Ecology and Environment AFCAT Questions

AFCAT Biology

Ecology and Environment MCQ Questions


7.
India has more than ____ genetically different strains of rice.
A.
10,000
B.
5,000
C.
50,000
D.
1,00,000
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ANSWER :
C. 50,000
8.
The functional unit of nature where living organisms interact with non-living components is called:
A.
Habitat
B.
Ecosystem
C.
Biome
D.
Biosphere
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ANSWER :
B. Ecosystem
9.
Which mountain range has greater amphibian species diversity than the Eastern Ghats (textbook example of species diversity)?
A.
Western Ghats
B.
Vindhya
C.
Himalayas
D.
Aravalli
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ANSWER :
A. Western Ghats
10.
The place where an organism lives is called its:
A.
Niche
B.
Ecosystem
C.
Biome
D.
Habitat
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ANSWER :
D. Habitat
11.
According to IUCN (2004), the total number of plant and animal species described worldwide is slightly more than:
A.
150 million
B.
5 million
C.
7 million
D.
1.5 million
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ANSWER :
D. 1.5 million
12.
Which one represents the functional role of a species in an ecosystem?
A.
Biome
B.
Habitat
C.
Ecological niche
D.
Community
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ANSWER :
C. Ecological niche