Same chapter2 marksDifficulty: Easy
Write the balanced equation for photosynthesis and name the site where it occurs.
Photosynthesis
2 marksDifficulty: Easy
Write the balanced chemical equation for photosynthesis and name the source of the oxygen released.
Original Khojo Papers practice question — not from a past board paper.
Answer
6CO2 + 12H2O → C6H12O6 + 6H2O + 6O2, in the presence of sunlight and chlorophyll. The oxygen released comes from the photolysis of water.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Isotope experiments using water labelled with 18O confirmed that the oxygen comes from water and not from carbon dioxide.
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