The unirrigated lands affected by flooding or moisture of rivers are called:

This question also relates to land classification based on water sources, specifically focusing on natural moisture from rivers.

• Sailabi (Option A) is the correct answer. This term describes land that benefits from the moisture left by receding floodwaters or is naturally irrigated by the proximity to rivers, making it fertile without artificial irrigation.
• Barani (Option B) refers to land solely dependent on rainfall, not river moisture or flooding, thus it is incorrect.
• Both A and B (Option C) is incorrect because Barani and Sailabi describe distinct types of unirrigated land based on their water source.

Distinguishing between these land types is important for assessing agricultural potential and land revenue.