Match List-I with List-II

​List-I​	List-II
Land use	(I) Cover crop
C:N ratio	(II) Hilly areas
Landslide	(III) Mineralization and immobilization
Soil and water conservation	(IV) Soil capability classification

Choose the correct answer from the options given below:

Correct option is A

Correct matching: Option (a)
[a]-(IV), [b]-(III), [c]-(II), [d]-(I)
Explanation of correct pairs:
· (a) Land use → Soil capability classification (IV)
· Soil capability classification guides appropriate land use based on soil limitations and suitability (Classes I–VIII).
· (b) C: N ratio → Mineralization and immobilization (III)
· The C:N ratio controls whether nitrogen is released (mineralization) or temporarily tied up (immobilization) by microbes.
· (c) Landslide → Hilly areas (II)
· Landslides are most common in steep/hilly terrains due to slope instability and gravity.
· (d) Soil and water conservation → Cover crop (I)
· Cover crops reduce erosion, improve infiltration, and conserve soil moisture—core goals of soil & water conservation.
�� Key Points to Remember
· Land use decisions rely on soil capability.
· C:N ratio governs N cycling (mineralization vs immobilization).
· Landslides are typical of hilly areas.
· Cover crops are fundamental to soil & water conservation.