Water storage efficiency in the root zone depends upon__________________?

Related Mcqs:

1. 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

2. The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?

   A. Cohesive force
   B. Capillary force
   C. Tension force
   D. Gravity force

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. The process to dilute the available salts from root Zone by providing simply canal water is known as __________________?

   A. Reclamation
   B. Leaching
   C. Recultivation
   D. de-salting

6. When reservoir is full on upstream side, the maximum stress comes upon__________________?

   A. Top of dam
   B. Bottom of dam
   C. Face of dam
   D. All are correct

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

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

8. In the initial stage of rainfall, when soil moisture available in the root zone is very low, the rate of infiltration ?

   A. Increases
   B. Reduces
   C. remain stagnant
   D. Normal

9. 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

10. 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