高飼料檢驗化驗員試卷附答案(Highfeedtestlaboratorystaff

attachedtotheanswer)

Mattersneedingattention

1,examinationtime:120minutes.

2.Firstofall,pleasefillinyourname,ticketnumberand

thenameoftheunitintheenclosedformofthetestpaper.

3.Pleasereadthequestionsandanswerscarefully.Fillinyour

answersintheprescribedplaces.

4,don，twriteonthepaperdrawing,donotfillinrelated

contentinstandardsealarea.

Questionnumberoneortwototalscoretotalperson

Score

Score

Raters

First,individualchoice(firstquestions?eightieth

questions).Chooseacorrectanswerandputthecorresponding

lettersintothebracketsinthequestions.1pointspergame,

80points.)

Requiresahighoccupationmoralstateoccupationstandard1.

“feedtestinglaboratorytechnician“tofeedtesting

laboratorytechnician,theoccupationcodeis:(a),adhereto

theprincipleofseekingtruthfromfacts,studyingbusiness,

solidarityandcooperation,implementationprocedures,pay

attentiontosafety.

A,gotoworkontime,B,abidebydiscipline

C,law-abiding,loveanddedication,D,lovework

2.,theso-calledlaw-abiding,referstoeachemployeemust

complywiththelawanddiscipline,inparticular,complywith

professionalactivitiesrelatedlawsandregulationsand

professionaldiscipline.Thespecificrequirementsofeach

laboratorytechnicianaretodo(),use,andcomplywith

enterprisedisciplineandnorms.

A,B,C,knowingthelawabidingbyDandA,

3.,thetreatmentofoccupationandpost,()isnotrequired

bydedication.

A,setupprofessionalideals,B,dooneline,loveoneline,

exclusiveline

C,complywithenterpriserulesandregulations,D,ajobfor

life,notdiverted

4.,“Regulations"stipulates:()announcedthenewfeed,new

feedadditivesqualitystandardsforindustrystandards;

nationalstandardsneedtobeformulatedinaccordancewiththe

relevantprovisionsofthestandardizationlaw.

A,localpeople,sgovernmentsatorabovethecountylevel,B,

productionenterprises

C,theadministrativedepartmentofagricultureundertheState

Council,DandWHO

5.ofthe"Regulations“provisions:thebusinessisnot

attachedtoacertificateofproductqualityandproductlabels

andnoproductionlicense,approvalnumber,productquality

standardsoffeed,feedadditives,feedbytheadministrative

departmentsofthelocalpeople,sgovernmentsatorabovethe

countylevelshallbeorderedtostopoperation,(),canbe5

timesoftheillegalgains.

A,confiscateillegalproductsandillegalincome,Band

confiscateillegalproductsonly

C,confiscateillegalincomeonlyD,confiscateallfloating

capitalandworkshop

6.ofthe"Regulations“provisions:addinanimalfeedor

drinkingwater()regulationsandtheStateCouncil

administrativedepartmentofagricultureoftheother

prohibiteddrugs,thefeedadministrativedepartmentofthe

localpeople,sgovernmentsatorabovethecountylevelshall

confiscatetheillegaldrugs,mayimposea10thousandyuanfine

ofnotlessthan50thousandyuan.

A,antibiotics,B,hormonedrugs

C,vitamindrugs,D,antiviraldrugs

7.ofthe"Regulations"inthefollowingsituationsshal1be

investigatedforcriminalresponsibilityaccordingtolawor

thefeedadministrativedepartmentofthelocalpeople's

governmentsatorabovethecountylevelshal1beorderedto

stopproductionorbusinessoperations,confiscatetheillegal

productionandoperationofproductsandillegalincome,and

imposemorethan1timestheillegalincome5timesthefine;

0.

