Agricultural Mechanization, Farm Power and Implements MCQs 2026

A chisel plough is mainly used for

1. A Cleaning combine sieves ✓
2. B Spraying pesticides ✓
3. C Transplanting nursery seedlings ✓
4. D Deep tillage with less soil inversion ✓

A leveling blade or land plane is used mainly for

1. A Separating cream from milk ✓
2. B Increasing seed dormancy ✓
3. C Smoothing and leveling the field surface ✓
4. D Testing pesticide purity ✓

In a sprayer, nozzle type strongly affects

1. A Droplet size and spray pattern ✓
2. B Tractor engine compression ✓
3. C Grain moisture in storage ✓
4. D Soil organic carbon only ✓

A boom sprayer is preferred for field crops because it

1. A Threshes grain while spraying ✓
2. B Measures soil texture directly ✓
3. C Covers a wide and uniform swath ✓
4. D Plants seedlings in hills only ✓

Combine harvester losses are commonly grouped as header, threshing and

1. A Separation or cleaning losses ✓
2. B Rainfall losses only ✓
3. C Soil pH losses ✓
4. D Fertilizer manufacturing losses ✓

Effective field capacity of a machine is usually expressed as

1. A Kilograms per litre only ✓
2. B Millimetres of rainfall ✓
3. C Seeds per gram only ✓
4. D Hectares per hour ✓

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

1. A Width divided by speed multiplied by 100 ✓
2. B Speed divided by width only ✓
3. C Width multiplied by speed divided by 10 ✓
4. D Fuel use divided by wheel radius ✓

Field efficiency accounts for losses due to turning, overlap and

1. A Perfect nonstop work ✓
2. B Zero machine adjustment ✓
3. C No field boundaries ✓
4. D Operational delays ✓

Preventive maintenance means

1. A Repairing only after total failure ✓
2. B Ignoring lubrication schedules ✓
3. C Operating without inspection ✓
4. D Scheduled service before breakdown occurs ✓

A rollover protective structure on a tractor is meant to

1. A Protect the operator during overturning ✓
2. B Increase pesticide drift ✓
3. C Replace the fuel filter ✓
4. D Calibrate seed metering ✓

The clutch in a tractor is used to

1. A Engage and disengage engine power to the transmission ✓
2. B Measure grain moisture ✓
3. C Clean sprayer nozzles automatically ✓
4. D Store hydraulic oil only ✓

The gearbox in a tractor mainly

1. A Separates grain from chaff ✓
2. B Tests seed germination ✓
3. C Changes speed and torque ✓
4. D Controls rainfall intensity ✓

A differential in the tractor drive system allows

1. A Drive wheels to rotate at different speeds during turning ✓
2. B Both wheels to lock at all times ✓
3. C Fuel to bypass the injector ✓
4. D Seed to be cleaned by air only ✓

A seed-cum-fertilizer drill is designed to

1. A Mix pesticide into diesel fuel ✓
2. B Thresh crop residue ✓
3. C Place seed and fertilizer in proper bands or rows ✓
4. D Measure rainfall depth ✓

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

1. A Transmit rotary motion and power ✓
2. B Determine soil salinity directly ✓
3. C Store harvested grain ✓
4. D Increase seed dormancy ✓

One major benefit of farm mechanization is

1. A Permanent yield loss by design ✓
2. B Reduced drudgery and timely operations ✓
3. C Elimination of all skill needs ✓
4. D Greater delay in sowing necessarily ✓

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

1. A Eliminate agronomy from farming ✓
2. B Replace crop management with guesswork ✓
3. C Improve timeliness and efficiency of farm operations ✓
4. D Increase manual drudgery deliberately ✓

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

1. A Only chemical pesticides ✓
2. B Renewable energy sources ✓
3. C Only market prices ✓
4. D Only soil texture ✓

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

1. A Transmit rotary power to implements ✓
2. B Measure soil pH directly ✓
3. C Store seed in the hopper ✓
4. D Lift water by capillarity only ✓

Drawbar horsepower is the power available for

1. A Lighting the dashboard only ✓
2. B Pulling implements at the hitch ✓
3. C Running the radiator fan only ✓
4. D Measuring seed purity ✓

Primary tillage is performed mainly to

1. A Grade harvested grain ✓
2. B Spray insecticide only ✓
3. C Measure rainfall ✓
4. D Open and loosen the soil initially ✓

A mouldboard plough is best known for

1. A Threshing paddy grains ✓
2. B Applying pesticide droplets ✓
3. C Harvesting cotton bolls ✓
4. D Cutting and inverting the soil slice ✓

