R.K. Sharma Test 11 — Agri Master Mind

The process of distribution of irrigation water is known as ___ ?
  • Palco
  • Kor watering
  • Rostering
  • Warabandi
Which one is wrong about the border strip method?
  • Suitable for sandy soils
  • Suitable for close-growing crops
  • Water from the channel is allowed into each strip at a time
  • All are correct statements
Statement 1: For crops like wheat, maize, and sorghum, 25% depletion of available soil moisture is adequate. Statement 2: Climatological approaches are also known as the book-keeping method.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Maximum production is achieved when irrigation is given at _____ soil moisture content in the root zone of the crop?
  • 0.35
  • 0.5
  • 0.65
  • All of the above
Statement 1: A drip irrigation system saves 50-70% water. Statement 2: Discharge rate is 1-4 ml/hr.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Which one is the most common method of surface irrigation?
  • Check basin
  • Furrow method
  • Flooding
  • Border strip
Which of the following is not an approach to irrigation scheduling?
  • Gravimetric approaches
  • Climatological approaches
  • Plant approaches
  • All are approaches for irrigation scheduling
A sprinkler irrigation system is not recommended when the wind velocity is greater than ____ km/hr?
  • 6
  • 8
  • 7
  • 12
Which one is correct about surge irrigation?
  • Intermittent application of water
  • Infiltration is decreased in surge irrigation which reduces water loss
  • Deep percolation is increased compared to continuous water application
  • All are correct statements
In the surge method, there are a series of on and off modes of _______ time spans.
  • Constant
  • Variable
  • Both A & B
  • None
The rate of water delivery in the sprinkler irrigation method is?
  • > 1000 L/hr
  • > 100 L/hr
  • > 5000 L/hr
  • > 500 L/hr
The percentage of applied irrigation water stored in the soil and made available for consumptive use by the crop is called?
  • Irrigation frequency
  • Irrigation efficiency
  • Irrigation period
  • Irrigation interval
Statement 1: The ring basin method is used for fruit trees. Statement 2: Mostly 5% of land is wasted for bunding in the check basin method.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Orifices, weirs, and flumes come under the category of ____ ?
  • Volumetric methods
  • Measuring structures
  • Tracer methods
  • Velocity-area methods
Major irrigation projects come under which category of command area?
  • > 10,000 ha
  • < 10,000 ha
  • < 24,710.538 acres
  • Both B & C
A field divided into small plots surrounded by small bunds on all sides is called?
  • Ring basin method
  • Check basin method
  • Border strip method
  • Furrow method
Volumetric methods are used in irrigation water measurement for?
  • Large irrigation streams
  • Small irrigation streams
  • Medium irrigation streams
  • All of the above
Statement 1: Orifices are used in open channel streams. Statement 2: Weirs measure the flow in an irrigation channel or the discharge of a well or channel outlet.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Which one is wrong about the sprinkler irrigation system?
  • Suitable for saline soils to leach salts
  • No risk of runoff & erosion
  • Irrigation area is increased by 4-5 times with the same amount of water
  • Saving of water from 25-50%
Scheduling of irrigation is not based on?
  • When to irrigate
  • How much to irrigate
  • How to irrigate
  • All are correct options based on scheduling irrigation
The slope ranges from ______ in the border strip method?
  • 0.1-1%
  • 0.5-1%
  • 0.6-3%
  • 0.5-2%
A 90-degree V-notch weir is used to measure?
  • Small flows
  • Medium flows
  • Large flows
  • Both A & B
Which irrigation method is the least labor-intensive?
  • Flooding
  • Border strip
  • Check basin
  • Furrow method
In a drip irrigation system, the discharge is from?
  • Emitters
  • Laterals
  • Both A & B
  • Sub-main line
Q = A * V (A = area & V = velocity of flow). What is the unit of Q (discharge rate)?
  • Cubic meters per second
  • Square meters per second
  • Meters per second
  • All of the above
Statement 1: In scheduling irrigation, "how much to irrigate" is based on the gross quantity of water requirement of the crop. Statement 2: More nutrients are available, and most crops take up water when soil moisture is near field capacity.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Which weir is used for highly variable water flow?
  • Triangular
  • Trapezoidal
  • Rectangular
  • All of the above
Statement 1: Uniform distribution of water is achieved in the border strip method. Statement 2: The furrow method is suitable for crops like sorghum, sugarcane, & tobacco.
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
  • Both are incorrect statements
  • Both are correct statements
Statement 1: The average annual rainfall over the country is about 300 mha. Statement 2: Out of 300 mha of rainfall, 75% is received by southwest monsoons and the remaining 25% in the remaining 8 months.
  • Both are incorrect statements
  • Both are correct statements
  • Statement 1 is correct and statement 2 is incorrect
  • Statement 1 is incorrect & statement 2 is correct
A bedding system is formed and adopted when the slope is up to ____ %.
  • 1
  • 0.5
  • 1.5
  • 2