In which of the following forms is iron absorbed by plants ?

1. Ferric

2. Free element

3. Ferrous

4. Both ferric and ferrous

Doubtly Asked 30 Oct 2026 NEET UG 2018 neet Save WhatsApp Report

1 answer

Best answer

Answer: 4. Both ferric and ferrous

Plants take up iron mainly as ferric ions (Fe\(^{3+}\)), and it is also taken as ferrous ions (Fe\(^{2+}\)).

Since both forms can be absorbed, option 4 is correct; options 1 and 3 each name only one form, and free elemental iron cannot be absorbed.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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