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1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is a characteristic feature of cropland ecosystem ?
A
Absence of weeds
B
Absence of soil organisms
C
Ecological succession
D
Least genetic diversity
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following would appear as the pioneer organisms on bare rocks?
A
Lichens
B
Green algae
C
Liverworts
D
Mosses
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The term ecosystem was coined by :
A
E.P. Odum
B
E. Haeckel
C
E. Warming
D
A.G. Tansley
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
During ecological succession :
A
the establishment of a new biotic community is very fast in its primary phase.
B
the numbers and types of animals remain constant.
C
the changes lead to a ommunity that is in near equilibrium with the environment and is called pioneer community
D
the gradual and predictable change in species composition occurs in a given area
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