Answer:
Alluvial Plains: An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms.
Glacial plains: formed by the movement of glaciers under the force of gravity.
Lava plains: These are economically vey important because black soils are formed due to weathering of lavas. These black soils are also called ‘Regur’ soils are good for growing cotton.
Loesses plains: It is formed due to air transportation of the sand; it is an unstratified, homogeneous fine-grained.
Lacustrine Plain: A lacustrine plain or lake plain is a plain formed due to the past existence of a lake and its accompanying sediment accumulation.