Question

Choose the incorrect pair.

\[ \begin{array}{|c|l|l|} \hline \text{Element} & & \text{Role} \\ \hline \text{A} & \text{Zinc} & \text{Auxin synthesis} \\ \hline \text{B} & \text{Nickel} & \text{Activator of urease} \\ \hline \text{C} & \text{Molybdenum} & \text{Component of nitrogenase} \\ \hline \text{D} & \text{Manganese} & \text{Activator of catalase} \\ \hline \end{array} \]

• A. A
• B. B
• C. C
• D. D

Hint:

Important micronutrients: \[ \boxed{ \begin{aligned} &\text{Zn} &&\rightarrow \text{Auxin synthesis}, &\text{Ni} &&\rightarrow \text{Urease activator}, &\text{Mo} &&\rightarrow \text{Nitrogenase component}, &\text{Fe} &&\rightarrow \text{Catalase and cytochromes}. \end{aligned} } \]

Answer 1

The Correct Option is D