the chemical which is used for the purification of water.
II. Answer the following questions.(2M)
12.What
is air pollution? Which two diseases are caused due to air pollution?
13.Define
potable water? Write the name of any two methods used for the purification of water.
14.What
is the Greenhouse effect? How does it affect the atmosphere?
15.What
steps has the Supreme Court taken to save the Taj Mahal from air pollution?
16.What
is water pollution? Give two examples of water pollutants.
17.What
is global warming? Write any one harmful effect of global warming.
18.What
19.Why
20.List
is smog? How it is harmful?
do we need to filter water before drinking? Name any two water borne diseases.
some sources of air pollutants
21.What
22.How
is green house effect.
does hot water act as pollutant?
23.What
are the different ways in which water gets contaminated?
24.What
is potable water?
25.Name
the plan launched to clean the river Ganga?
26.Name
the air pollutant which is harmful to the ozone layer.
27.What
is chemical contamination of water? How is it caused?
III. Answer the following questions.(3M)
28.What
are the causes of air pollution.
29.What
is acid rain? How is it formed?
30.How
can you conserve water?
31.Write
any three harmful effects of polluted water?
32.What
was the Ganga Action Plan? Why it failed in achieving its aim?
33.How
does air get polluted?
34.How
does the content of carbondioxide rise and become excessive in the atmosphere?
35.Explain
the differences between pure air and polluted air.
IV. Answer the following questions.(5M)
36.What
measures should be taken to control air pollution? (any 5 points)
37.Vishal
went to Agra after a long period of time. He saw that Taj-Mahal was not as white as
earlier. Give the reason for it and explain?
38.What
are the sources of water pollution?
39.Discuss how the following contribute to air pollution.
(i) Carbonmonoxide
(ii) Sulphur dioxide
(iii) Chlorafluoro carbons
(iv) Suspend particles
40.Describe
41.Can
the threat to the beauty of the Taj Mahal.
we reduce air pollution
42.What
are the measures that can be taken to control water pollution
43.Describe
44.Clear
the Green house effect?
transparent water is always good for drinking. Comment on this statement