WAEC Biology 2023 Objective — Question 10
Question 10 of 50 from the West African Examinations Council (WAEC) Biology 2023 Objective paper, with the correct answer and a full explanation.
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An example of a process that involves osmosis is the
- A. movement of digested food from ileum into blood capillaries
- B. translocation of starch from leaves to all parts of a plant
- C. reabsorption of food nutrients from the kidney into blood capillaries
- D. movement of water from root hairs into cortical cellCorrect
Explanation
Water enters the plant through the root hairs. This decreases the concentration inside the root hair cells (when compared with the cortex). As a result, water from the root hair cells moves to the cortex by osmosis.
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