agriculture MCQs – Page 197

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 Review each marked answer and report any item that may be outdated or unclear.

3921. A pipe flowing full, the liquid particles in the pipe has maximum velocity at __________________?
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A. Centre of pipe

B. Top of pipe

C. Bottom of pipe

D. All are correct

3922. The formula used to calculate maximum flood discharge for a hilly () is_______________?
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A. Ryves formula

B. Nawab Jung Bahadur All formula

C. Dickens formula

D. Inglis formula

3923. Tanda dam is constructed on river ___________________?
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A. Kabul

B. Haro

C. Kohat

D. Hub

3924. The hydraulic gradient line (H.G.L)represents the sum of_________________?
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A. Water surface

B. Pressure head + datum head

C. Velocity head

D. Pressure head + velocity head

3925. In study of a granular material sliding on plane ground, the angle between the perpendicular and the surface in static condition is called ___________________?
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A. Angle of repose

B. Angle of friction

C. All are correct

D. Angle of internal friction

3926. A dam which is prevented from overturning by the action of lateral or vertical up thrust of water by its weight is called __________________?
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A. Gravity dam

B. Arch dam

C. Coffer dam

D. Buttress dam

3927. Flow in which each liquid particle has a definite path is called _____________________?
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A. uniform flow

B. Steady flow

C. Transitional flow

D. Laminar flow
3928. The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?
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A. Hurricane

B. Cyclonic

C. Convective

D. Orographic

3929. Art of making saline un-cultivable lands capable of re-cultivation is called.___________________?
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A. Fertilization

B. Reclamation

C. Growing crops

D. Water application

3930. An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?
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A. Flood protective bund

B. Dyke

C. Marginal embankment

D. Embankment

3931. Sterilization is the process of killing ___________ of water borne diseases, so as to make it safe for hospital use?
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A. Fungi bacteria i

B. Pathogenic bacteria

C. Algai bacteria

D. Insects

3932. The dam built for the purpose of diverting water from main stream to various courses of flow is called ____________________?
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A. Gravity dam

B. Coffer dam

C. Detention dam

D. Diversion dam
3933. Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?
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A. Capillary water

B. Effective water

C. Soil-moisture content

D. All are correct

3934. Sediment particles smaller than 0.002 mm which do not settle in water are called____________________?
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A. Fine silt particles

B. Colloids

C. Fine clay particles

D. All are correct

3935. The weight per unit of liquid at standard Temperature and pressure is called___________________?
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A. Specific weight

B. Capillary rise is significant

C. Mass density

D. Mass weight

3936. Art of growing crops, management of live stocks, husbandry and farming is called________________?
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A. all are correct

B. Water management

C. Agriculture

D. crop farming

3937. Always flow inside the ground is ____________________?
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A. Compressible

B. Rotational

C. Turbulent

D. Laminar
3938. When the reservoir is full, the maximum compressive force in a gravity dam is produced ___________________?
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A. Within the middle third of base

B. At the heel

C. At centre of base

D. At the toe
3939. Water application efficiency increases if the plot to be irrigated is__________________?
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A. Circular

B. Rectangle

C. Square

D. All are correct

3940. Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?
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A. Hygroscopic water

B. Effective water

C. Capillary water

D. Irrigation water