Land Ecosystems UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Land Ecosystems MCQ Questions


13.
Which Indian state has the highest percentage of forest cover as per ISFR 2017?
A.
Arunachal Pradesh
B.
Madhya Pradesh
C.
Mizoram
D.
Kerala
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ANSWER :
C. Mizoram
14.
Which forest type is affected by Mediterranean climate?
A.
Tropical Thorn Forest
B.
Temperate Evergreen Forest
C.
Tropical Semi-evergreen Forest
D.
Coniferous Forest
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ANSWER :
B. Temperate Evergreen Forest
15.
Which animal is not typically found in the Tundra?
A.
Reindeer
B.
Lynx
C.
Arctic hare
D.
Caribou
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ANSWER :
B. Lynx
16.
In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

UPSC - 2021

A.
Carbon cycle
B.
Nitrogen cycle
C.
Phosphorus cycle
D.
Sulphur cycle
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ANSWER :
C. Phosphorus cycle
17.
The main limiting factors of terrestrial ecosystems are:
A.
Sunlight and wind
B.
Moisture and temperature
C.
Soil and precipitation
D.
Humidity and light
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ANSWER :
B. Moisture and temperature
18.
With reference to the circumstances in Indian agriculture, the concept of “Conservation Agriculture” assumes significance.
Which of the following falls under Conservation Agriculture?
1. Avoiding the monoculture practices
2. Adopting minimum tillage
3. Avoiding the cultivation of plantation crops
4. Using crop residues to cover the soil surface
5. Adopting spatial and temporal crop sequencing/crop rotations
Select the correct answer using the code given below:
UPSC - 2018
A.
1,3 and 4 only
B.
2,3,4 and 5
C.
2,4 and 5
D.
1,2,3 and 5
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ANSWER :
C. 2,4 and 5