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English I
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English II
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Question-1
The final stable community in ecological succession is
(A)
Climax
(B)
Sere
(C)
Pioneers
(D)
Carnivores
Question-2
An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having
(A)
High stability and high resilience
(B)
Low stability and low resilience
(C)
High stability and low resilience
(D)
Low stability and high resilience
Question-3
The term 'Ecosystem' was first coined by
(A)
A.G. Tausley
(B)
Keynes
(C)
Samuelson
(D)
Alfred Marshall
Question-4
The most appropriate measure of a country's economic growth is its
(A)
Gross Domestic Product
(B)
Net Domestic Product
(C)
Net National Product
(D)
Per Capita Real Income
Question-5
Transfer of energy in different trophic levels of an ecosystem is called
(A)
Bioenergetics
(B)
Biosystem
(C)
Geobiocoenosis
(D)
Holocoenotic
Question-6
Acacia arabica is
(A)
Hydrophyte
(B)
Mesophyte
(C)
Xerophyte
(D)
All the above
Question-7
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-8
Ozone day is observed on
(A)
September 16
(B)
April 25
(C)
January 15
(D)
December 16
Question-9
Which one of the following is not a functional unit of an ecosystem?
(A)
Productivity
(B)
Stratification
(C)
Energy flow
(D)
Decomposition
Question-10
Scientific study of soil is called :
(A)
Pedology
(B)
Demology
(C)
Topology
(D)
Entonology
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Std 9
ICSE/ISC
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