It is a component of Nitrogenase and Nitrate reductase.

With the help of examples,describe the classification of essential elements based on the function they perform.

Plants requiring two metallic compounds (minerals) for chlorophyll synthesis,are

Which element is required in large amounts in comparison to other micronutrients and is also a constituent of proteins involved in the transfer of electrons,such as ferredoxin and cytochromes?

Write the importance of $Zn^{2+}$ and $Cu^{2+}$ in plants.

Which one of the following elements is not an essential micronutrient for plant growth?