四川农业大学污染生态学思考题Word文档下载推荐.docx

四川农业大学污染生态学思考题Word文档下载推荐.docx

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Sourcesofpollutants,pollutants,etc..Pollutants.Pollutants.Pollutants

2,accordingtotheenvironmentalfactorsaffectedbypollutantscanbedividedinto3,accordingtotheformofpollutantscanbedividedinto4,accordingtothenatureofpollutantscanbedividedinto

5,accordingtothephysicalchangesofpollutantsintheenvironment,chemicalpropertiescanbedividedintotwotermstoexplain1,2pollutants,thesafeconcentrationof3,themaximumallowableconcentrationof4,theeffectofconcentrationofthree,amongthe1properties,the2pollutants,thepollutantsofthe3classification,theplantsontheadhesionofgaseouspollutantsandabsorption.4,thepollutantmigrationintheplantbody.5types,thecombinedeffectsofthecompoundpollutionpollutants.Four,1essayquestions,discussestheinfluencefactorsofplantabsorption,migrationofpollutants.2,howtoreducetheabsorptionofpollutantsinsoilintheactualproductionprocess?

3,absorptionofsolublepollutantsthewaterontheplant.Five,singlechoice5,lethalconcentration6,covered7,pinocytosis8,additiveeffect

9,synergy10,antagonism11,independenteffect

1,thetoxicityofthecombinedactionofmultiplechemicalsisgreaterthanthesumofthetoxicityofeachsinglesubstance.Thisis（A,additiveactionC,antagonismB,synergy:

D,independenteffect）:

）

Secondchaptersone,nouninterpretation:

nouninterpretation:

Bioenrichment

1,bioenrichment（bio-enrichment）（alsocalledbiologicalconcentration（bio-concentration）2）,enrichmentcoefficientorenrichmentcoefficientof3,hyperaccumulator（hyperaccumulator）two,shortanswerquestions1,thenatureofpollutantsincludingthose2pollutantswhichaccumulateinorganismaftereffect,why?

Whatistherelationshipbetweenthe3.Betweenthebioaccumulationandbiologicaldetoxification?

4,byextendingtheecologicalsystemofthefoodchainbioaccumulation,whatwillhappen,why?

Three,fillintheblanks:

fillintheblank:

1,themainfactorsinfluencingthebiologicalenrichmentare:

2,theinfluencefactorsofaccumulationinorganisms,and,,,,,and.

3,sofar,Chinesescientistshaveonlyfoundarsenichyperaccumulatorplants;

hyperaccumulatorplants;

manganesehyperaccumulatorplants

Zinc,segregation,hyperaccumulator

Lead,segregation,hyperaccumulatorplants

4,thedetoxificationabilityismore

Theenrichmentabilityismore

Onthecontrary,theenrichmentabilitybecomesmoreandmore

5,inthematrixsolution,thepollutantcangive（soluble）quantity6,thesoilmoistureistoomany,thepollutantisinthestateprimarily,theactivityreceives,

Theamountofabsorptionandaccumulationofplants,theamountofenrichment,soilmoisture

Thequantityofpollutantisless,andtheenrichmentis7

8,thewildplantsaremainlywildplants

Themethod

9,investigationcontentofcropsmainlycultivatedcropsincerealandvegetables10,therearefourmethodstostudybiologicalenrichmentonthesubject:

Essay:

1,whycanthebiologicalpollutantenrichment?

2,thishyperaccumulatorhasseveralmajorfeatures.Methods,methodsand

3differenttypesofpollutants,andvariouspollutantsindifferentorgansofdifferentorganismsandthesameorganism,tissueaccumulationhaveobviousdifference,why?

Itshouldbehowtoreasonablelayoutstructureofdifferenttypesofcropsinpollutedareas,howtoavoidexcessivepollutantsintothebody?

4,whatistherelationshipbetweenbiologicalandenvironmentalenrichment?

5.Whatisthebestwayofbioenrichment?

Wouldyoupleasedesignastudyofbiologicalenrichmentprogram.6,theheavymetalsasaspecialkindofpollutants,thosecharacteristicsareobviouslydifferentfromotherpollutants.（judgecorrect"

V"

wrongwith"

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said）"

"

X"

five,

Judge:

judgeandexplainthereasonsfor1points,2points,correctmistakes,"

with"

said:

（1）todeterminetheproblem,withhighchemicalandbiologicalpollutantscannotbestable.（2pollutantenrichmentplants,isafatsolublesubstancespronetoenrichmentplants（3.Thathashighwatersolublepollutantspronetoenrichmentplants.（））））

4,matrixsolution,exchangeable（soluble）pollutantquantitydirectlyaffecttheplantabsorptionandenrichment.（six,multiple-choice:

multiple-choicequestions:

1,sofar,Chinesescientistsfoundonlyoneofarsenichyperaccumulationplants（A,B（s.alfredii,WuSongcao）Bwildplants,Joe,shrubleafD,fieldsamplingC