Ecosystem(Patterns, Components; Productivity and Decomposition; Energy Flow; Pyramids of Number, Biomass, Energy) NEET Questions

Biology - Ecology and Environment

Ecosystem(Patterns, Components; Productivity and Decomposition; Energy Flow; Pyramids of Number, Biomass, Energy) MCQ Questions


7.
Which of the following is NOT one of the four components representing the functional aspects of an ecosystem?
A.
Stratification
B.
Productivity
C.
Energy flow
D.
Decomposition
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ANSWER :
A. Stratification
8.
In a forest ecosystem, the trees occupy:
A.
No specific strata
B.
Middle vertical strata
C.
Top vertical strata (canopy)
D.
Bottom vertical strata
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ANSWER :
C. Top vertical strata (canopy)
9.
In a pond ecosystem, the abiotic components include:
A.
All of the above
B.
Water with all dissolved inorganic and organic substances
C.
Solar input, temperature cycle, day-length
D.
The rich soil deposit at the bottom
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ANSWER :
A. All of the above
10.
In a pond ecosystem, autotrophic components include:
A.
Bacteria and fungi
B.
Only floating plants
C.
Phytoplankton, algae and floating, submerged and marginal plants
D.
Zooplankton and fish only
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ANSWER :
C. Phytoplankton, algae and floating, submerged and marginal plants
11.
The consumers in a pond ecosystem are represented by:
A.
Zooplankton, free-swimming and bottom-dwelling forms
B.
Bacteria and fungi
C.
Phytoplankton
D.
Submerged plants
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ANSWER :
A. Zooplankton, free-swimming and bottom-dwelling forms
12.
In a pond ecosystem, decomposers are mostly:
A.
Insects
B.
Fish
C.
Fungi, bacteria and flagellates
D.
Algae
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ANSWER :
C. Fungi, bacteria and flagellates