In D, replace the plural verb HAVE with singular verb HAS, as its subject WAVE is singular, requiring the singular form of the verb. Thus, C is the right answer.
The major microorganism that is considered most important as an indicator of soil quality is:
Which metamorphic rock is formed from the alteration of shale?
Reclammation of acidic soils is done by the use of……………………..
In a well-aggregated soil, how does soil porosity influence the movement of air and water?
 Biological oxidation of elemental Sulphur is carried out by which of the following bacteria?
Flooding is the method used for the reclamation practice in which of the problematic soil?
Which soil property is least affected by the size and arrangement of soil particles?
In which soil forming process are sodium ions accumulated on the clay's exchange complex, resulting in the formation of sodic soils?
Why do sandy soils generally have higher bulk densities compared to clayey soils?
Regarding the reclamation of saline soils, which of the following statement is/are correct?