SOF National Science Olympiad (NSO/ISO)
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Set D
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2024
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Sample
Which gas is released as a by-product of photosynthesis?
Explanation
Explanation
During photosynthesis, plants use carbon dioxide and water in the presence of sunlight and chlorophyll to produce glucose, releasing oxygen as a by-product: 6CO2 + 6H2O → C6H12O6 + 6O2.
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
An object is dropped from a height of 180 m. Find the time it takes to reach the ground. (Take g = 10 m/s², ignore air resistance)