9
MCQ (Single Correct Answer)
Among the following where do you think the process of decomposition would be the fastest?
A
Tropical rain forest
B
Antarctic
C
Dry arid region
D
Alpine region
10
MCQ (Single Correct Answer)
How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?
A
$1 \%$
B
$10 \%$
C
$40 \%$
D
$90 \%$
11
MCQ (Single Correct Answer)
During the process of ecological succession the changes that take place in communities are
A
orderly and sequential
B
random
C
very quick
D
not influenced by the physical environment
12
MCQ (Single Correct Answer)
Climax community is in a state of
A
non-equilibrium
B
equilibrium
C
disorder
D
constant change
13
MCQ (Single Correct Answer)
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
A
Phosphorus
B
Nitrogen
C
Sulphur
D
All of these