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Movement of Substances
Quick questions on Osmosis in cells explained: O-Level Biology
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are comparing water concentrations?Show answer
Water moves by osmosis from the dilute side (more water) to the concentrated side (less water).
What are effect on animal cells?Show answer
An animal cell, such as a red blood cell, has no cell wall:
What are effect on plant cells?Show answer
A plant cell has a strong cellulose cell wall:
What is q1?Show answer
Define osmosis. [2 marks]
What is q2?Show answer
State what happens to a red blood cell placed in pure water and explain why. [2 marks]
What is q3?Show answer
Explain why a plant becomes turgid after watering. [2 marks]
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