Multiple choice

In which of the following processes are minerals absorbed?

  1. Adsorption

  2. Diffusion

  3. Active transport

  4. Osmosis
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mineral absorption in plants primarily occurs through active transport, which requires energy to move ions against their concentration gradients. Diffusion and osmosis are passive processes, while adsorption refers to surface attachment - none of these can explain the selective accumulation of minerals often found in higher concentrations inside roots than in soil.

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