5
MCQ (Single Correct Answer)
Which of the following is not a producer?
A
Spirogyra
B
Agaricus
C
Volvox
D
Nostoc
6
MCQ (Single Correct Answer)
Which of the following ecosystems is most productive in terms of net primary production?
A
Deserts
B
Tropical rain forests
C
Oceans
D
Estuaries
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