CBSE BoardEnglish MediumSTD 10ScienceLife Processes1 Mark
MCQ
Oxygen liberated during photosynthesis comes from :
✓
Water.
B
Chlorophyll.
C
Carbon dioxide.
D
Glucose.
✓
Answer
Correct option: A.
Water.
Splitting of water molecule, results in liberation of oxygen and hydrogen.
Hydrogen is utilized for reduction of carbon dioxide so that carbohydrate can be made.
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