Question detail
Which option best explains energy demand within Respiration?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Respiration
Question
- A. During exercise the body reacts to increased demand for energy.
- B. Students often think that the body only requires energy during exercise and not at rest.
- C. It is not correct that during exercise the body reacts to increased demand for energy.
- D. The idea only requires memorising the topic title for Respiration.
Answer
In this question, During exercise the body reacts to increased demand for energy. is correct It stays aligned to the exact wording and meaning of the objective.
Explanation
In AQA-style practice, the correct answer must match the objective closely and use the science rather than filler wording. That is why During exercise the body reacts to increased demand for energy. is the best option here. Linking the idea to in Response to exercise, energy demand refers to the increased requirement for energy by the body during physical activity. This matters in Respiration because it supports the learning objective to explain that during exercise the body reacts to increased demand for energy. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions keeps the explanation specific.
Common mistake
Misunderstanding Energy Demand
Students often think that the body only requires energy during exercise and not at rest.
Emphasize that the body continuously requires energy for basic functions, and during exercise, the demand increases significantly.
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