Biogeochemical Cycles: Question Preview (ID: 21985)

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This process removes carbon dioxide from the atmosphere.
a) photosynthesis
b) cellular respiration
c) decomposition
d) nitrogen fixation

Where does water come from before going into a plant?
a) atmosphere
b) lithosphere
c) hydrosphere
d) biosphere

What reactants are used in the process of cellular respiration?
a) carbon dioxide and water
b) sugar and water
c) carbon dioxide and oxygen
d) sugar and oxygen

Where is water located before condensing into a cloud?
a) atmosphere
b) hydrosphere
c) lithosphere
d) biosphere

What are the products of cellular respiration?
a) sugar and oxgyen
b) carbon dioxide and oxygen
c) carbon dioxide and water
d) water and sugar

What form of water exists in a cloud?
a) solid
b) gas
c) liquid
d) non newtonian

What are the reactants needed for photosynthesis?
a) carbon dioxide and water
b) sugar and oxgyen
c) water
d) carbon dioxide

Where do plants get carbon?
a) biosphere
b) lithosphere
c) hydrosphere
d) atmosphere

What are the products of photosynthesis?
a) carbon dioxide
b) sugar and oxgyen
c) carbon dioxide and water
d) sugar

Which of the following does NOT put carbon dioxide back into the atmosphere?
a) cellular respiration
b) decomposition
c) photosynthesis
d) combustion

What occurs during denitrification?
a) Plants use nitrogen gas.
b) Plants and animals eat nitrogen.
c) Bacteria convert nitrogen to a usable form.
d) Bacteria return nitrogen to gas form.

What happens to the amount of matter over time?
a) stays the same
b) increases
c) decreases
d) increases then decreases

Which process is bacteria NOT responsible for?
a) denitrification
b) nitrogen fixation
c) cellular respiration
d) decomposition

When water droplets form, which process has likely occured?
a) evaporation
b) condensation
c) transpiration
d) run-off

What forms during the process of evaporation?
a) water vapor
b) water
c) ice
d) snow

During which process do plants need oxygen?
a) decomposition
b) nitrogen fixation
c) cellular respiration
d) precipitation

Which process removes nitrogen from the atmosphere?
a) nitrogen fixation
b) denitrification
c) cellular respiration
d) photosynthesis

How do animals get the carbon and nitrogen they need?
a) breathing
b) from the ground
c) eating
d) from decomposition

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