Sulfur is an essential nutrient that significantly increases growth and productivity in which type of crops?

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$A$. Iron	$I$. Synthesis of auxin
$B$. Zinc	$II$. Component of nitrate reductase
$C$. Boron	$III$. Activator of catalase
$D$. Molybdenum	$IV$. Cell elongation and differentiation

Choose the correct answer from the options given below:

What is the primary role of phosphorus in a plant?

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?

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$(a)$ Manganese	$(i)$ Activates the enzyme catalase
$(b)$ Magnesium	$(ii)$ Required for pollen germination
$(c)$ Boron	$(iii)$ Activates enzymes of respiration
$(d)$ Iron	$(iv)$ Functions in splitting of water during photosynthesis

Which of the following is the correct set of micronutrients for plants?