JAMB Biology 2013 Objective — Question 17
Question 17 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2013 Objective paper, with the correct answer and a full explanation.
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Movement of minerals and chemical compounds within a plant occurs during
- A. transpiration
- B. diffusion
- C. osmosis
- D. translocationCorrect
Explanation
Transpiration is the loss of water vapour through the stomata, lenticels or cuticle. Diffusion is movement of molecules from high to low concentration. Osmosis is movement of water molecules through a differentially permeable membrane. Translocation is the transport of manufactured food substances from the leaves to all parts of the plant.
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