Biogeochemical Cycle Question Preview (ID: 531)


Carbon And Nitrogen Cycle Global Carbon Cycle The Sun And Geothermal Energy. TEACHERS: click here for quick copy question ID numbers.

The burning of fossil fuels has the greatest and most direct impact on the
a) rock cycle
b) water cycle
c) carbon cycle
d) nitrogen cycle

Carbon is used to make sugars in which step of the carbon cycle?
a) photosynthesis
b) respiration
c) digestion
d) transpiration

Carbon is removed from the atmosphere through what process?
a) burning fossil fuels
b) deforestration
c) respiration
d) photosynthesis

Where is carbon stored in the largest amounts on Earth?
a) atmosphere
b) oceans
c) lithosphere
d) ice caps

Which is the possible path of the movements of nitrogen in the nitrogen cycle?
a) soil - air- plants-air-animals-soil
b) soil-animals-plants-air-soil
c) air-animals-soil-plants-air
d) air-soil-plants-animals-soil-air

What are the primary sources of energy that drive the movement of matter among reservoirs?
a) the Sun and the plants
b) animal and solid Earth
c) solar and geothermal
d) plants and animals

Of these, which force is most directly responsible for creation of fossil fuels?
a) displacement
b) erosion
c) pressure
d) tectonic activity

Movement of carbon from geosphere to the atmosphere can be accomplished by
a) burning of fossil fuels
b) photosynthesis
c) respiration
d) all of the above

In which reservoir is dissolved carbon dioxide abundant?
a) fossil fuels
b) oceans
c) organic waste
d) plants

Most carbonates held in the geosphere take which form?
a) carbon monoxide
b) carbon dioxide
c) limestone
d) methane

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