Biogeography CDS Questions

CDS World Geography

Biogeography MCQ Questions


13.
The vertical distribution of different species occupying different levels in an ecosystem is called:
A.
Stratification
B.
Mineralisation
C.
Succession
D.
Speciation
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ANSWER :
A. Stratification
14.
In a pond ecosystem, phytoplankton, algae and floating plants represent the:
A.
Abiotic component
B.
Consumer component
C.
Decomposer component
D.
Autotrophic (producer) component
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ANSWER :
D. Autotrophic (producer) component
15.
In aquatic ecosystems such as a pond, the decomposers are mainly:
A.
Floating and submerged plants
B.
Zooplankton and fishes
C.
Phytoplankton and algae
D.
Fungi, bacteria and flagellates
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ANSWER :
D. Fungi, bacteria and flagellates
16.
Vegetation that grows in regions of India receiving less than 70 cm of annual rainfall is typically classified as:
A.
Thorn forest and scrub vegetation
B.
Tropical evergreen forest
C.
Tidal mangrove forest
D.
Montane temperate forest
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ANSWER :
A. Thorn forest and scrub vegetation
17.
Tropical evergreen forests in India are best developed in areas receiving annual rainfall of more than:
A.
200 cm
B.
50 cm
C.
100 cm
D.
70 cm
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ANSWER :
A. 200 cm
18.
Mangrove (tidal) forests are characteristically found in:
A.
High Himalayan slopes
B.
Dry deciduous plateaus
C.
Arid desert interiors
D.
Coastal areas and river deltas influenced by tides
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ANSWER :
D. Coastal areas and river deltas influenced by tides