Assertion : Plants absorb sulphur in the form of sulphate ions.
Reason : Sulphur bacteria are required for the formation of sulphate.

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

Which one of the following is a wrong statement?

Match the following and choose the correct combination from the given options.

Column-$I$	Column-$II$
$(A)$ Potassium	$(1)$ Constituent of ferredoxin
$(B)$ Sulphur	$(2)$ Involved in stomatal movement
$(C)$ Molybdenum	$(3)$ Needed in the synthesis of auxin
$(D)$ Zinc	$(4)$ Component of nitrogenase

Match the following columns:

Column-$I$	Column-$II$
$(A)$ Water splitting reaction	$(1)$ Boron
$(B)$ Uptake and utilisation of $Ca^{2+}$	$(2)$ Copper
$(C)$ Synthesis of auxin	$(3)$ Chlorine
$(D)$ Redox reaction	$(4)$ Zinc

For the limited nitrogen that is present in the soil,microbes compete with