A,productionandmanagementofotherprovinceshaveregistered

forapprovaloffeed,feedadditives

Boperatesimportedfeedandfeedadditivesregistered

C,ourfactory'sfeedandfeedadditive

D,theproduction,operationdoesnotmeettheproductquality

standardsoffeed,feedadditives

8.whenusingthe751spectrophotometer,whenthetransmittance

ofthesampleislessthan10%,theswitchcanbeplacedinthe

positionof"x0.1"toobtainamoreaccuratevalue,andthe

transmittancevalueshouldberead.

A,multipliedby10B,dividedby10C,multipliedby0.5D,

dividedby0.5

Nine

Alsoknownasatomicabsorptionspectrometry,itisbasedon

themeasuredelementsincertainconditionsformedbythe

groundstate,atomicvapor,theabsorptionofits

characteristic1inesofquantitativeanalysismethod.

A,atomicemissionspectrometry,Bandatomicabsorption

spectrometry

C,molecularabsorptionspectrometry,Dandatomic

fluorescencespectrometry

10.highperformanceliquidchromatography(HPLC)hasthe

characteristicsofhighspeed,highefficiencyandhigh

sensitivity.

A,highpressureB,highconsumptionC,lowpressureD,no

pressure

Twoelectrodesimmersedin11.pHmeterwasstudied,the

concentrationofhydrogenions()thesizeofthesolutionis

directlyrelatedto,whichhaveadirectrelationshipwithpH.

A,electromotiveforceB,resistanceC,voltageD,

electromagneticfield

12.theuseofcalomelelectrode,mustputthesmallrubberplug

pullpotassiumchloridetotheentrance,thereisenough)

(capillarypressuredifference,whichisasmallamountof

potassiumchloridesolutionfromacapillaryflow,toensure

accuratedetermination.

A,lowercapillaryBanduppercapillary

C,theupperpotassiumchlorideisaddedtothemouthD,the

wholeelectrode

13.absolutedeviationsand()aredeviationsfromthemeanof

ameasurement.

A,errorB,relativedeviationC,relativeerrorD,absolute

error

14.systemerrorcanbecorrectedbymeansof(),blanktest,

correctioninstrumentandsoon.

A,controlledtrial,B,titrationtest,C,multipleparallel

determinationofD,andtwoparalleldeterminations

15.nonproteinnitrogenreferstononproteincontaining

compounds.

A,nitrogen,B,hydrogen,C,oxygen,D,carbon

16.theprovisionsonthegrainsize,impuritycontent,and(etc)

offeedrawmaterialsorfeedproductsarecalledprocessing

qualityindexes.

A,nutrientcontentB,contentC,componentD,mixing

uniformity

17.cleaningoffeedprinciple,(measurement),mixingand

formingofproductsareseveralmainprocessesintheprocess

offeedproduction.

A,crushingB,packagingdesign,C,formuladesign,D,purchase

channels

(18.)inthepremix,manuallyaddfeedadd,notshangcang.

A,soybeanmeal,B,wheatbran,C,salt,D,corn

19.intheproductionofmixedfeed,themixingprocessshould

beoperatedcorrectly.Inthefeedorder,shouldbealarge

proportionofcomponentsintothefirstormostofthemachine,

thenasmallamountortracecomponentsplacedineasyto

disperse,toensure().

A,mixingorderB,feedingorderC,mixingqualityD,crushing

quality

20.determinationofcrudeprotein,calciumandtotal

phosphorusinfeed,crudeproteinwasdeterminedby().

A,Kjeldahlnitrogendetermination,B,spectrophotometry,C,

redoxtitration,Dandprecipitationmethod

21.sulfuricacidseleniumcatalyticdigestionmethodforrapid

determinationofcrudeprotein,calcium,totalphosphorusin

thefeed,thesamplepluscatalystandsulfuricacid,should

beheatedinthefurnaceto(),andthenraisedto360~410

degrees.

WhenA,boilingB,foamdisappeared,C,steameddriedDandfoam

22.,theaveragecoefficientoftotalnitrogentoproteinwas

calculated.

