CSS :: Ecology and General Silviculture
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111. |
In a parasitic food chain which trophic level is represented by bugs and lices? |
Answer: Option B
Explanation:
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112. |
The taiga ecosystems lie in the: |
A. |
Alpine zone |
B. |
Sub-alpine aone |
C. |
Temperate zone |
D. |
Sub-tropical zone |
Answer: Option B
Explanation:
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113. |
The pyramid of number in a forest ecosystem is: |
A. |
Rhombiodal |
B. |
Upright |
C. |
Inverted |
D. |
Linear |
Answer: Option A
Explanation:
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114. |
The biotic and abiotic components of the ecosystem are connected through: |
A. |
Standing quality |
B. |
Climatic regime |
C. |
Transducers |
D. |
Humification and mineralization |
Answer: Option D
Explanation:
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115. |
The pyramid of biomass in a shallow pond ecosystem is: |
A. |
Inverted |
B. |
Upright |
C. |
Rhomboidal |
D. |
Liver |
Answer: Option B
Explanation:
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116. |
The flow of materials and energy in an ecosystem is respectively: |
A. |
Cyclic only |
B. |
Cyclic and linear |
C. |
Linear and cyclic |
D. |
Linear only |
Answer: Option B
Explanation:
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117. |
The cybernatics of an ecosystem refers to: |
A. |
Harvest index |
B. |
A feed back mechanism |
C. |
Regulation of equilibrium |
D. |
Reverse energy flow |
Answer: Option C
Explanation:
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118. |
The pyramid of biomass in a forest ecosystem is: |
A. |
Upright |
B. |
Inverted |
C. |
Rhomboidal |
D. |
Linear |
Answer: Option A
Explanation:
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119. |
According to Lindemann, the total solar input in terms of gcal/cm2/year is: |
A. |
112,887 |
B. |
118,872 |
C. |
181,872 |
D. |
112,788 |
Answer: Option B
Explanation:
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120. |
The efficiency of primary production in an ocean is: |
Answer: Option D
Explanation:
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