agriculture MCQs – Page 198

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 Review each marked answer and report any item that may be outdated or unclear.

3941. Readily available moisture is the % of moisture that is always easily available to plant and this moisture is called _________________?
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A. 75%

B. 70%

C. 80%

D. 85%

3942. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
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A. 2

B. 1.0

C. 1.2

D. 1.5

3943. An engineer who is approached by a client for the purpose of design of hydraulic structures like dam. Barrage or Regulator is called ____________________?
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A. Irrigation Engineer

B. Chartered Engineer

C. Consulting Engineer

D. All are correct

3944. The resultant pressure of water acting at ________________________?
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A. None of these

B. H/3

C. H/2

D. 2H/3

3945. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?
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A. Soil saturation

B. Soil moisture content

C. All are correct

D. Moisture content

3946. Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?
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A. In-Compressible

B. Expandable

C. All are correct

D. Compressible

3947. The last length of the river before it falls into the sea is known as __________________?
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A. Sub-mountainous stage

B. Mountainous stage

C. trough stage

D. Delta stage
3948. That part of the flow in a stream comes from sub-soil or valley, may be beneath the top surface of channel bed is called__________________?
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A. Ground flow

B. Sub-surface flow

C. All are correct

D. Base flow
3949. The depth of root zone for rice crop is about___________________?
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A. 100 cm

B. 70 cm

C. 80 cm

D. 90 cm
3950. The depth of flow at which the energy is maximum is called ____________________?
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A. Critical depth

B. All are correct

C. Sub-critical depth

D. Super critical depth

3951. The season that starts from 1st October and ends on 31st March, runs for 182 days is called __________________?
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A. Rabi season

B. Monsoon season

C. Kharif season

D. Wheat season

3952. The height from the top of the embankment to the normal water level in canal .Dam Reservoir etc, which allows for small waves to splash without over flow is called___________________?
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A. Free board

B. Free space

C. Free end

D. Free faced

3953. Cultivation made on small plane steps because of more steepness of the area is called __________________?
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A. Cascade farming

B. Terrace farming

C. All are correct

D. Step farming

3954. Sliding failure occurs in a solid gravity dam when____________________?
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A. Shear friction factor Is less than 1.5

B. Resultant of all forces cuts the base at the inner middle third point

C. Ratio of over turning moments exceeds than unity

D. Resultant of all forces cuts the base of the dam out side the toe

3955. An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?
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A. Bye-wash

B. Disposal channel

C. Water escape

D. paved-escape
3956. Cavitation is caused by _____________________?
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A. High velocity

B. Low pressure

C. High pressure

D. Low discharge

3957. Rabi crops pertains to ___________________?
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A. Monsoon season

B. Throughout the year

C. Summer season

D. Winter season
3958. Mercury does not wet the glass because of its property of ______________________?
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A. Capillary

B. Viscosity

C. Compressibility

D. Surface tension
3959. A watershed canal __________________?
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A. Is most suitable in hilly areas

B. Avoids the cross drainage works

C. Is generally aligned parallel to the contour of the area

D. Irrigates only on one side

3960. A fluid is a substance that ____________________?
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A. Is partially incompressible

B. Can not remain at rest under the action of any shear force

C. Can not be subjected to shear force

D. Always expands until it fills any container