Phosphorus is required for making
$I.$ shell
$II.$ bones
$III.$ teeth
Choose the correct option

Study the following columns and choose the correct match.

Column-$I$	Column-$II$
$(A)$ Photolysis of water	$(1)$ Zinc
$(B)$ Diazotrophy	$(2)$ Copper
$(C)$ Cytochrome-c oxidase	$(3)$ Manganese
$(D)$ Biosynthesis of $IAA$	$(4)$ Molybdenum
	$(5)$ Boron

Match the columns:
$I$ $II$
$(A)$ Magnesium $(i)$ Found in middle lamella
$(B)$ Sulphur $(ii)$ $A$ structural component of chlorophyll
$(C)$ Calcium $(iii)$ Required for enzyme activity
$(D)$ Iodine $(iv)$ Found in some amino acids
$(E)$ Manganese $(v)$ $A$ component of sugars
$(vi)$ Not important for plants

Select the incorrect statement from the following options.

Given below are two statements:
Statement $I$: Diazotrophs are the nitrogen-fixing microorganisms,which are exclusively symbiotic.
Statement $II$: Organic fertilizers include farmyard manure,compost,and green manure.
In light of the above statements,choose the most appropriate answer from the options given below.

Identify the mismatched pair.