Agricultural Mechanization, Farm Power and Implements MCQs 2026

A chisel plough is mainly used for

1. ACleaning combine sieves✓
2. BSpraying pesticides✓
3. CTransplanting nursery seedlings✓
4. DDeep tillage with less soil inversion✓

A leveling blade or land plane is used mainly for

1. ASeparating cream from milk✓
2. BIncreasing seed dormancy✓
3. CSmoothing and leveling the field surface✓
4. DTesting pesticide purity✓

In a sprayer, nozzle type strongly affects

1. ADroplet size and spray pattern✓
2. BTractor engine compression✓
3. CGrain moisture in storage✓
4. DSoil organic carbon only✓

A boom sprayer is preferred for field crops because it

1. AThreshes grain while spraying✓
2. BMeasures soil texture directly✓
3. CCovers a wide and uniform swath✓
4. DPlants seedlings in hills only✓

Combine harvester losses are commonly grouped as header, threshing and

1. ASeparation or cleaning losses✓
2. BRainfall losses only✓
3. CSoil pH losses✓
4. DFertilizer manufacturing losses✓

Effective field capacity of a machine is usually expressed as

1. AKilograms per litre only✓
2. BMillimetres of rainfall✓
3. CSeeds per gram only✓
4. DHectares per hour✓

Theoretical field capacity in hectares per hour is commonly calculated from width in metres and speed in km per hour as

1. AWidth divided by speed multiplied by 100✓
2. BSpeed divided by width only✓
3. CWidth multiplied by speed divided by 10✓
4. DFuel use divided by wheel radius✓

Field efficiency accounts for losses due to turning, overlap and

1. APerfect nonstop work✓
2. BZero machine adjustment✓
3. CNo field boundaries✓
4. DOperational delays✓

Preventive maintenance means

1. ARepairing only after total failure✓
2. BIgnoring lubrication schedules✓
3. COperating without inspection✓
4. DScheduled service before breakdown occurs✓

A rollover protective structure on a tractor is meant to

1. AProtect the operator during overturning✓
2. BIncrease pesticide drift✓
3. CReplace the fuel filter✓
4. DCalibrate seed metering✓

The clutch in a tractor is used to

1. AEngage and disengage engine power to the transmission✓
2. BMeasure grain moisture✓
3. CClean sprayer nozzles automatically✓
4. DStore hydraulic oil only✓

The gearbox in a tractor mainly

1. ASeparates grain from chaff✓
2. BTests seed germination✓
3. CChanges speed and torque✓
4. DControls rainfall intensity✓

A differential in the tractor drive system allows

1. ADrive wheels to rotate at different speeds during turning✓
2. BBoth wheels to lock at all times✓
3. CFuel to bypass the injector✓
4. DSeed to be cleaned by air only✓

A seed-cum-fertilizer drill is designed to

1. AMix pesticide into diesel fuel✓
2. BThresh crop residue✓
3. CPlace seed and fertilizer in proper bands or rows✓
4. DMeasure rainfall depth✓

A belt-and-pulley drive in farm machinery is used to

1. ATransmit rotary motion and power✓
2. BDetermine soil salinity directly✓
3. CStore harvested grain✓
4. DIncrease seed dormancy✓

One major benefit of farm mechanization is

1. APermanent yield loss by design✓
2. BReduced drudgery and timely operations✓
3. CElimination of all skill needs✓
4. DGreater delay in sowing necessarily✓

Agricultural mechanization means the use of tools, machines and power to

1. AEliminate agronomy from farming✓
2. BReplace crop management with guesswork✓
3. CImprove timeliness and efficiency of farm operations✓
4. DIncrease manual drudgery deliberately✓

A common classification of farm power sources includes human, animal, mechanical, electrical and

1. AOnly chemical pesticides✓
2. BRenewable energy sources✓
3. COnly market prices✓
4. DOnly soil texture✓

The power take-off shaft of a tractor is used to

1. ATransmit rotary power to implements✓
2. BMeasure soil pH directly✓
3. CStore seed in the hopper✓
4. DLift water by capillarity only✓

Drawbar horsepower is the power available for

1. ALighting the dashboard only✓
2. BPulling implements at the hitch✓
3. CRunning the radiator fan only✓
4. DMeasuring seed purity✓

Primary tillage is performed mainly to

1. AGrade harvested grain✓
2. BSpray insecticide only✓
3. CMeasure rainfall✓
4. DOpen and loosen the soil initially✓

A mouldboard plough is best known for

1. AThreshing paddy grains✓
2. BApplying pesticide droplets✓
3. CHarvesting cotton bolls✓
4. DCutting and inverting the soil slice✓

