Which one of the following is not an essential mineral element for plants while the remaining three are?
Answer is CADMIUM . Remaining three are essential.(browsed from internet)
cadmium is not important so according to me option 3 is correct..
i was wrong
phosphorus is present in the meristem in the plants body
cadmium(c) is correct option
As we learnt in
Criteria for essential elements -
1. Must be absolutely essential for supporting normal growth and reproduction.
2. Deficiency of one element cannot be met by supplying some other element.
3. Must be directly involved in metabolism of plant..
Cadmium is not an essential element for plants. Phosphorus is macronutrient and iron and manganese are micronutrients for plants.