Land Ecosystems UPSC Questions

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

Land Ecosystems MCQ Questions


1.
Which of the following is not a type of Tundra?
A.
Arctic
B.
Alpine
C.
Temperate
D.
None of the above
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ANSWER :
C. Temperate
2.
The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities.How do mangroves function as a safety hedge ?
UPSC - 2011
A.
The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out
B.
The mangroves provide both food and medicines which people are in need of after any natural disaster
C.
The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or Tsunami
D.
The mangrove trees do not get uprooted by storms and tides because of their extensive roots
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ANSWER :
D. The mangrove trees do not get uprooted by storms and tides because of their extensive roots
3.
If the tropical rain forest is removed,it does not be regenerate quickly as compared to a tropical deciduous forest.This is because
UPSC - 2011
A.
The soil of rain forest is deficient in nutrients.
B.
Propagules of the trees in a rain forest have poor viability.
C.
The rain forest species are slow-growing.
D.
exotic species invade the fertile soil of rain forest.
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ANSWER :
A. The soil of rain forest is deficient in nutrients.
4.
Which forest type is characterized by evergreen trees like Spruce, Fir and Pine?
A.
Temperate Deciduous Forest
B.
Tropical Rain Forest
C.
Coniferous Forest
D.
Tropical Thorn Forest
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ANSWER :
C. Coniferous Forest
5.
Contour bunding is a method of soil conservation used in
UPSC - 2013
A.
desert margins, liable to strong wind action
B.
low flat plains, close to stream courses, liable to flooding
C.
scrublands, liable to spread of weed growth
D.
None of the above
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ANSWER :
D. None of the above
6.
In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
UPSC - 2013
A.
insects and fungi
B.
limited sunlight and paucity of nutrients
C.
water limits and fire
D.
None of the above
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ANSWER :
C. water limits and fire