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Earn 100

Plants produce oxygen by the process of .

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Important Questions on Biogeochemical Cycles

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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
State the role of respiration in ‘Oxygen Cycle’.
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
The percentage of oxygen in the atmosphere of Earth is
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Oxygen is returned to the atmosphere in only one major process. It is :
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
What are the two forms of oxygen found in the atmosphere?
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
The process that adds oxygen to the atmosphere is
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
The two forms of oxygen found in the atmosphere are
MEDIUM
Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Make simple sketch to show oxygen cycle in nature.
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Oxygen is returned to the atmosphere mainly by :
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Oxygen is returned to the atmosphere by
MEDIUM
Science>Biology>Biogeochemical Cycles>Oxygen Cycle
With the help of a suitable diagram, describe the oxygen cycle occurring in the biosphere. Name the major process through which oxygen is returned to the atmosphere. Also, name the process through which oxygen enters from the atmosphere into the living world. What role do organisms play in the oxygen cycle?
MEDIUM
Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Draw the diagram of the oxygen cycle.
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
What is the percentage of oxygen in air?
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
If more trees are grown in the industrial towns
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Name the process which utilizes oxygen present in air.
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Name the two forms of oxygen found in the atmosphere.
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle

Oxygen is returned to the atmosphere mainly by

EASY
Science>Biology>Biogeochemical Cycles>Oxygen Cycle
The two forms of oxygen found in the atmosphere are
MEDIUM
Science>Biology>Biogeochemical Cycles>Oxygen Cycle

Fill in the blank with the correct option provided in the bracket.

Plants and animals remove oxygen from the atmosphere during _____. (photosynthesis/transpiration/respiration)

MEDIUM
Science>Biology>Biogeochemical Cycles>Oxygen Cycle
Oxygen is returned to the atmosphere mainly by
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Science>Biology>Biogeochemical Cycles>Oxygen Cycle
What are the different forms of oxygen found in the atmosphere?