agriculture MCQs – Page 43

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 Review each marked answer and report any item that may be outdated or unclear.

841. Water logging is the state of the soil where the water table brought ______________capacity or root zone of plants?
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A. Near

B. Within

C. Below

D. Far from

842. The water vapours are generally present in a atmosphere, some times isolated and sometimes mixed with other gases. in such a situation the pressure exerted by each component of mixture, will be called ______________________?
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A. Vapour pressure

B. Partial pressure

C. Saturation pressure

D. All are correct

843. The loss of head due to friction according to Darcys formula is _____________________?
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A. 4fLv2/2gd

B. 4fLv/gd

C. 4fLv/2gd

D. 4fLv2/gd

844. The aeration of water is done to remove _________________?
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A. Smell

B. Colour

C. Odour

D. Taste

845. The discharge carrying capacity of an irrigation channel depends upon ____________________?
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A. Silt grade, charge and slope

B. Silt amount and bed slope

C. Sediment size

D. Channel dimensions
846. The depth of water required by crops during the base period is called_____________________?
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A. Delta of water

B. Duty of water

C. Frequency of water

D. Acre inch

847. To pack with clay material generally for the purpose of checking leakage of water is called __________________?
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A. Cohesive

B. Repair

C. Pug

D. Seal

848. A line shown on a map, drawn between the points of equal levels or heads is called ____________________?
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A. All are correct

B. Check line

C. Contour line

D. Ordinate line

849. The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called________________?
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A. Pollution

B. Green house effect

C. Solar radiation

D. Warming

850. The soil has got______________?
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A. Six horizons

B. Two horizons

C. Five horizons

D. Seven horizons
851. An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?
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A. Out let

B. entrance

C. Inlet

D. Mixing

852. The unit of kinetic viscosity is equivalent to ______________________?
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A. cm/sec2

B. cm/sec

C. All are correct

D. cm2/sec
853. For a flood control reservoirs, the effective storage is equal to ___________________?
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A. Useful storage + surcharge storage -valley storage

B. Useful storage + surcharge storage

C. Useful storage valley storage

D. Useful storage + surcharge storage

854. Those crops which increase the nitrogen content of the soil and hence the fertility also are called ___________________?
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A. Cash crops

B. Food crops

C. Fodder

D. Leguminous crops
855. 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. Horton

B. Kennedy

C. Lacy

D. Darcy

856. Direct runoff is the sum of __________________?
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A. Sub-surface run off and deep percolation

B. Surface run-off and mass flow

C. Surface run off and flow

D. Bass flow and ground water run off

857. The free distance on the paddy surface which a wind can travel to any point to rise waves is called_________________?
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A. Wave amplitude

B. Fetch

C. Tide

D. Wave wash

858. The meandering pattern of a river is developed by ____________________?
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A. Average discharge

B. Dominant discharge

C. Maximum discharge

D. Critical discharge

859. A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called _____________________?
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A. Venturimeter

B. Cippoletti weir

C. regulator

D. Venturiflume
860. CLCV stands for__________________?
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A. cotton leaf cotton virus

B. cotton leaf complete virus

C. Cotton leaf cover virus

D. cotton leaf curl virus