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Question-1
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-2
The part of the earth where living organisms live.
(A)
Biosphere
(B)
Lithosphere
(C)
Hydrosphere
(D)
None of these
Question-3
The atmosphere with the help of green house gases retain its temperature. This phenomenon is called
(A)
Ozone layer
(B)
Green house effect
(C)
Ozone depletion
(D)
Green house gases
Question-4
Natural nutrient enrichment of streams and lakes is
(A)
Water pollution
(B)
Eutrophication
(C)
Air pollution
(D)
Land pollution
Question-5
The atmosphere is
(A)
The layer in which weather occurs
(B)
The layer that contains the ozone layer
(C)
The layer of water in the oceans
(D)
The layer of gases that surrounds earths
Question-6
The atmosphere can be divided into layers based on
(A)
Gas composition
(B)
Air temperature
(C)
Air pressure
(D)
Amount of water vapor
Question-7
________ is a dynamic and complex whole, interacting as an ecological unit.
(A)
Ecosystem
(B)
Ecology
(C)
Environment
(D)
Nature
Question-8
Which of the following is not as a consequence of global warming?
(A)
Rising sea level
(B)
Increasing agricultural productivity worldwide
(C)
Worsening health effects
(D)
Increased storm frequency and intensity
Question-9
__________ form the solid component, are the soil and rocks on the earth's surface as well as below water.
(A)
Lithosphere
(B)
Hydrosphere
(C)
Stratosphere
(D)
None of these
Question-10
The sum total of all living and non living components surrounding the ecosystem is called
(A)
Ecology
(B)
Environment
(C)
Both a and b
(D)
Green house
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Std 10
Tamil Nadu (English Medium)
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