WAEC Biology 2009 Objective — Question 7
Question 7 of 60 from the West African Examinations Council (WAEC) Biology 2009 Objective paper, with the correct answer and a full explanation.
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Which of the following processes involves diffusion?
- A. A. Opening and closing of stomatal pores
- B. B. Turgidity of herbaceous plants
- C. C. Absorption of water through the root hairs
- D. D. Absorption of digested food into the villiCorrect
Explanation
The absorption of digested food into the villi occurs via diffusion.
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