The soil which feels smooth, sticky and plastic when moist and forms very hard clods when dry:

Correct option is C

Correct Answer: (c) Clay
Explanation:
→ Clay soil has extremely fine particles, giving it stickiness, plasticity and cohesiveness when wet.
→ Upon drying, it forms very hard clods due to strong compaction.
Information Booster:
→ High water-holding capacity but poor aeration; requires proper management in aquaculture ponds.
Additional Information:
(a) Sand: Coarse, non-sticky.
(b) Silt: Smooth but less sticky.
(d) Loam: Balanced texture.