Which of the following statements about photosynthesis is correct?
Correct answer: C. When 6 molecules of water are used, 1 molecule of glucose is produced
- A. When 6 molecules of carbon dioxide are used, 1 molecule of oxygen is produced
- B. When 1 molecule of water is used, 1 molecule of glucose is produced
- C. When 6 molecules of water are used, 1 molecule of glucose is produced
- D. When 1 molecule of glucose is produced, 12 molecules of oxygen are used
Explanation
Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose (a sugar) and oxygen. The balanced chemical equation for photosynthesis can be represented as:6 CO2 + 6 H2O + light energy → C6H12O6 (glucose) + 6 O2From the equation, we can see that 6 molecules of carbon dioxide and 6 molecules of water are used during photosynthesis. As a result, 1 molecule of glucose and 6 molecules of oxygen are produced.Therefore, option C) When 6 molecules of water are used, 1 molecule of glucose is produced is the correct statement regarding photosynthesis.
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