A disc plough is preferred over a mouldboard plough where soil is

1. AOnly liquid mud without traction✓
2. BHard, dry, sticky or trashy✓
3. CAlready finely pulverized✓
4. DStored in grain bags✓

A cultivator is commonly used for

1. ASeparating milk cream✓
2. BMeasuring atmospheric humidity✓
3. CIntercultural operation and weed control✓
4. DTesting seed germination in paper✓

The main advantage of a seed drill is that it

1. ABroadcasts seed randomly only✓
2. BThreshes and cleans grain✓
3. CMeasures engine compression✓
4. DPlaces seed at uniform depth and spacing✓

A precision planter is used mainly to

1. AInvert the entire soil profile✓
2. BPlace individual seeds at predetermined spacing✓
3. CSeparate grain from straw✓
4. DPump pesticide into the engine✓

Sprayer calibration is necessary to ensure

1. AMaximum random drift✓
2. BIncorrect nozzle discharge✓
3. CThe correct chemical application rate✓
4. DUnmeasured tank leakage✓

A knapsack sprayer is normally carried

1. ABehind a combine header✓
2. BUnder a tractor axle only✓
3. CInside a grain silo✓
4. DOn the operator's back✓

A combine harvester performs cutting, threshing and

1. ASoil testing✓
2. BCleaning of grain✓
3. CFertilizer manufacturing✓
4. DIrrigation scheduling only✓

The basic function of a thresher is to

1. ALevel a laser beam✓
2. BOpen irrigation canals✓
3. CSeparate grain from the harvested crop✓
4. DMeasure tractor emissions only✓

A rotavator pulverizes soil mainly through

1. ARotating blades or tines✓
2. BStationary concave sieves✓
3. CA rain gauge funnel✓
4. DA diesel injector nozzle only✓

A harrow is commonly used after ploughing to

1. ABreak clods and level the seedbed✓
2. BPick cotton lint from bolls✓
3. CInject fuel into cylinders✓
4. DThresh wheat ears✓

Tractor stability is improved by a low center of gravity and

1. AA higher hitch point only✓
2. BExcessive side slope speed✓
3. CA wider wheel track✓
4. DNo ballast under load✓

The four strokes of a four-stroke diesel engine are suction, compression, power and

1. ASowing✓
2. BThreshing✓
3. CHarvesting✓
4. DExhaust✓

The fuel injection pump in a diesel engine

1. AStores harvested grain✓
2. BMeters and delivers fuel at high pressure✓
3. CControls seed germination✓
4. DMeasures soil compaction only✓

Lubrication in farm machinery is done mainly to

1. AIncrease metal-to-metal contact✓
2. BBlock all bearings✓
3. CReplace cooling water✓
4. DReduce friction, heat and wear✓

The cooling system of a tractor engine removes

1. ASeeds from the hopper✓
2. BExcess heat from the engine✓
3. CGrain from straw✓
4. DSoil from roots only✓

A three-point hitch is used to

1. AMeasure pesticide residues✓
2. BAttach and control mounted implements✓
3. CGrade wheat by protein✓
4. DStore engine oil only✓

The hydraulic system on a tractor is mainly used to

1. AIncrease seed dormancy✓
2. BDry harvested grain in sunlight✓
3. CLift and control implements✓
4. DRecord rainfall automatically✓

Adding proper ballast to a tractor helps to

1. AIncrease fuel leakage✓
2. BReduce wheel slip and improve traction✓
3. CEliminate steering control✓
4. DReduce soil contact completely✓

Wheel slip in tractor operation causes

1. APerfect field efficiency✓
2. BLoss of power and higher fuel consumption✓
3. CZero soil disturbance✓
4. DInstant seed calibration✓

Correct tyre inflation in tractors affects traction and

1. ASoil compaction✓
2. BSeed viability only✓
3. CRainfall depth✓
4. DCrop maturity group✓

A zero-till drill is designed to sow seed

1. AWith minimum soil disturbance✓
2. BOnly after deep puddling✓
3. COnly by hand dibbling✓
4. DAfter burning all residues necessarily✓

Laser land leveling improves irrigation mainly by

1. AIncreasing random field slopes✓
2. BBlocking water entry into furrows✓
3. CReducing field capacity to zero✓
4. DMaking water distribution more uniform✓

A reaper is used primarily to

1. AGrind fertilizer✓
2. BCut standing crop✓
3. CPump irrigation water✓
4. DMeasure nozzle pressure✓

A happy seeder is useful because it can sow wheat

1. AOnly after all residue is burnt✓
2. BOnly in flooded fish ponds✓
3. CInto fields with standing or retained rice residue✓
4. DOnly by aerial broadcasting✓