A,0.625B,625C,62.5D,6.25

23.potentialbychlorideionselectiveelectrodeinthe

solutionandtheconcentrationofchlorideioninsolution()

thelinearrelationshipbetweentheelectrodes,activityof

chlorideionwasneistresponsetorapiddeterminationofwater

solublechloridecontentinfeed.

A,concentrationvalueB,squarevalueC,oppositionnumerical

valueDandnumericalvalue

24.usingchlorideionselectiveelectrodetodeterminethe

water-solublechloridecontentinthefeed,selectabuffer

solutiontocontrolthesolution(),andeliminatetheimpact

ofinterferenceelements.

A,totalionicstrength,B,pH,C,temperature,D,volume

25.takefeedadditivevitaminErightamount(aboutequalto

15mgvitaminE),add()10mldissolve,addnitricacid2mlto

shake,()heat15min,thesolutionisred.

A,75,B,175,C,200,D,105

26.feedadditivevitamin----D,theappearanceofcalcium

pantothenateis()powder.

A,lightredB,whiteC,greenD,lightgreen

27.feedadditiveniacinshouldbewhitetoslightlyyellow

crystallinepowder,aqueoussolutionsignificantly().

A,acidreaction,B,alkalinereaction,C,neutralreaction,

D,precipitationreaction

28.,thestateapprovedcholinechloridewateragentsare

usually(and)75%andtwokindsofspecifications.

A,100%B,70%C,99%D,90%

29.feedgrademethionine,1%water-solublepH,5.6to().

A,7B,7.5C,6.1D,8

30.feedlevelDL-methioninedetermination:intheneutral

mediumaccuratelyaddingexcessiodinesolution,acidingtwo

iodineatomstomethioninesulfuratoms,excessiodinesolution

with()dropback.

A,iodinestandardtitrationsolutionB,standardtitration

solutionofhydrochloricacid

C,sodiumthiosulfatestandardtitrationsolutionD,sodium

hydroxidestandardtitrationsolution

31.determinethecontentofmethionineinfeedgradeDL-,and

selectthecorrecttitrant.

A,hydrochloricacidstandardtitrationsolutionB,perchloric

acidstandardtitrationsolution

C,sodiumhydroxidestandardtitrationsolutionD,sodium

thiosulfatestandardtitrationsolution

32.indryashing,thesampleshouldbeincineratedathigh

temperaturefor550DEG3.5-4(H).Thentakeoutthecooling,

slowlyaddhydrochloricacidsolution,aftertheintense

reaction,boilandtransfertothe50mlcapacitybottletobe

measured.

A,electricfurnaceB,hightemperaturefurnaceC,ovenD,water

bathpot

33.silversaltmethod,mixedaciddigestionmethodissuitable

fortreatmentwithasinglefeedandfeedplant,commonlyused

(digestion).

A,nitricacidsulfuricacidperchloricacidB,aceticacid

hydrochloricacidboricacid

C,aceticacidhydrochloricacidperchloricacidD,nitricacid

sulfuricacidboricacid

34.thearsenicinthesampleisreducedtoarsineandabsorbed

intheclosedsolutionofchloroformsolution(Ag-DDTC)to

formayelloworbrownishredsilversol.Thecolorofsilver

solisdirectlyproportionaltothecontentofarsenic,andis

measuredby()colorimetric.

A,sodiumcolorimetrictube,B,spectrophotometer,C,TLC

scanner,D,XuanGuangyi

35.dryashingdeterminationinfeedsamples,after550degrees

hightemperatureashing,(in)underacidicconditionsto

dissolvetheresidue,sizing,sedimentation,filtrationand

madethesamplesolutionbyatomicabsorptionspectrometer,

measuringtheabsorptionat283.3nm,andthenaquantitative

comparisonwiththestandardseries.

