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CONTENTS
English I
Computer Application
Physics
Chemistry
Biology
Mathematics
History
Geography
Economics(optional)
Commercial Application
Civics
English II
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Question-1
The concentration of which gas is highest in our environment.
(A)
Oxygen
(B)
Hydrogen
(C)
Nitrogen
(D)
Carbon dioxide
Question-2
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-3
If the presence of any gas becomes a threat to health whether in higher or smaller amounts and if new gases are added to the atmosphere, it is called
(A)
Water pollution
(B)
Sound pollution
(C)
Air pollution
(D)
Land pollution
Question-4
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-5
The study of relationships between organisms and their environment is called
(A)
Zoology
(B)
Ecology
(C)
Eco biology
(D)
Microbiology
Question-6
The process of transforming of water vapor into water and ice is called
(A)
Humidity
(B)
Condensation
(C)
Evaporation
(D)
Transpiration
Question-7
The part of the earth where living organisms live.
(A)
Lithosphere
(B)
Biosphere
(C)
Hydrosphere
(D)
None of these
Question-8
Which of the following is not as a consequence of global warming?
(A)
Rising sea level
(B)
Increased agricultural productivity world wide
(C)
Worsening health effects
(D)
Increased storm frequency and intensity
Question-9
A natural phenomenon that becomes harmful due to pollution is
(A)
Global warming
(B)
Ecological balance
(C)
Green house effect
(D)
Desertification
Question-10
The most serious environmental effect posed by hazardous wastes is
(A)
Air pollution
(B)
Contamination of ground water
(C)
Increased use of land for landfills
(D)
Destruction of habitat
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Std 10
ICSE/ISC
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