2.19 Photosynthesis equations
Exam question
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Which is the balanced chemical equation for photosynthesis?
(1)Total for this question: 1 mark
2(e) NUTRITION · EXAM QUESTIONS
2.19 Photosynthesis equations
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2.19 Photosynthesis equations
Exam question
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How many molecules of oxygen are released for each molecule of glucose made?
(1)Total for this question: 1 mark
2.19 Photosynthesis equations
Exam question
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Give the word equation for photosynthesis.
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Total for this question: 2 marks
2.19 Photosynthesis equations
Exam question
Mark points shown after marking
Give the balanced chemical equation for photosynthesis.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
2.19 Photosynthesis equations
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Complete the balanced equation: 6CO₂ + ___H₂O → C₆H₁₂O₆ + ___O₂. Also give the condition written above the arrow.
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Total for this question: 3 marks
2.19 Photosynthesis equations
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State the chemical formula of glucose.
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Total for this question: 1 mark
2.19 Photosynthesis equations
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Explain how the photosynthesis equation shows that the process removes carbon dioxide from the air.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Use the balanced equation to calculate how many molecules of carbon dioxide are needed to make 3 molecules of glucose.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Explain why the word equation for photosynthesis is the reverse of the equation for aerobic respiration.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Identify the reactants in the photosynthesis equation.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Give the source of the oxygen atoms released as oxygen gas in photosynthesis.
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Total for this question: 1 mark
2.19 Photosynthesis equations
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Explain why light is written above the arrow rather than as a reactant.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Calculate how many molecules of water are used to make 5 molecules of glucose.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Suggest why the photosynthesis equation shows chlorophyll above the arrow.
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Total for this question: 2 marks
2.19 Photosynthesis equations
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Name the gas that is a product of photosynthesis.
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Total for this question: 1 mark