This is a popular question among the candidates but the aspect of map work was poorly answered by the candidates.  The aspect on description of the alluvial soil was rightly described as a soil that was formed through deposition, found on coastal areas and flood plains, are poorly drained most times, usually greyish in colour, not possessing well defined horizons, usually fertile for cultivation of vegetables, naturally covered by grasses, sticky and water logging.

     The importance of alluvial soils in Nigeria include: could be extracted for construction, used for arable farming, provides base for port construction, used for pedelogical research, provide site for the construction of human settlement; produce  raw materials for local crafts industries and base for alluvial gold.