The delta the total depth of water consumed by a crop from 1st watering when matures, the delta for rice is___________________?

Related Mcqs:

1. The delta the total depth of water consumed by crop up to its maturity, the delta of cotton is ____________________?

   A. 100 cm
   B. 80 cm
   C. 50 cm
   D. 40 cm

2. The delta the total water depth required by a crop up to its maturity the delta of wheat is _____________________?

   A. 60cm
   B. 50cm
   C. 40 cm
   D. 30cm

3. The delta the total water requirement of crop from the time of sowing to harvesting the delta of sugarcane is __________________?

   A. 120cm
   B. 100cm
   C. 80cm
   D. 70cm

4. The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

   A. Afflux
   B. Final depth
   C. Sequent depth
   D. Down stream water depth

5. The depth of root zone for rice crop is about___________________?

   A. 70 cm
   B. 80 cm
   C. 90 cm
   D. 100 cm

6. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

7. if the depth of water in an open channel is greater than the critical depth, the flow is called________________?

   A. Critical depth
   B. Non-critical flow
   C. Sub-critical flow
   D. Shooting flow

8. 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

9. That rain fall which is effectively consumed by the plants to meet its consumptive needs is called__________________?

   A. Effective rain fall
   B. Total rainfall
   C. Monsoon rainfall
   D. All are correct

10. Wilting point is that limit after that the crop starts feeding up and no water is available for plant, this point occurs after _________________?

    A. 30% water available
    B. 25% water available
    C. 20% water available
    D. All are correct