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UPSC CAPF AC Paper - I
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A term biotype means

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Important Questions on Environment & Ecology

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 19
In a chain of communities in a succession, each community is a
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 20

Which of the following two criteria have to be met in order to qualify as a 'biodiversity hotspot' on the world hotspots map?

1. The region must contain at least 0.5 percent or 1500 species of vascular plants as endemic species.

2. The region has to have lost at least 70 percent of its primary vegetation.

Select the correct answer using the following Code:

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 22

With reference to a freshwater lake, consider the following characteristics

1. Richness in nutrients.

2. Rapid turnover of phytoplankton.

3. Depletion of dissolved oxygen.

Which of the above is/are observed in a lake alter its eutrophication?

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 23
A succession taking place in an area where there had been no vegetation earlier is called a ...... succession.
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 24
Transfer of energy from one organism to another in an ecosystem takes place in a
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 25
The succession may begin in an area where some natural disaster has caused removal of existing vegetation. Such a succession is called
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 26
When the succession starts under conditions highly unfavourable to plant s.owth and plants themselves, they have to create a suitable physical environment for themselves, it is
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 6 - Environment & Ecology>Exercise 1>Q 94
Which one of the following terms describe not only the physical space occupied by an organism, but also its functional role in the community of organisms?