agriculture MCQs – Page 203

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

4041. A line shown on a map, drawn between the points of equal levels or heads is called ____________________?
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A. Contour line

B. Check line

C. All are correct

D. Ordinate line

4042. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?
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A. a and b are correct

B. Field-moisture deficiency

C. Soil-moisture deficiency

D. Equivalent-moisture deficiency

4043. The difference between saturation vapour pressure and actual vapour pressure at a constant temperature is called ___________________?
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A. Saturation vapour pressure

B. Partial pressure

C. Actual vapour pressure

D. Saturation deficit

4044. The discharge of a well per unit draw down usually expressed as gallons or liters per minute is called ____________________?
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A. Discharge

B. All are correct

C. Specific capacity

D. Specific volume

4045. The property of soil which indicates the volume of water stored in the formation is called ___________________?
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A. Specific yield

B. Porosity

C. Field capacity

D. Specific retention

4046. The lower limit of factor of safety against over turning in a gravity is _______________________?
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A. 1.3

B. 1.5

C. 1.4

D. 1.6

4047. It is important to keep the saturation gradient line within the body of a embankment of canal, the saturation gradient line in loomy soils lie at___________________?
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A. 1:2 to 1:4

B. 1:3 to 1:5

C. 1:4 to 1:6

D. 1:5 to 1:7

4048. A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?
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A. All are correct

B. Escape

C. Cross-Regulator

D. Head Regulator

4049. The soil which are formed due to the weathering effects particularly by movement of water and are high permeable are called _________________?
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A. Alluvial soils

B. Non-alluvial soils

C. Semi-impervious soils

D. Impervious soils

4050. Estimated quantity of global water is __________which covers about 70% of earth?
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A. 1.33x109km3

B. 1.35x109km3

C. 1.32x109km3

D. 1.30x109km3

4051. A structure made near weirs and barrages to facilitate the migration of fish up stream or down stream is called __________________?
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A. Fish pond

B. Fish pool

C. Fish ladder

D. Fish escape

4052. In the initial stage of rainfall, when soil moisture available in the root zone is very low, the rate of infiltration ?
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A. Normal

B. Increases

C. Reduces

D. remain stagnant

4053. Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by ____________________?
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A. Lacy

B. Darcy

C. Horton

D. Kennedy

4054. A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?
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A. Not required

B. Excess

C. Equal to

D. Less than

4055. A curve showing the maximum flow in the river and mean time reduces flow. we be called___________________?
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A. Infiltration capacity curve

B. All are correct

C. Ground water depletion curve

D. Infiltration capacity

4056. A particular flood which can occur in the basin in the worst meteorological and hydrological conditions is called ___________________?
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A. Maximum probable flood

B. Very high flood

C. Storm water flood

D. Standard flood

4057. The amount of moisture content present in the air, when it is expressed as weight per unit volume is called ________________?
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A. Absolute Humidity

B. All are correct

C. relative humidity

D. Humidity

4058. In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?
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A. Retaining wall

B. Divide wall

C. Breast wall

D. Cantilever wall

4059. The hydraulic structures like dams, barrages constructed on permeable foundations are likely to fail due to ___________________?
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A. Piping

B. All the above

C. Crushing

D. Sliding

4060. If the weir flood is designed continuous with divide piers as reinforced structure,such that the weight of divide piers, keep the structure safe against uplift, is called__________________?
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A. Rectangular weir

B. Non-gravity weir

C. Gravity weir

D. Sharp crested weir

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