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English II
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Question-1
The term 'Ecosystem' was first coined by
(A)
A.G. Tausley
(B)
Keynes
(C)
Samuelson
(D)
Alfred Marshall
Question-2
Transfer of energy in different trophic levels of an ecosystem is called
(A)
Bioenergetics
(B)
Biosystem
(C)
Geobiocoenosis
(D)
Holocoenotic
Question-3
Which one of the following is not a functional unit of an ecosystem?
(A)
Productivity
(B)
Stratification
(C)
Energy flow
(D)
Decomposition
Question-4
In every decade Indian population gets increased by about
(A)
24%
(B)
25%
(C)
28%
(D)
26%
Question-5
Which one of the following is NOT a gaseous bio geo chemical cycle in ecosystem?
(A)
Nitrogen cycle
(B)
Carbon cycle
(C)
Sulphur cycle
(D)
Phosphorus cycle
Question-6
In an aquatic ecosystem, the trophic level equivalent to cows in grasslands is
(A)
Nekton
(B)
Zooplankton
(C)
Phytoplankton
(D)
Benthos
Question-7
Which of the following occupies a key position in overall economic growth?
(A)
Banking
(B)
Developmnet
(C)
Agriculture
(D)
Industry
Question-8
Ozone day is observed on
(A)
September 16
(B)
April 25
(C)
January 15
(D)
December 16
Question-9
Ozone layer of upper atmosphere is being destroyed by
(A)
Chlorofluorocarbon
(B)
Photochemical oxidants
(C)
Sulphur dioxide
(D)
Smog
Question-10
Scientific study of soil is called :
(A)
Pedology
(B)
Demology
(C)
Topology
(D)
Entonology
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Std 9
ICSE/ISC
Practice in Related Chapters
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