(a) Drift
(b) Alluvial soils
(c) Residual soils
(d) Colluvial soils
Ans. (c) : Residual soils

Explanation:-
If the soil stays at the place of it’s formation just above the parent rock, then it is known as residual soil.
• When the soil has been deposited at a place away from the place of origin, then it is known as transported soil.