Which of the following is a component of nitrogenase and nitrate reductase?

Which of the following is a microelement?

Which is not a true statement regarding macronutrients?

The deficiencies of micronutrients not only affect the growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below,which group of three elements shall affect most,both photosynthetic and mitochondrial electron transport?

The permeability of the cell membrane is determined by which mineral element?

Which element is provided in a smaller quantity to develop an attractive color in apples?