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WorksheetsMODULE 1 - ASSESSMENT 1
Total questions: 10
Worksheet time: 4mins
Which of the following is a possible producer in an ecosystem
Plants and some bacteria
Animals
Human beings
Fish
Which of the following statement is false?
Inorganic nutrients are recycled in an ecosystem
Energy flows through the ecosystem in the form of carbon- carbon bonds
Energy is recycled in an ecosystem
Respiration process releases energy
A food web consists of
a portion of food chain
producers, consumers and decomposers
interlocking food chain
a set of similar consumers
Which of the following components of environment are effective transporters of matter
atmosphere and hydrosphere
atmosphere and lithosphere
Hydrosphere and Lithosphere
None of these
Biosphere is
a solid shell of inorganic materials on the surface of earth
thin shell of organic matter on the earth comprisisng of all living things
the sphere which occupies the maximum volume of all the spheres
all of the above
The removal of carbon dioxide from the earth atmosphere and the provision of long term storage of carbon in the terrestrial biosphere is known as
Carbon sequestration
Carbon dating
Carbon Fixing
Photosynthesis
The concentration of carbon in living matter is almost 100 times greater than its concentration in earth because
Carbon is produced in living cells
living things extract carbon from non living environment
carbon is bio magnified in living cells
carbon cannot be recycled
Which of the following does not add carbon dioxide to atmosphere
cooking with gas
planting trees
burning wood
riding in a bus
In what process is Carbon transformed into chemical energy?
Photosynthesis
Respiration
Primary Production
Secondary Production
Why is the carbon cycle important?
It continuously reuses and recycles carbon in the ecosystem
It helps animals to digest food
It takes nitrogen and oxygen out of the atmosphere
