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

Related Mcqs:

1. 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

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

   A. Leguminous crops
   B. Cash crops
   C. Fodder
   D. Food crops

3. Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?

   A. Effective water
   B. Soil-moisture content
   C. Capillary water
   D. All are correct

4. Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?

   A. Capillary water
   B. Irrigation water
   C. Effective water
   D. Hygroscopic water

5. Rabi crops pertains to ___________________?

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

6. The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?

   A. Soil moisture
   B. Equivalent moisture
   C. Field moisture
   D. Available moisture

7. The area irrigated in the year and it grows crops on which water rates are leveled is called____________________?

   A. Area Assessed
   B. Area leased
   C. Area irrigated
   D. Area cultivated

8. Water logging is the state of the soil where the water table brought ______________capacity or root zone of plants?

   A. Far from
   B. Within
   C. Below
   D. Near

9. A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?

   A. Water pool
   B. Cistern
   C. Down stream pond
   D. Water cushion

10. An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?

    A. 70%
    B. 75%
    C. 80%
    D. 85%