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Aerobic respiration occurs all the time in plant cells but photosynthesis only occurs in daylight - OCR Gateway - GCSE Biology - Question 10 - 2019 - Paper 3
Question 10
Aerobic respiration occurs all the time in plant cells but photosynthesis only occurs in daylight. Why is more energy released by a plant cell during the night? A)... show full transcript
Worked Solution & Example Answer:Aerobic respiration occurs all the time in plant cells but photosynthesis only occurs in daylight - OCR Gateway - GCSE Biology - Question 10 - 2019 - Paper 3
Step 1
Photosynthesis is endothermic taking in energy and aerobic respiration is exothermic.
Answer
During the night, plants cannot perform photosynthesis due to the absence of light; thus, they rely on aerobic respiration, which releases energy. Therefore, option A is the correct choice as it explains that while photosynthesis takes in energy, aerobic respiration releases energy.