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In which of the following forms is iron ...

In which of the following forms is iron absorbed by plants

A

Free element

B

Ferrous

C

Ferric

D

both ferric and ferrous

Text Solution

Verified by Experts

The correct Answer is:
C
According to NCERT, plants absorb iron mostly in the form of ferric `(Fe^(3+))` ions. However, plants in acidic soil can absorb iron in ferrous `(Fe^(2+))` as well as ferric `(Fe^(3+))` form. It is an important constituent of proteins involved in the transfer of electrons like ferredoxin and cytochromes. It is reversibly oxidised from `Fe^(2+)` to `Fe^(3+)` during electron transfor. It activates catalase enzyme. It is essential for the formation of chlorophyll.
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