Question on: JAMB Biology - 2018
Mineral salts can be absorbed into roots by
A
Osmosis only
B
Osmosis and diffusion
C
Diffusion and active transport
D
Imbition only
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Correct Option: C
The absorption is by the process called, Osmosis.... Root hairs are made up of epidermal cells, which are present on the surface of the root, they also increase the surface area for absorption. They absorb minerals by active transport and water by osmosis. These substances then move to the xylem.
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