A rice transplanter is used to

1. APlant rice seedlings at uniform spacing✓
2. BThresh wheat straw✓
3. CSpray orchard trees only✓
4. DGrade cotton lint✓

An axial-flow pump is generally suitable where the requirement is

1. AVery low discharge at very high head only✓
2. BSeed metering in rows✓
3. CGrain threshing✓
4. DHigh discharge at low head✓

A centrifugal pump works by converting rotational energy into

1. ASeed dormancy✓
2. BWater pressure and flow✓
3. CGrain protein✓
4. DSoil pH only✓

A subsoiler is used to

1. ABreak hardpan below normal plough depth✓
2. BClean harvested grain✓
3. CApply foliar spray only✓
4. DMeasure evapotranspiration✓

Tube well mechanization in Pakistan often uses

1. Aonly animal-drawn Persian wheels exclusively now✓
2. Bonly rainfed catchments without pumps✓
3. Conly hand watering cans✓
4. Delectric or diesel engines to lift groundwater✓

Mechanization can increase cropping intensity by

1. Aalways reducing number of crops per year✓
2. Bspeeding operations and enabling timely sowing/harvest✓
3. Celiminating irrigation need✓
4. Dbanning fertilizers✓

A major constraint to small-farm mechanization is

1. Aexcess free tractors for every acre✓
2. Bzero custom hiring demand✓
3. Cabsence of any wheat crop✓
4. Dhigh capital cost and fragmented holdings✓

Custom hiring centers / service providers help by

1. Abanning all shared equipment✓
2. Bincreasing idle tractor time as policy✓
3. Crenting machines to farmers who cannot own them✓
4. Dremoving skilled operators✓

Multi-crop threshers are popular in Pakistan for

1. Aonly pruning mango✓
2. Bonly laser leveling✓
3. Conly drip tape laying✓
4. Dthreshing wheat and other crops with less labor✓

Mechanized sowing improves yields mainly through

1. Aadding mystical soil energy✓
2. Beliminating all weeds forever without herbicides✓
3. Cstopping photosynthesis losses entirely✓
4. Dtimely and uniform crop establishment✓

Government tractor schemes historically aimed to

1. Areplace all crops with machines as food✓
2. Bban custom hiring✓
3. Celiminate tubewells✓
4. Dexpand farm power availability for small and medium farmers✓

Hitch categories (e.g., three-point hitch) standardize

1. Aseed variety names✓
2. Bpesticide WHO classes✓
3. Cattachment of implements to tractors✓
4. Dlivestock breed registries✓

The rotavator's fine tilth can sometimes cause

1. Adeeper hardpans automatically healing✓
2. Bincreased earthworm counts always✓
3. Czero need for irrigation forever✓
4. Dfaster moisture loss and soil structure concerns if overused✓

Animal-drawn implements still matter where

1. Aonly corporate mega-farms exist✓
2. Belectricity is unlimited and free✓
3. Choldings are small and capital for tractors is limited✓
4. Dcombines are mandatory by law✓

Energy efficiency in mechanization improves when farmers

1. Arun engines with clogged filters always✓
2. Bplough the same field ten extra times✓
3. Cignore tyre pressure✓
4. Dmaintain engines, avoid unnecessary passes and match loads✓

Front-end loaders on tractors help with

1. Athreshing basmati✓
2. Bloading manure, soil and farm materials✓
3. Ccalibrating boom nozzles✓
4. DAI of cattle✓

Balers package

1. Awet concrete✓
2. Bstraw or hay into compact bales for handling and storage✓
3. Clive fish✓
4. Dpesticide concentrate drums✓

Rice transplanters are used to

1. Aharvest wheat with cutters✓
2. Bspray orchards✓
3. Cplace rice seedlings in puddled fields at set spacing✓
4. Dlevel deserts with lasers only✓

A potato planter/digger mechanizes

1. Aplanting and harvesting of potato tubers✓
2. Bcotton ginning✓
3. Crice puddling only✓
4. Ddate pollination✓

Precision agriculture machinery may use

1. AGPS guidance and variable-rate applicators✓
2. Bonly wooden ploughs✓
3. Conly animal yokes✓
4. Donly hand dibblers✓

Safety in mechanization requires

1. Aremoving all shields for convenience✓
2. Bguards on PTO, trained operators and safe hitching✓
3. Cchildren riding drawbars routinely✓
4. Drefueling on hot engines casually✓

