801. The process of converting food nutrients to carbohydrates in plants is called________________?
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A. Absorption

B. Photosynthesis

C. Assimilation

D. Metabolism

802. Soil reaction of preference of sugarcane is________________?
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A. 7.03 pH

B. 6.5 pH

C. 8.00 pH

D. 6.00 pH

803. Theoretical velocity of the jet at Vena Contracta is determined by ________________?
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A. 2g (h)1/2

B. 2(gh)1/2

C. 2gh

D. (2 gh)1/2
804. When crop plants adopt to a new environment are called___________________?
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A. Accaumatization

B. Domestication

C. Introduction

D. Selection

805. Torsional force does not act on ____________________?
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A. Liquids

B. Soil

C. Steel

D. Wood

806. Major source of sugar in world is_________________?
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A. Sugarcane

B. Dates

C. Beet root

D. Water melon

807. The total dissolved solids in drinking water should not exceed_________________?
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A. 1000 mg/litre

B. 1300 mg/litre

C. 1200 mg/litre

D. 1500 mg/litre
808. The living together of two or more species in a prolonged and intimate ecological relationship is called________________?
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A. Biosystem

B. Symbiosis

C. Auto environment

D. Climate

809. Now- a -days the hydraulic structures are designed. Keeping in view the flow net, this was given by __________________?
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A. Lane

B. Khosla

C. Blight

D. Darcy

810. The percentage of the volume of water filled in voids to the total volume of solids of soil grains is called__________________?
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A. Degree of compaction

B. Volume of saturation

C. Degree of saturation

D. Void ratio

811. The piles driven in low bearing capacity soil which does not rest on hard rock but bears the coming load due to side resistance is called ________________?
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A. Cost-in situ piles

B. Frictional pile

C. All are correct

D. Load Bearing

812. 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. Semi-impervious soils

B. Alluvial soils

C. Non-alluvial soils

D. Impervious soils

813. When the air in a atmosphere is fully saturated with the vapours present in it, then the pressure exerted by such wet air mass will be called ____________________?
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A. Atmospheric pressure

B. Vapour pressure

C. Partial pressure

D. Saturation pressure
814. Prescribed germination percentage of foundation seed of ground nut is_________________?
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A. 90

B. 85

C. 70

D. 20

815. Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?
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A. non of these

B. seed germination

C. Seed deterioration

D. Seed swelling

816. The season that starts from 1st April and end on 30th September and run for 183 days is called _____________________?
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A. Rabi season

B. Kharif season

C. Rice season

D. Cotton season

817. Water logging and soil salinization is a twin menace which has effected the agriculture sector severely, about _______________ hectares of land are wasted yearly?
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A. 45,000

B. 40,000

C. 30,000

D. 35,000

818. Number of irrigation required for cotton crop are______________?
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A. 5 irrigations

B. 8 irrigations

C. 6 irrigations
819. The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?
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A. Allergy

B. Antagorusm

C. Parasitism

D. Allelopathy
820. Critical factors for crop production is________________?
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A. fertilizer

B. Land

C. Pure seed

D. Water

821. The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?
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A. Scouring sluices

B. Under sluices

C. Sluice gates

D. Head sluices

822. On relative basis, when one soil is eroded as compared to other soil under same conditions, this property is called __________________?
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A. All are correct

B. Erodibility

C. Viscosity

D. Compact ability

823. Recommended method for cotton sowing is________________?
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A. Broad cast method

B. Ridge sowing method

C. Drill method

D. non of these

824. According to Kennedys silt theory , the critical velocity is directly proportional to depth of flow _____________________?
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A. D0.67

B. D0.65

C. D0.66

D. D0.64
825. When FSL of the canal is sufficiently below the bottom of the drain, so that water flows freely under gravity, such structures is called_____________________?
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A. Canal-syphon

B. Super-passage

C. Syphon Aqueduct

D. Syphon

826. Art of making saline water fit for irrigation and drinking through the processes of membrane technique and reverse osmosis is called ___________________?
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A. Water application

B. All are correct

C. Desalinization

D. Water mixing

827. For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy?
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A. 3:1 to 5:1

B. 5:1 to 6

C. 2:1 to 2.5:1

D. 2.5:1 to 3:1

828. 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. Breast wall

B. Divide wall

C. Retaining wall

D. Cantilever wall

829. The ratio of the rate of change of discharge through out let to the rate of c./v of water level of the distributary is called_________________?
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A. Sensitivity

B. Proportionally

C. Flexibility

D. Setting

830. A river which does not change its alignment slope and its regime significantly is called________________?
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A. Aggrading river

B. Deltaic River

C. Degrading river

D. Stable river
831. The groyne pointing upwards direction of flow is called ______________________?
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A. Permeable

B. Repelling

C. Impermeable

D. Attracting

832. Bacillus thuringensis season cotton is a________________?
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A. Fungi

B. non of these

C. Bacteria

D. Virus

833. The most economical central angle of an arch dam is made at ___________________?
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A. 133!

B. 123

C. 153

D. 143

834. An example of monocot fiber yielding plant is_________________?
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A. Crotalaria

B. Corchorus

C. Cocos

D. Clemates

835. The groyne pointing downwards in the direction of flow in fiver is called________________?
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A. Attracting

B. Impermeable

C. Permeable

D. repelling

836. The stability analysis of earth dam founded on cohesion less silt material be made against_____________________?
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A. Turning

B. Shear

C. Sinking

D. Buckling

837. According to Chezys formula, the discharge through an open channel is equal to _________________?
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A. Ac?R.S

B. C (mi) <sup>1/2 </sup>

C. A (cmi)<sup>1/2 </sup>

D. A (c.A/pi) <sup>1/2 </sup>

838. The application of fertilizer nutrients in proportions best suited to the needs of the crop is called_________________?
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A. Balanced fertilization

B. fertilizer placement

C. fertilizer use efficiency

D. Nitrogen use efficiency

839. The ratio of change of discharge of an outlet to the rate of change in level of water surface in distributary at its normal depth is called ____________________?
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A. Durability

B. Flexibility

C. Flow ability

D. Sensitivity
840. A reference point on the ground of accurately known position which is a () point of leveling is called ________________?
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A. Reference point

B. Fixed point

C. Check point

D. Control point
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