A. Evapo-transpiration
B. Consumptive use
C. Un-confined water
D. a & b are correct
Related Mcqs:
- 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 - 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 - 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 - 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 - Rabi crops pertains to ___________________?
A. Throughout the year
B. Summer season
C. Monsoon season
D. Winter season - 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 - 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 - 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 - 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 - 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%
Advertisement