Those crops which increase the nitrogen content of the soil and hence the fertility also are called ___________________?

Related Mcqs:

1. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?

   A. Soil-moisture deficiency
   B. Field-moisture deficiency
   C. Equivalent-moisture deficiency
   D. a and b are correct

2. The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?

   A. Archimed’s principle
   B. Darcy’s law
   C. Permeability law
   D. Thiem’s law

3. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?

   A. Soil moisture content
   B. Moisture content
   C. Soil saturation
   D. All are correct

4. The quantity of water lost by transpiration from the plants or crops and evaporation from fields adjacent to these plants is called ___________________?

   A. Evapo-transpiration
   B. Consumptive use
   C. Un-confined water
   D. a & b are correct

5. Rabi crops pertains to ___________________?

   A. Throughout the year
   B. Summer season
   C. Monsoon season
   D. Winter season

6. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?

   A. Soil stabilization
   B. Densification
   C. Compaction
   D. All are correct

7. On relative basis, when one soil is eroded as compared to other soil under same conditions, this property is called __________________?

   A. Compact ability
   B. Erodibility
   C. Viscosity
   D. All are correct

8. The property of soil which indicates the volume of water stored in the formation is called ___________________?

   A. Specific yield
   B. Porosity
   C. Field capacity
   D. Specific retention

9. the phenomenon of evaporation from water surfaces, from soil surfaces around the plants and from plants and transpiration from plants is called ___________________?

   A. Evapotranspiration
   B. Transpiration
   C. Evaporation
   D. All are correct

10. A series of vertical steps in a stream made to avoid soil scouring is called ___________________?

    A. Levees
    B. Embankment
    C. Cascades
    D. Banks