A-Level UK (AQA, Edexcel, OCR) · Biology
Photosynthesis and respiration
9 practice questions, each with the answer and an explanation.
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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 9 questions
- Where in a chloroplast do the light-dependent reactions occur?
- What are the products of photolysis of water in the light-dependent reaction?
- In the Calvin cycle, what is the first stable product formed when carbon dioxide combines with ribulose bisphosphate?
- A graph shows the rate of photosynthesis levelling off as light intensity increases at 20 degrees Celsius and 0.04% carbon dioxide. What is the most likely explanation?
- What is the net yield of glycolysis from one molecule of glucose?
- What happens in the link reaction?
- What is the role of oxygen in aerobic respiration?
- Why does anaerobic respiration in muscle produce lactate?
- During exercise, a student uses 150 cm3 of oxygen and releases 120 cm3 of carbon dioxide. What is the respiratory quotient?
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