Select the pair which is not correctly matched in the term of C/P ratio and Mineralization/immobilization

Solution(By Examveda Team)

Mineralization is the conversion of biomass to gaseous form, water, salts, minerals, and residual biomass, and in soil science, the elements like phosphorus are converted to available forms.
Immobilization is the conversion of inorganic compounds to organic compounds by microorganisms or plants, by which it is prevented from being accessible to plants.
C/P ratio is the ratio of carbon to phosphorus in soil.
Now, out of the given options, > 400 ⟺ Net immobilization of inorganic P is not correctly matched.