The oxygen liberated during photosynthesis by green plants comes from:
(a) glucose
(b) water
(c) carbon dioxide
(d) chlorophyll

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Solution

(b) water
During photosynthesis, the water molecule is split into hydrogen and oxygen.

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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

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

During photosynthesis, the oxygen in glucose comes from

(a) $C O_{2}$

(b) water

(d) oxygen via air

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