Which of the following is the source of oxygen that is released during photosynthesis?

carbon dioxide

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water

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glucose

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chlorophyll

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Solution

The correct option is B
water

Oxygen is released due to the photolysis of water. Sunlight helps in splitting up of the water molecules thereby releasing oxygen.

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The oxygen that is released as O $_{2}$ during photosynthesis came from _____________ molecules.

What is needed for photosynthesis in which carbon dioxide and water react in the presence of chlorophyll to produce glucose and oxygen?

Question 23
Oxygen liberated during photosynthesis comes from

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

Question 23
Oxygen liberated during photosynthesis comes from

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

Which option correctly fills up the blanks in the following equation?

(i)+WaterSunlight+(ii)−−−−−−−−→Glucose+(iii)

(i) Oxygen (ii) Starch (iii) Chlorophyll

(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

(i) oxygen (ii) Chlorophyll (iii) Carbon dioxide

(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

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