The correct option is B Manganese, iron, molybdenum and copper
Plants require various elements for their normal and proper growth.
Certain elements are required in large amounts and are called macronutrients.
N,P,C,O are macronutrients.
Certain elements are required in small amounts and are called micronutrients.
Mo, Cu, Mn, Fe are micronutrients.
Certain elements are required only by certain higher plants and these are called beneficial elements. Na, Se, Co, Si are beneficial elements.