Question

Identify true statements regarding IRON:-
(i) It is present in two amino acids - cysteine and methionine.
(ii) It is the main constituent of several coenzymes, vitamins.
(iii) It is required in a larger amount in comparison to other micronutrients.
(iv) It is an important constituent of proteins involved in the transfer of electrons.
(v) It is essential for the formation of chlorophyll.
(vi) It activates the catalase enzyme.

• A. (i),(ii),(iii) and (v)
• B. (iii),(iv),(v) and (vi)
• C. (i),(ii),(iii) and (iv)
• D. (i),(iii),(iv),(v) and (vi)

Answer 1

The correct option is B (iii),(iv),(v) and (vi)

i. Cysteine and Methionine are sulfur-containing amino acids.

ii. It is the main constituent of co-factor and minerals. co-factors are metal ions such as iron, zinc, cobalt, and copper that loosely bind to an enzyme’s active site.

Remaining are true statements.

So, option B is the correct answer.