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

1. A Only liquid mud without traction ✓
2. B Hard, dry, sticky or trashy ✓
3. C Already finely pulverized ✓
4. D Stored in grain bags ✓

A cultivator is commonly used for

1. A Separating milk cream ✓
2. B Measuring atmospheric humidity ✓
3. C Intercultural operation and weed control ✓
4. D Testing seed germination in paper ✓

The main advantage of a seed drill is that it

1. A Broadcasts seed randomly only ✓
2. B Threshes and cleans grain ✓
3. C Measures engine compression ✓
4. D Places seed at uniform depth and spacing ✓

A precision planter is used mainly to

1. A Invert the entire soil profile ✓
2. B Place individual seeds at predetermined spacing ✓
3. C Separate grain from straw ✓
4. D Pump pesticide into the engine ✓

Sprayer calibration is necessary to ensure

1. A Maximum random drift ✓
2. B Incorrect nozzle discharge ✓
3. C The correct chemical application rate ✓
4. D Unmeasured tank leakage ✓

A knapsack sprayer is normally carried

1. A Behind a combine header ✓
2. B Under a tractor axle only ✓
3. C Inside a grain silo ✓
4. D On the operator's back ✓

A combine harvester performs cutting, threshing and

1. A Soil testing ✓
2. B Cleaning of grain ✓
3. C Fertilizer manufacturing ✓
4. D Irrigation scheduling only ✓

The basic function of a thresher is to

1. A Level a laser beam ✓
2. B Open irrigation canals ✓
3. C Separate grain from the harvested crop ✓
4. D Measure tractor emissions only ✓

A rotavator pulverizes soil mainly through

1. A Rotating blades or tines ✓
2. B Stationary concave sieves ✓
3. C A rain gauge funnel ✓
4. D A diesel injector nozzle only ✓

A harrow is commonly used after ploughing to

1. A Break clods and level the seedbed ✓
2. B Pick cotton lint from bolls ✓
3. C Inject fuel into cylinders ✓
4. D Thresh wheat ears ✓

Tractor stability is improved by a low center of gravity and

1. A A higher hitch point only ✓
2. B Excessive side slope speed ✓
3. C A wider wheel track ✓
4. D No ballast under load ✓

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

1. A Sowing ✓
2. B Threshing ✓
3. C Harvesting ✓
4. D Exhaust ✓

The fuel injection pump in a diesel engine

1. A Stores harvested grain ✓
2. B Meters and delivers fuel at high pressure ✓
3. C Controls seed germination ✓
4. D Measures soil compaction only ✓

Lubrication in farm machinery is done mainly to

1. A Increase metal-to-metal contact ✓
2. B Block all bearings ✓
3. C Replace cooling water ✓
4. D Reduce friction, heat and wear ✓

The cooling system of a tractor engine removes

1. A Seeds from the hopper ✓
2. B Excess heat from the engine ✓
3. C Grain from straw ✓
4. D Soil from roots only ✓

A three-point hitch is used to

1. A Measure pesticide residues ✓
2. B Attach and control mounted implements ✓
3. C Grade wheat by protein ✓
4. D Store engine oil only ✓

The hydraulic system on a tractor is mainly used to

1. A Increase seed dormancy ✓
2. B Dry harvested grain in sunlight ✓
3. C Lift and control implements ✓
4. D Record rainfall automatically ✓

Adding proper ballast to a tractor helps to

1. A Increase fuel leakage ✓
2. B Reduce wheel slip and improve traction ✓
3. C Eliminate steering control ✓
4. D Reduce soil contact completely ✓

Wheel slip in tractor operation causes

1. A Perfect field efficiency ✓
2. B Loss of power and higher fuel consumption ✓
3. C Zero soil disturbance ✓
4. D Instant seed calibration ✓

Correct tyre inflation in tractors affects traction and

1. A Soil compaction ✓
2. B Seed viability only ✓
3. C Rainfall depth ✓
4. D Crop maturity group ✓

A zero-till drill is designed to sow seed

1. A With minimum soil disturbance ✓
2. B Only after deep puddling ✓
3. C Only by hand dibbling ✓
4. D After burning all residues necessarily ✓

Laser land leveling improves irrigation mainly by

1. A Increasing random field slopes ✓
2. B Blocking water entry into furrows ✓
3. C Reducing field capacity to zero ✓
4. D Making water distribution more uniform ✓

