CSS :: Ecology and General Silviculture
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For students in search of
- Hydroponic Gardening
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Guides - Basics to Experts level
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Growing fruit and vegetables hydroponically
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Practical daily questions or queries of hydroponics lovers
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Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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1. |
The word ecosystem was coined by: |
A. |
Daubenmire/R.Misra/Koestle |
B. |
Tansley |
C. |
Weaver and Clements |
D. |
Odum/Kormondy |
Answer: Option B
Explanation:
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2. |
Ecosystem has two components: |
A. |
Plants and animals |
B. |
Weeds and trees |
C. |
Biotic and abiotic |
D. |
Frogs and men |
Answer: Option C
Explanation:
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3. |
An ecosystem may be defined as: |
A. |
A localized association of several plants and animals |
B. |
Different communities of plants, animals and microbes, together with their physico-chemical environments |
C. |
Different communities of plants and microbesm plus their physico-chemical environments |
D. |
None of the above |
Answer: Option B
Explanation:
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4. |
Which one of the following terms does not reflect the idea of ecosystem: |
A. |
Holocoene |
B. |
Cherposem |
C. |
Biosystem |
D. |
Geobiocoenosis |
Answer: Option B
Explanation:
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5. |
In natural ecosystem, decomposers include: |
A. |
Only bacteria and fungi |
B. |
Only microscopic animals |
C. |
The above two types of organisms plus mactoseopic animals |
D. |
Only the above two types of organisms |
Answer: Option A
Explanation:
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6. |
Competition for water, minerals, light and space is most severe between two: |
A. |
Closely related species occupying the same niche |
B. |
Closely related species occupying different niche |
C. |
Unrelated species occupying the same niche |
D. |
Species occupying different overlapping ecosystems |
Answer: Option A
Explanation:
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7. |
Ecosystem is: |
A. |
Both open and closed unit depending upon the biomass present |
B. |
Closed unit |
C. |
Open unit |
D. |
Both open and closed unit depending upon community type |
Answer: Option C
Explanation:
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8. |
Each human couple should produce only two children which help in: |
A. |
Checking pollution |
B. |
Fertility of soil |
C. |
Stabilizing the ecosystem |
D. |
Improving food-web |
Answer: Option C
Explanation:
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9. |
A habitat of long severe winters and growing season limited to a few months of summer constitutes: |
A. |
Savana ecosystem |
B. |
Taiga ecosystem |
C. |
Tundra ecosystem |
D. |
None of the above |
Answer: Option B
Explanation:
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10. |
An ecosystem is: |
A. |
A community of organisms interacting with one another |
B. |
The abiotic component of an area |
C. |
The part of the earth and its atmosphere where living organisms exist |
D. |
A community of organisms together with the environment in which they live |
Answer: Option D
Explanation:
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