Which mineral element is essential for the repair of damaged cells?

$Ca^{+2}$ is an essential element in plants. Its major function is in

Deficiency of micronutrients not only affects plant growth but also disrupts their specific functions,such as photosynthesis and mitochondrial electron transport. Which of the following groups of three minerals is involved in photosynthesis and mitochondrial electron transport?

The chlorophyll molecule is not formed without which of the following elements?

Match the following items in List-$I$ with List-$II$ and select the correct option:

List-$I$	List-$II$
$(1)$ For repair of worn-out cells	$(a)$ Phosphorus
$(2)$ In the structure of $ATP$	$(b)$ Magnesium
$(3)$ In the synthesis of $ATP$	$(c)$ Zinc
$(4)$ In the structure of myoglobin in muscles	$(d)$ Iron

Match Column-$I$ and Column-$II$.

Column-$I$	Column-$II$
$a$. To maintain the ribosome structure	$i$. Boron
$b$. The anion-cation balance in cells	$ii$. Magnesium
$c$. Carbohydrate translocation	$iii$. Chlorine
$d$. Constituent of vitamin biotin	$iv$. Potassium
	$v$. Sulphur