A reaper is used primarily to

1. A Grind fertilizer ✓
2. B Cut standing crop ✓
3. C Pump irrigation water ✓
4. D Measure nozzle pressure ✓

A happy seeder is useful because it can sow wheat

1. A Only after all residue is burnt ✓
2. B Only in flooded fish ponds ✓
3. C Into fields with standing or retained rice residue ✓
4. D Only by aerial broadcasting ✓

A rice transplanter is used to

1. A Plant rice seedlings at uniform spacing ✓
2. B Thresh wheat straw ✓
3. C Spray orchard trees only ✓
4. D Grade cotton lint ✓

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

1. A Very low discharge at very high head only ✓
2. B Seed metering in rows ✓
3. C Grain threshing ✓
4. D High discharge at low head ✓

A centrifugal pump works by converting rotational energy into

1. A Seed dormancy ✓
2. B Water pressure and flow ✓
3. C Grain protein ✓
4. D Soil pH only ✓

A subsoiler is used to

1. A Break hardpan below normal plough depth ✓
2. B Clean harvested grain ✓
3. C Apply foliar spray only ✓
4. D Measure evapotranspiration ✓

Tube well mechanization in Pakistan often uses

1. A only animal-drawn Persian wheels exclusively now ✓
2. B only rainfed catchments without pumps ✓
3. C only hand watering cans ✓
4. D electric or diesel engines to lift groundwater ✓

Mechanization can increase cropping intensity by

1. A always reducing number of crops per year ✓
2. B speeding operations and enabling timely sowing/harvest ✓
3. C eliminating irrigation need ✓
4. D banning fertilizers ✓

A major constraint to small-farm mechanization is

1. A excess free tractors for every acre ✓
2. B zero custom hiring demand ✓
3. C absence of any wheat crop ✓
4. D high capital cost and fragmented holdings ✓

Custom hiring centers / service providers help by

1. A banning all shared equipment ✓
2. B increasing idle tractor time as policy ✓
3. C renting machines to farmers who cannot own them ✓
4. D removing skilled operators ✓

Multi-crop threshers are popular in Pakistan for

1. A only pruning mango ✓
2. B only laser leveling ✓
3. C only drip tape laying ✓
4. D threshing wheat and other crops with less labor ✓

Mechanized sowing improves yields mainly through

1. A adding mystical soil energy ✓
2. B eliminating all weeds forever without herbicides ✓
3. C stopping photosynthesis losses entirely ✓
4. D timely and uniform crop establishment ✓

Government tractor schemes historically aimed to

1. A replace all crops with machines as food ✓
2. B ban custom hiring ✓
3. C eliminate tubewells ✓
4. D expand farm power availability for small and medium farmers ✓

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

1. A seed variety names ✓
2. B pesticide WHO classes ✓
3. C attachment of implements to tractors ✓
4. D livestock breed registries ✓

The rotavator's fine tilth can sometimes cause

1. A deeper hardpans automatically healing ✓
2. B increased earthworm counts always ✓
3. C zero need for irrigation forever ✓
4. D faster moisture loss and soil structure concerns if overused ✓

Animal-drawn implements still matter where

1. A only corporate mega-farms exist ✓
2. B electricity is unlimited and free ✓
3. C holdings are small and capital for tractors is limited ✓
4. D combines are mandatory by law ✓

Energy efficiency in mechanization improves when farmers

1. A run engines with clogged filters always ✓
2. B plough the same field ten extra times ✓
3. C ignore tyre pressure ✓
4. D maintain engines, avoid unnecessary passes and match loads ✓

Front-end loaders on tractors help with

1. A threshing basmati ✓
2. B loading manure, soil and farm materials ✓
3. C calibrating boom nozzles ✓
4. D AI of cattle ✓

Balers package

1. A wet concrete ✓
2. B straw or hay into compact bales for handling and storage ✓
3. C live fish ✓
4. D pesticide concentrate drums ✓

Rice transplanters are used to

1. A harvest wheat with cutters ✓
2. B spray orchards ✓
3. C place rice seedlings in puddled fields at set spacing ✓
4. D level deserts with lasers only ✓

A potato planter/digger mechanizes

1. A planting and harvesting of potato tubers ✓
2. B cotton ginning ✓
3. C rice puddling only ✓
4. D date pollination ✓

Precision agriculture machinery may use

1. A GPS guidance and variable-rate applicators ✓
2. B only wooden ploughs ✓
3. C only animal yokes ✓
4. D only hand dibblers ✓

Safety in mechanization requires

1. A removing all shields for convenience ✓
2. B guards on PTO, trained operators and safe hitching ✓
3. C children riding drawbars routinely ✓
4. D refueling on hot engines casually ✓

