Which elements is essential for the formation of chlorophyll

• GC Metals Non-Metals

Which one of the following elements is essential for the formation of chlorophyll in green plants?

1. Calcium
2. Iron
3. Magnesium
4. Potassium

Answer

Magnesium is essential for the formation of chlorophyll in green plants. Without magnesium, chlorophyll cannot capture sun energy needed for photosynthesis. In short, magnesium is required to give leaves their green color. 

The correct option is C.