During photosynthesis, the oxygen in glucose comes from

C O_{2}

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Water

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Both

C O_{2}

and water

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Oxygen via air

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Solution

The correct option is A $C O_{2}$
Photosynthesis equation-
6CO2 + 6H2O → C6H12O6 + 6O2
Carbon dioxide + Water → Glucose + oxygen.
During photosynthesis, Carbon dioxide is reduced into glucose, where CO2 gains electrons. Thus, oxygen in glucose comes from CO2.
Correct option is 'A'.

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Similar questions

During photosynthesis, the oxygen in glucose comes from

(a) $C O_{2}$

(b) water

(d) oxygen via air

The oxygen molecule in glucose formed during photosynthesis comes from ______.

Question 23
Oxygen liberated during photosynthesis comes from

(a) water
(b) chlorophyll
(c) carbon dioxide
(d) glucose

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