Question detail
Which option best explains controlled variables within Photosynthesis?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Photosynthesis
Question
- A. Identify variables that should be controlled when investigating light intensity and photosynthesis rate.
- B. Students often forget to identify all the variables that need to be controlled, focusing only on light intensity.
- C. It is not correct that identify variables that should be controlled when investigating light intensity and photosynthesis rate.
- D. The idea only requires memorising the topic title for Photosynthesis.
Answer
In this question, Identify variables that should be controlled when investigating light intensity and photosynthesis rate. 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 Identify variables that should be controlled when investigating light intensity and photosynthesis rate. is the best option here. Linking the idea to factors that are kept constant during an experiment to ensure that the results are valid keeps the explanation specific.
Common mistake
Controlling Variables in Photosynthesis Experiments
Students often forget to identify all the variables that need to be controlled, focusing only on light intensity.
Remember to consider other factors such as temperature, carbon dioxide concentration, and the type of aquatic organism used, ensuring a fair test.
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