Question

Which of the following elements is an essential element?

• A. Na
• B. Co
• C. Fe
• D. Si

Answer 1

Answer:

C. Fe

• Fe is an essential element belonging to the group of micronutrients. Micronutrients consist of elements which are necessary for plant’s survival and are required in less than 10 mmole Kg-1.

• Na, Co and Si are beneficial elements required in very small amounts and are present in only few varieties of plants.