A,alkalinecondition,B,acidcondition,C,neutralcondition,

Dandalkalescencecondition

36.infeedleaddetermination,thestandardsolutionshould

bemeasuredfirst,theabsorbanceasordinate,and(as)

abscissa,standarddrawingorlinearregressionequation

shouldbedrawnonthecoordinatepaper.

A,absorbance,B,concentration,C,concentrationofthevalue

ofD,DilutionTimes

37.inthedeterminationofmercurycontentinthefeed,after

heatingreflux,applyproperamountofwater(lotion)intothe

digestivejuice.

A,rinsethecondensingtubeB,rinsethetrianglebottleC,

dilutethedigestivejuiceDanddissolvethesample

Provisionsofthenationalstandardof38.GB13078-91,withthe

allowableamountofaflatoxininPeanut(0.05mg/kg)feed.

A,B,C,D,<=>

39.aflatoxinBlinfeedwasdeterminedbyenzymelinked

immunosorbentassay(ELISA),andtheenzymelabelingapparatus

wasdeterminedat450nm.

AandabsorptionspectraB,absorbance,C,opticalrotation,

Dandsolubility

40.themethodfordeterminationoffreegossypolinfeedsis

suitableforthedeterminationoffreegossypolin().

A,cottonseedmeal,B,fishmeal,C,rapeseedmeal,D,stone

powder

41.determinationofnitritecontentinfeedby

spectrophotometry,andabsorbanceshouldbemeasuredat()

wavelength.

A,640nm,B,240nm,C,340nm,D,538nm

Provisionsofthenationalstandardof42.GB13078-91,allowing

lessthanfreegossypolincottonseedmeal(feed).

A,120mg/kg,B,1200mg/kg,C,12000mg/kg,D,2000mg/kg

43.determinationofnitriteinfeed,removetheproteinunder

(or)microalkali,andreactwithnitriteinacidiccondition

toformdiazocompound.

A,B,C,acidicacidicneutralD,microalkali

44.determinationofnitritecontentinfeedsmustbemade.

A,atomicabsorptionspectrophotometer,B,spectrophotometer

C,enzymeanalyzer,D,A,BandCallincluded

45.thecontentofnitriteinfeedwasdeterminedby

spectrophotometry,andtheabsorbancewasmeasuredatthe

wavelength.

A,380nm,B,538nm,C,640nm,D,340nm

46.determinethechromiuminthefeed.Afterthesampleis

taken,itisfirstplacedinthefurnaceandcompletely

carbonized.Thenthesampleisburnedintherangefurnace.

A,beakerB,porcelaincrucibleC,volumetricflaskD,Petri

dish

47.determinationofcadmiuminfeed,thesampleisfirstcalled

inthehardbeaker,then()burnuntilthesampleiswhiteor

gray.

A,B,furnaceC,waterbathD,alcohollamp

48.determinationofcadmiuminfeed,using()228.8nm

wavelengthdeterminationofabsorbance,andcomparedwiththe

standardcurvetoobtaincadmiumcontent.

A,atomicfluorescencespectrophotometer,Bandinfrared

absorptionspectrophotometer

C,atomicabsorptionspectrophotometerDandultraviolet

absorptionspectrophotometer

49.thenationalfeedhygienestandardGB13078-2001stipulates

thatthecadmiumcontentinthechickenformulafeedisas

follows.

A,0.02,mg/Kg,B,0.1,mg/Kg,C,10,mg/Kg,D,20,mg/Kg

50.thecontentofcyanideshouldbedeterminedinfeed

ingredients(),flaxcakesandbeans,andmixedfeeds.

A,fishmealB,cassavaC,stonepowderD,cottonseedcake

51.themethodforthedeterminationofsulfamethoxazolein

feedissuitableforthedeterminationofN,P,Nandsin

rapeseedcake,mealand().

A,starch,B,stonepowder,C,compoundfeed,D,mineralfeed

52.thecontentoftoxicandharmfulsubstancesinrapeseedcake

shouldbedetermined.

