7
MCQ (Single Correct Answer)
Pyramid of numbers is
A
Always upright
B
Always inverted
C
Either upright or inverted
D
Neither upright nor inverted
8
MCQ (Single Correct Answer)
Approximately how much of the solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?
A
Less than $1 \%$
B
$2-10 \%$
C
$30 \%$
D
$50 \%$
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