Question detail
For cohesion-tension in transpiration, consider phloem tissue moving assimilates. Which interpretation fits the evidence?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Exchange substances official content
Question
- A. Explain cohesion-tension theory in transpiration This is shown by applying cohesion-tension in transpiration to phloem tissue moving assimilates, then linking the biological mechanism to exchange or transport efficiency.
- B. Only naming cohesion-tension in transpiration is enough, with no link to the exchange surface or transport pathway.
- C. The evidence should be ignored because Mass transport in plants is descriptive only.
- D. The opposite conclusion is correct because exchange substances are not affected by structure or gradients.
Answer
The correct answer is: Explain cohesion-tension theory in transpiration This is shown by applying cohesion-tension in transpiration to phloem tissue moving assimilates, then linking the biological mechanism to exchange or transport efficiency.
Explanation
This answer is correct because it anchors cohesion-tension in transpiration to the AQA learning objective: Explain cohesion-tension theory in transpiration. It uses the example of phloem tissue moving assimilates to connect structure, gradient, surface area, distance or transport pathway to a biological consequence, rather than repeating the objective generically.
Common mistake
Mass transport in plants common mistake 1
Giving a vague answer instead of directly addressing: Explain cohesion-tension theory in transpiration..
Answer by clearly explaining how to explain cohesion-tension theory in transpiration..
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