Wheel ballast and correct tyre pressure improve

1. A seed germination chemistry ✓
2. B pesticide mode of action ✓
3. C traction and reduce slippage/soil compaction issues ✓
4. D milk yield of Sahiwal ✓

Matching implement size to tractor power prevents

1. A overload, poor work quality and excessive fuel use ✓
2. B all soil erosion forever ✓
3. C need for any operator skill ✓
4. D tyre inflation checks ✓

Appropriate mechanization means choosing machines that

1. A fit farm size, crops, labor and economics of the area ✓
2. B are always the largest combine available ✓
3. C ignore operator training ✓
4. D maximize soil compaction ✓

Laser land leveling improves

1. A tractor fuel octane ✓
2. B seed protein overnight ✓
3. C irrigation uniformity and water use efficiency ✓
4. D pest resistance genes ✓

Agricultural mechanization means

1. A only hand tools with zero engines ✓
2. B using machines and power to perform farm operations ✓
3. C only livestock grazing without implements ✓
4. D only software without field machines ✓

A tractor's main role on Pakistani farms is to

1. A replace irrigation water entirely ✓
2. B provide mobile power for tillage, transport and PTO implements ✓
3. C fix nitrogen fertilizer ✓
4. D pollinate fruit trees ✓

PTO on a tractor stands for

1. A Plough Tillage Only ✓
2. B Pump Transfer Outlet ✓
3. C Pneumatic Tyre Option ✓
4. D Power Take-Off ✓

A mouldboard plough is primarily used for

1. A primary tillage to invert soil ✓
2. B harvesting wheat heads ✓
3. C spraying insecticides ✓
4. D milking dairy cows ✓

A disc plough is often preferred in

1. A only puddled rice with zero discs ✓
2. B only orchard pruning ✓
3. C hard, sticky or trashy soils where MB ploughs struggle ✓
4. D only fish pond aeration ✓

A cultivator is generally used for

1. A deep primary inversion like a subsoiler always ✓
2. B combine harvesting ✓
3. C cotton ginning ✓
4. D secondary tillage and interculture to loosen soil and control weeds ✓

A rotavator (rotary tiller) prepares seedbeds by

1. A rotating tines that pulverize soil ✓
2. B only cutting mature cane ✓
3. C only baling straw ✓
4. D only grading fruit ✓

A seed drill is designed to

1. A broadcast fertilizer by aircraft only ✓
2. B place seed at uniform depth and spacing with soil cover ✓
3. C spray herbicides only ✓
4. D dig tubewells ✓

Zero-till drills help conservation agriculture by

1. A requiring deep ploughing every pass ✓
2. B sowing into untilled or minimally tilled residue-covered soil ✓
3. C burning all residues first always ✓
4. D flooding fields before every sowing ✓

A fertilizer broadcaster distributes

1. A only liquid pesticides through nozzles ✓
2. B only wheat grain into bags ✓
3. C granular fertilizer over the field surface ✓
4. D only canal water ✓

Boom sprayers are used to

1. A plough hard pans ✓
2. B apply pesticides or liquid fertilizers uniformly ✓
3. C thresh wheat ✓
4. D chisel subsoil only ✓

Calibration of a sprayer ensures

1. A random dose every pass ✓
2. B correct application rate per hectare ✓
3. C blocked nozzles as a goal ✓
4. D zero agitation in the tank always ✓

A combine harvester performs

1. A reaping, threshing and cleaning of grain in one machine ✓
2. B only ploughing ✓
3. C only transplanting rice ✓
4. D only drip irrigation ✓

A reaper is mainly used to

1. A cut and windrow cereal crops ✓
2. B deep rip soil pans ✓
3. C gin cotton lint ✓
4. D grade mangoes ✓

Threshers separate

1. A soil layers by colour ✓
2. B fish from water ✓
3. C grain from straw and chaff ✓
4. D milk fat from cream only ✓

A chisel plough / subsoiler is intended to

1. A invert the entire topsoil like MB plough always ✓
2. B harvest potatoes ✓
3. C break compacted hardpans with minimal inversion ✓
4. D spray orchards ✓

Inter-row cultivators help to

1. A harvest fruit trees ✓
2. B apply only granular urea by air ✓
3. C dig tubewell bores ✓
4. D control weeds between crop rows ✓

Trailer and trolley implements are important for

1. A on-farm transport of inputs and produce ✓
2. B photosynthesis measurement ✓
3. C soil texture analysis ✓
4. D virus indexing ✓

A ridger is used to

1. A form ridges and furrows for crops like cotton and maize ✓
2. B bale wheat straw ✓
3. C milk buffaloes ✓
4. D aerate fish ponds ✓