A,nitrite,B,chloride,C,isothiocyanates,D,fluorine

53.todetect666andDDTinfeed,extract666andDDTfirst,

thenfilter,fixvolumeandpurify,anddetectbyinjectiongas

chromatograph.

A,hexanecontainingasmallamountofacetone,mixedsolvent

B,acetone

C,n-hexane,D,methanol

54.determinationofclenbuterolhydrochlorideinfeedbyhigh

performanceliquidchromatography(HPLC).Aftertheextraction

ofclenbuterolhydrochloride,itmustbepurified(after)to

beseparatedandmeasuredonHPLCinstrument.

A,liquidliquidextractionandsolidphaseextractioncolumn

B,precipitation

C,distillation,DandTLCseparation

55.GC-MSmethodforthedeterminationofclenbuterolinfeed

mustbetheextractionsolution(),andafterliquidandliquid

extractionandsolidphaseextractioncolumnpurification,and

thenderivedderivativeagent,aftertheseparationand

determinationofGC-MSinstrument.

A,acidification,B,alkalization,C,neutralization,D,

saponification

56.testthetotalnumberofbacteriainfeed,requiringwater

tobe(or)freeofionizedwater,andnosubstancesthatinhibit

thegrowthofbacteria.

A,distilledwater,B,redistilledwater,C,tapwater,Dand

noncarbondioxidewater

57.()isverystableunderalkalineconditions,soalkaline

hydrolysisisonlysuitableforthedeterminationofthisamino

acidcontent.

A,arginine,B,serine,C,threonine,D,tryptophan

58.determinationoffeedsamplesbyformicacidoxidation.An

automaticaminoacidanalyzercanaccuratelymeasurethe

contentof(andmethionine)inthesample.

A,B,C,serinethreoninecystine,cysteine59.Dalkaline

hydrolysisisthefeedproteinat110degrees,theeffectof

alkalihydrolysisofasingletryptophan,thenthroughion

exchangechromatography(or)separationanddetermination.

A,highperformanceliquidchromatographyBandthinlayer

chromatography

C,liquidliquidextraction,Dandgaschromatography

60.bydryashingfeedsamplesunderacidicconditionsthe

residueisdissolved,dilutedwiththesamplesolution,the

samplesolution(import),theabsorbanceofironcopper,

manganeseandzincweredetermined.Thecontentcanbe

calculatedforeachelement.

A,pHmeterB,gaschromatograph

C,liquidchromatographyDandatomicabsorption

spectrophotometer

61..Thecontentofiron,copper,manganeseandzincincompound

feedwasdeterminedbyatomicabsorptionspectrometry.The

samplewasdriedbydryprocess.

A,allanimalsfeedB,somemineralrawmaterialsC,waterD,

calciumhydrogenphosphate

62.determinationofiron,copper,manganeseandzincin

formulafeedbyatomicabsorptionspectrometry.Blanksolution

ofsampleshouldbepreparedatthesametime,andtheblank

solutionofthesampleshouldbedetermined.

A,absorptionspectraB,absorbanceC,temperature,D,optical

rotation

63.testtheseleniuminthefeed,firstdestroytheorganic

substanceinthesample,make().

A,seleniumfreeoutofB,theremaininginorganicsubstances

Candseleniumwereconvertedintosodiumselenite,Dand

seleniumintomolecularstates

64.determinationofvitaminAinfeedbyHPLCmustbedonewith

saponificationsample.

A,lyeB,acidsolutionC,ethanolD,ethylacetate

DeterminationofvitaminK3indiet65.byHPLC,using

chloroformsolutionofammoniaextractionofvitaminK3and

transformedintoafreeNaiquinone,thenchloroform

evaporation,theresiduedissolvedinmethanolandinjected

(determination).

