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Photosynthesis

Oxygen we bre...

Question

Oxygen we breathe is obtained from ________.

A

Respiration

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B

Guttation

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C

Photosynthesis

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D

All of the above

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Solution

The correct option is C Photosynthesis
$C O_{2} + H_{2} O l i g h t - ----- \to c h l o r o p h y l l S u g a r + O x y g e n (O_{2})$
Oxygen is a product of photosynthesis. Apart from the natural composition of oxygen in the atmosphere, green plants are the only source of Oxygen replenishment for the atmosphere.

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