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The diagram shows a potometer - OCR Gateway - GCSE Biology - Question 14 - 2021 - Paper 1
Question 14
The diagram shows a potometer. What is the purpose of the water in X? A To provide water for the leafy twig. B To reset the gas bubble to the start of the scale. ... show full transcript
Worked Solution & Example Answer:The diagram shows a potometer - OCR Gateway - GCSE Biology - Question 14 - 2021 - Paper 1
Step 1
What is the purpose of the water in X?
Answer
The purpose of the water in X is to reset the gas bubble to the start of the scale. This allows for accurate measurement of water loss by the plant through transpiration, as the position of the gas bubble indicates the amount of water that has been absorbed by the plant.