agriculture MCQs – Page 34

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 Review each marked answer and report any item that may be outdated or unclear.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

661. Best time of sowing for cotton is______________?
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A. Mid June to mid July

B. non of these

C. Mid March to mid April

D. Mid May to mid July

662. Gassypium hirsutum was developed from a cross between________________?
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A. G.arbarieum and G.herbaceum

B. G.arbarieum and G. rainmundii

C. G.arbarieum and G.thurberii

D. G.arbarieum and G.barbadense

663. The branch of Science which deals cultivation of land is called________________?
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A. Geology

B. Agriculture

C. Horticulture

D. Petrology

664. Total energy line (T.E.L) represents the sum of ________________________?
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A. Velocity head + potential head + datum head

B. Pressure head + kinetic head and datum head

C. Velocity head + kinetic head + datum head

D. The energy head + potential head + datum head

665. the ratio between the rate of change of discharge of the out let to the rate of change of discharge of the distributary is called ______________________?
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A. Proportionally

B. Sensitivity

C. flexibility

D. Flow abili

666. When the weight of weir balances the up lift pressure caused by the head of the water seeping below the weir bed is called ___________________?
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A. Broad crested weir

B. Gravity weir

C. Non-gravity weir

D. Cippollite weir

667. A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?
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A. 2.0 2.5 m/sec

B. 3.5 4.0 m/sec

C. 2.5 3 m/sec

D. 3.0 3.5 m/sec

668. A cloud is formed due to condensation. it consists of a small particle of ice an. small droplets of water, having diameter about ___________microns?
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A. 30

B. 40

C. 35

D. 45

669. 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. Saturation deficit

C. Actual vapour pressure

D. Partial pressure

670. The floods which exceeds the designed magnitude of a reservoir is called _______________________?
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A. High floods

B. Storm flood

C. Intensive flood

D. Standard protects flood

671. Gassypium herbaceum was originated in______________?
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A. Kenya and South Africa

B. South Mexico and Central America

C. Indonesia and Central America

D. Ethipia and South Africa

672. A series of vertical steps in a stream made to avoid soil scouring is called ___________________?
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A. Embankment

B. Levees

C. Cascades

D. Banks

673. For an economical design of gravity dam, the shear friction factor causec compression strength should lie between____________________?
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A. 3 to 5

B. 2.0 to 4.0

C. 1.5 to 4.0

D. 2.5 to 4.5

674. The ratio between the force causing a body to slide along a plane and the force normal to the plane is called __________________?
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A. Coefficient of resistance

B. All are correct

C. Coefficient of friction

D. Coefficient of internal friction

675. The water way from a weir is determined by using Laceys wetted perimeter i.e. P=_______(Q)1/2 ?
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A. 5.75

B. 3.5

C. 4.75

D. 3.75

676. The significant damage to crop generally occurs when capillary meniscus reaches permanent wilting point known as _______________?
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A. Equivalent moisture

B. Hygroscopic moisture

C. A and B

D. Unavailable moisture

677. The losses of irrigation water due to the seepage but That. does not join the under ground reservoir is called __________________?
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A. Evaporation losses

B. Seepage losses

C. Absorption losses

D. Percolation losses

678. When FSL of the canal is sufficiently above the bed level of drainage so that canal flows under syphonis action, the structure is called _____________________?
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A. Canal-syphon

B. Super passage

C. Syphon Aqueduct

D. Aqueduct

679. The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?
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A. Canal level

B. FSL

C. HFL

D. Pond level

680. The total length of impervious floor on down stream of the hydraulic structure is determined by Blighs Theory__________________?
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A. Lane

B. Darcy

C. Khosla

D. All are correct

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