A,UVspectrophotometer,Bandatomicabsorption

spectrophotometer

C,highperformanceliquidchromatography(D)andgas

chromatograph(GC)

DeterminationofvitaminBlinfeed66.fluorescence

spectrophotometry,vitaminBlinfeedunderalkaline

conditionsisgenerated()fluorescentpigment-sulfurpigment

wasproportionaltothecontentofvitaminBlfluorescence

intensityandsamplethiochrominn-butanolinturn,andthe

quantitativedetermination.

A,PotassiumPermanganateB,oxidationofpotassiumiodide

oxidation

C,ferricyanideoxidation,D,ferroussulfateoxidation

67.determinationofvitaminB6infeedbyHPLC,andvitamin

B6inthesampleshouldbeextractedbyultrasound.

A,methanolB,cyclohexaneC,alkalineextractDandacid

extract

68.evaluatethestepsofnewfeedingredientsandproducts,

includingsafety,componentanalysis,observationexperiments,

andfeedingexperiments.

A,determinationofparticlesize,determinationofBand

mixinguniformity

C,crudeproteindetermination,D,digestibilitywere

determined

69.componentanalysisofnewfeedingredientsandproducts

doesnotincludethefollowing:().

A,moisture,B,totalbacterialcountC,aminoacidD,crude

fat

Seventy

Oneoftheaimsofthecomprehensivequalityoffeedisto

improvetheeconomicefficiencyofthewholeplant.

A,rawmaterialoff,B,stockpass,C,quantityoff,D,quality

pass

71.intheexaminationwork,theworkshouldbecleanedafter

titration,andthenrinsed(),invertedburetteclampclamped

onstorage.

A,tapwater,B,titrationsolutionC,distilledwaterD,blank

solution

72.forlong-termpreservationofgrindinginstruments,topad

apieceofpaperinbetween,soasnottopassby.

A,sticktoB,falloffC,loseD,claim

73.laboratoryinstrumentsandequipmentmustbe().

A,certifiedB,certifiedunqualified,C,certifiedD,not

tested

74.thesamplemanagerwillberegistered,numberedsamplesare

dividedintotwocopies,oneremainsforfuturereference,one

accordingtotheprovisionsofgrinding,preparation,fill(),

andbythepersoninthesamplenotificationsign.

A,sampleweightB,samplenameC,inspectionnoticeD,date

75.,thedetectionprocessfailure,thatis,interrupttesting,

etc.,aftertroubleshooting,()detection.

A,continueB,reC,donothavetoreD,A,B,C,allright

76.,theoriginalrecordofinspectionbytheinspectionstaff

tofillin,willuseapen,writingshouldbeneat,()change.

A,noB,canC,allowD,allowasmallamount

77.feedqualitymanagementtechnology,includingraw

materials,formuladesign,productiontechnology,(),

after-saletechnicalservices,qualitymanagementoffive

majorelements.

A,labB,factoryC,workshopD,office

78.laboratoryqualitymanagement,toenterthefactoryraw

materialsshouldbesampling,laboratoryanalysis,thequality

oftherawmaterialshouldbeissuedaqualitylist.Andnotify

therecipedesigner.

A,storagesituationB,samplingC,laboratorytestresultD,

originaldocument79.,laboratoryqualitymanagement,quantity

ofrawmaterial,nutritionindexandproductionarrangement,

timelynotifyrecipeDesigner().

A,timelyreplenishmentofrawmaterials,B,repurchaseC,

adjustformulaD,plan

80.laboratoryqualitymanagementinthesampletest,analysis,

managementrequirementsforrawmaterials,finishedproducts

afterinspection,thequalified().

A,topromotesalesofB,toencouragethepurchaseofC,issued

acertificateofD,reward

Score

Raters

Two,judgmentquestions(firstquestions?twentieth

questions).Filltheparentheseswiththeresultofthe

judgment.Fillinthe'V'rightandwrong"fill1points

pergame,20points.)

1.()theso-calledpubli