Multiple choice

Iron is mainly absorbed in

  1. ferrous ion form

  2. ferric ion form

  3. Both (1) and (2)

  4. atomic form
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plants primarily absorb iron from the soil in the form of ferric ions (Fe3+). While some plants can reduce it to the ferrous form (Fe2+) for easier uptake or metabolic use, the ferric form is the standard state for absorption in most soil conditions.

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