Wheel ballast and correct tyre pressure improve

1. Aseed germination chemistry✓
2. Bpesticide mode of action✓
3. Ctraction and reduce slippage/soil compaction issues✓
4. Dmilk yield of Sahiwal✓

Matching implement size to tractor power prevents

1. Aoverload, poor work quality and excessive fuel use✓
2. Ball soil erosion forever✓
3. Cneed for any operator skill✓
4. Dtyre inflation checks✓

Appropriate mechanization means choosing machines that

1. Afit farm size, crops, labor and economics of the area✓
2. Bare always the largest combine available✓
3. Cignore operator training✓
4. Dmaximize soil compaction✓

Laser land leveling improves

1. Atractor fuel octane✓
2. Bseed protein overnight✓
3. Cirrigation uniformity and water use efficiency✓
4. Dpest resistance genes✓

Agricultural mechanization means

1. Aonly hand tools with zero engines✓
2. Busing machines and power to perform farm operations✓
3. Conly livestock grazing without implements✓
4. Donly software without field machines✓

A tractor's main role on Pakistani farms is to

1. Areplace irrigation water entirely✓
2. Bprovide mobile power for tillage, transport and PTO implements✓
3. Cfix nitrogen fertilizer✓
4. Dpollinate fruit trees✓

PTO on a tractor stands for

1. APlough Tillage Only✓
2. BPump Transfer Outlet✓
3. CPneumatic Tyre Option✓
4. DPower Take-Off✓

A mouldboard plough is primarily used for

1. Aprimary tillage to invert soil✓
2. Bharvesting wheat heads✓
3. Cspraying insecticides✓
4. Dmilking dairy cows✓

A disc plough is often preferred in

1. Aonly puddled rice with zero discs✓
2. Bonly orchard pruning✓
3. Chard, sticky or trashy soils where MB ploughs struggle✓
4. Donly fish pond aeration✓

A cultivator is generally used for

1. Adeep primary inversion like a subsoiler always✓
2. Bcombine harvesting✓
3. Ccotton ginning✓
4. Dsecondary tillage and interculture to loosen soil and control weeds✓

A rotavator (rotary tiller) prepares seedbeds by

1. Arotating tines that pulverize soil✓
2. Bonly cutting mature cane✓
3. Conly baling straw✓
4. Donly grading fruit✓

A seed drill is designed to

1. Abroadcast fertilizer by aircraft only✓
2. Bplace seed at uniform depth and spacing with soil cover✓
3. Cspray herbicides only✓
4. Ddig tubewells✓

Zero-till drills help conservation agriculture by

1. Arequiring deep ploughing every pass✓
2. Bsowing into untilled or minimally tilled residue-covered soil✓
3. Cburning all residues first always✓
4. Dflooding fields before every sowing✓

A fertilizer broadcaster distributes

1. Aonly liquid pesticides through nozzles✓
2. Bonly wheat grain into bags✓
3. Cgranular fertilizer over the field surface✓
4. Donly canal water✓

Boom sprayers are used to

1. Aplough hard pans✓
2. Bapply pesticides or liquid fertilizers uniformly✓
3. Cthresh wheat✓
4. Dchisel subsoil only✓

Calibration of a sprayer ensures

1. Arandom dose every pass✓
2. Bcorrect application rate per hectare✓
3. Cblocked nozzles as a goal✓
4. Dzero agitation in the tank always✓

A combine harvester performs

1. Areaping, threshing and cleaning of grain in one machine✓
2. Bonly ploughing✓
3. Conly transplanting rice✓
4. Donly drip irrigation✓

A reaper is mainly used to

1. Acut and windrow cereal crops✓
2. Bdeep rip soil pans✓
3. Cgin cotton lint✓
4. Dgrade mangoes✓

Threshers separate

1. Asoil layers by colour✓
2. Bfish from water✓
3. Cgrain from straw and chaff✓
4. Dmilk fat from cream only✓

A chisel plough / subsoiler is intended to

1. Ainvert the entire topsoil like MB plough always✓
2. Bharvest potatoes✓
3. Cbreak compacted hardpans with minimal inversion✓
4. Dspray orchards✓

Inter-row cultivators help to

1. Aharvest fruit trees✓
2. Bapply only granular urea by air✓
3. Cdig tubewell bores✓
4. Dcontrol weeds between crop rows✓

Trailer and trolley implements are important for

1. Aon-farm transport of inputs and produce✓
2. Bphotosynthesis measurement✓
3. Csoil texture analysis✓
4. Dvirus indexing✓

A ridger is used to

1. Aform ridges and furrows for crops like cotton and maize✓
2. Bbale wheat straw✓
3. Cmilk buffaloes✓
4. Daerate fish ponds✓