CSS :: Ecology and General Silviculture
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101. |
A man is the part of biotic community: |
A. |
Always |
B. |
Only when he lives in big cities |
C. |
Only when he lives in forest |
D. |
Never |
Answer: Option A
Explanation:
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102. |
Which of the following terms is not a synonym literally for ecosystem? |
A. |
Ecosom |
B. |
Ecosphere |
C. |
Microcosm |
D. |
Holocoene |
Answer: Option B
Explanation:
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103. |
The percentage of light energy utilized for photosynthesis by higher plants is: |
Answer: Option D
Explanation:
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104. |
The term reducer is applied to: |
A. |
Decomposers |
B. |
Detrivores |
C. |
Both (a) & (b) |
D. |
Heterotrophs |
Answer: Option C
Explanation:
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105. |
The primary consumers are described as: |
A. |
Herbivores |
B. |
Converters |
C. |
Transducers |
D. |
All of these |
Answer: Option A
Explanation:
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106. |
The ration of food energy assimilated to the food energy ingested is called: |
A. |
Trophic level efficiency |
B. |
Photosynthetic efficiency |
C. |
Net production efficiency |
D. |
Assimilation efficiency |
Answer: Option D
Explanation:
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107. |
The ecosystem lying in the alpine zone between taiga and polar ice is called: |
A. |
Savana |
B. |
Autotrophic |
C. |
Heterotrophic |
D. |
Tundra |
Answer: Option D
Explanation:
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108. |
Which of the following is the smallest unit? |
A. |
Biosphere |
B. |
Ecosphere |
C. |
Ecosystem |
D. |
Biome |
Answer: Option C
Explanation:
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109. |
In a stabilized ecosystem the P/R ratio is: |
A. |
One |
B. |
Less than one |
C. |
More than one |
D. |
Any of these |
Answer: Option A
Explanation:
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110. |
According to Odum, the percentage of net primary production of total light intake is: |
Answer: Option C
Explanation:
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