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

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

1.
An ecosystem is best defined as:
A.
A functional unit of nature where living organisms interact with each other and the surrounding physical environment
B.
A study of energy flow only
C.
A group of organisms of the same species
D.
A community of plants only
ANSWER :
A. A functional unit of nature where living organisms interact with each other and the surrounding physical environment
2.
Which of the following is NOT a terrestrial ecosystem?
A.
Grassland
B.
Forest
C.
Pond
D.
Desert
ANSWER :
C. Pond
3.
An ecosystem can be visualized as a:
A.
Closed system
B.
System without abiotic components
C.
System without biotic components
D.
Functional unit of nature
ANSWER :
D. Functional unit of nature
4.
Crop fields and aquaria are examples of:
A.
Aquatic ecosystems only
B.
Natural ecosystems
C.
Terrestrial ecosystems only
D.
Man-made (artificial) ecosystems
ANSWER :
D. Man-made (artificial) ecosystems
5.
The entire biosphere can be considered as:
A.
A single ecosystem
B.
Only an aquatic ecosystem
C.
Only a terrestrial ecosystem
D.
A global ecosystem - a composite of all local ecosystems on Earth
ANSWER :
D. A global ecosystem - a composite of all local ecosystems on Earth
6.
Which of the following are vertical components of an ecosystem?
A.
Stratification
B.
Decomposition
C.
Energy flow
D.
Productivity
ANSWER :
A. Stratification