CSS :: Forestry Environment
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81. |
The soil formation occurs in the following consecutive stages: |
A. |
Weathering ? sedimentation |
B. |
Weathering ? pedogenesis |
C. |
Pedogenesis ? weathering |
D. |
Sedimentation ? pedogenesis |
Answer: Option B
Explanation:
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82. |
A population of individuals from the same genetic stock but differing in their morphology is called: |
A. |
Ecotype |
B. |
Ecad |
C. |
Ecotone |
D. |
Life form |
Answer: Option B
Explanation:
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83. |
The biological weathering commonly brought about by: |
A. |
Algae |
B. |
Bacteria |
C. |
Fungi |
D. |
Lichens |
Answer: Option D
Explanation:
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84. |
Mark the draught evader: |
A. |
Kangaroo rat |
B. |
Camel |
C. |
Desert rat |
D. |
All of these |
Answer: Option D
Explanation:
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85. |
The transition zone between two different types of communities is called: |
A. |
Biome |
B. |
Ecotone |
C. |
Biological spectrum |
D. |
Biological clock |
Answer: Option B
Explanation:
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86. |
A passive factor which affects formation of soil: |
A. |
Nature of parent material |
B. |
Annual rainfall |
C. |
Wind velocity |
D. |
Mean temperature |
Answer: Option A
Explanation:
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87. |
The science of ecology has been defined as the study of the structure and function of nature by: |
Answer: Option A
Explanation:
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88. |
Solum' includes: |
A. |
Horizons A1 and A2 only |
B. |
Horizon A only |
C. |
Horizons A2 and B only |
D. |
Horizons A and B |
Answer: Option D
Explanation:
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89. |
The rock cover of the earth is called: |
A. |
Lithosphere |
B. |
Xerosphere |
C. |
Pasmmosphere |
D. |
Pedosphere |
Answer: Option A
Explanation:
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90. |
Which of the following horizons has the maximum amount of organic matter? |
A. |
Horizons A2 and B |
B. |
Horizon B only |
C. |
Horizon A1 |
D. |
Horizons B and C |
Answer: Option C
Explanation:
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