The process in which oxygen is released into atmosphere is:

Green house

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Photosynthesis

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Combustion

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carbon cycle

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Solution

The correct option is B
Photosynthesis

The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water.

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Similar questions

The process in which oxygen is released into atmosphere is:

Q. Choose the statements that correctly differentiate between phosphorus and carbon cycle.
I. Phosphorus is released into the atmosphere due to respiratory activities while carbon is not
II. Carbon is released into the atmosphere due to respiratory activities while phosphorus is not
III. Phosphorus cycle is sedimentary while carbon cycle is gaseous
IV. Lithosphere is the reservoir for phosphorus cycle while atmosphere is the reservoir for carbon cycle

Q. Carbon is found in all organic material. It is used by plants to form organic molecules but most carbon is found in the atmosphere as carbon dioxide. Which of the following processes releases carbon dioxide back into the atmosphere?
I. Decomposition
II. Respiration
Ill. Combustion

Q. Identify the wrong statement/ statement from the following.
(1)

{C O}_{2}

is released into the atmosphere through volcanic activity
(2)

{C O}_{2}

is released into the atmosphere through process of photosynthesis
(3)

{C O}_{2}

is released into the atmosphere through process of respiration
(4)

{C O}_{2}

is released into the atmosphere through process of forest fires

Global carbon is fixed in the biosphere through photosynthesis.

(a) Explain any two ways by which carbon is returned to the atmosphere through natural processes.

(b) List any two human activities that have influenced the carbon cycle in nature. [3 marks]

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The process in which oxygen is released into atmosphere is:

The correct option is B Photosynthesis The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water.

The correct option is B
Photosynthesis

The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water.