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English I
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English II
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Question-1
A natural phenomenon that becomes harmful due to pollution is
(A)
Global warming
(B)
Ecological balance
(C)
Green house effect
(D)
Desertification
Question-2
The atmosphere with the help of green house gases retain its tempearture. This phenomenon is called
(A)
Ozone layer
(B)
Green house effect
(C)
Ozone depletion
(D)
Green house gases
Question-3
Which of the following is a prime health risk associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
(A)
Damage to digestive system
(B)
Increased liver cancer
(C)
Neurological disorder
(D)
Increased skin cancer
Question-4
The sum total of all living and non living components surronding the ecosystem is called
(A)
Ecology
(B)
Environment
(C)
Both a and b
(D)
Green house
Question-5
The part of the earth where living organisms live.
(A)
Lithosphere
(B)
Biosphere
(C)
Hydrosphere
(D)
None of these
Question-6
What is the harm from the depletion of Earth's ozone layer.
(A)
The average temperature of earth's surface will increase gradually
(B)
The oxygen content of the atmosphere will decrease
(C)
Increase amount of ultra violet radiation will reach earth's surface
(D)
Sea levels will rise as the polar ice caps will gradually melt
Question-7
Acid rain is formed due to the contribution from the following pair of gases.
(A)
Methane and ozone
(B)
Oxygen and nitrous oxide
(C)
Methane and sulphur dioxide
(D)
Carbon dioxide and sulphur dioxide
Question-8
The concentration of which gas is highest in our environment.
(A)
Oxygen
(B)
Hydrogen
(C)
Nitrogen
(D)
Carbon dioxide
Question-9
Which of the following is not a primary contributor to the green house effect?
(A)
Carbon dioxide
(B)
Carbon monoxide
(C)
Chlorofluorocarbons
(D)
Methane gas
Question-10
The green house effect has pushed up the global temperature. This phenomenon is called
(A)
Ozone depletion
(B)
Green house effect
(C)
Global warming
(D)
Ozone layer
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Std 10
ICSE/ISC
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