Environmental Ecology UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Environmental Ecology MCQ Questions


13.
Which of the following is NOT a level of ecological organisation?
A.
Individual
B.
Community
C.
Ecosystem
D.
Pedosphere
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ANSWER :
D. Pedosphere
14.
What determines the structure of a community?
A.
Only the abiotic factors
B.
Only the biotic factors
C.
Both biotic and abiotic factors
D.
None of the above
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ANSWER :
C. Both biotic and abiotic factors
15.
What does the term 'homeostasis' refer to in an ecosystem?
A.
The size of an ecosystem
B.
The energy level in organisms
C.
The capacity of self-regulation
D.
The biodiversity of a biome
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ANSWER :
C. The capacity of self-regulation
16.
Which is a characteristic of a desert biome?
A.
High rainfall
B.
Abundant vegetation
C.
Low humidity with sporadic rainfall
D.
Large variety of aquatic life
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ANSWER :
C. Low humidity with sporadic rainfall
17.
What are lentic water bodies?
A.
Moving water bodies like rivers
B.
Stagnant water bodies like lakes and ponds
C.
High salinity water bodies
D.
None of the above
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ANSWER :
B. Stagnant water bodies like lakes and ponds
18.
Which of the following is an example of an ecotone?
A.
Open ocean
B.
Mangrove forest
C.
Deep sea
D.
Glacier
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ANSWER :
B. Mangrove forest