NEET 2018 Biology question

Not in NEET syllabus

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

(1)Free element
(2)Ferrous
(3)FerricCorrect
(4)Both ferric and ferrous

Answer: (3)

Solution

As per the NCERT table of essential mineral elements (Mineral Nutrition), iron is absorbed by plants as ferric ions (). Plants cannot absorb the free element, so

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Question ID VK-092291