植物生理學(xué)（全英文）中國大學(xué)mooc課后章節(jié)答案期末考試題庫2023年

植物生理學(xué)（全英文）中國大學(xué)mooc課后章節(jié)答案期末考試題庫2023年ABAisan.

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antigibberellin

Brassinosteroidsarelipidssynthesizedfrom.

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campesterol

PollenextractfromZeamayscanpromotecellandstem.

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elongation

Developmentinthedarkistermed.

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skotomorphogenesis

Floweringofshortdayandlongdayplantispromotedby________.

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CytokininandGArespectively

Whichofthefollowingisnotthemainabioticfactoraffectingplantgrowthanddevelopment？

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Insects

DuringwaterstressriseinABAlevelsinitiallycause.

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Stomatalclosure

Stresshormoneis______

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ABA

Abioticstressinplantsisnotcausedby

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fungi

Whichoneregulatesplantgrowth?

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BothBandC

Elongationofrosetteplantsisachievedbytreatmentwith.

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gibberrellin

Gibberellinswasnamedafterafunguscalled.

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Gibberellafujikuroi

ThewavelenghabsorbedbyPrformofphotochromeis.

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660nm

AccordingtoMassflowhypothesis,massflowofsolutefromsourcetosinkisdueto.

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tugorpressuregratient

WhichofthefollowingstatementsaboutwatertransportthroughthexylemisWRONG?

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Tracheidshaveperforationplates.

WhichofthefollowingstatementsaboutthesurfacetensionofwaterisWRONG?

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“Wettable”surfaceshavecontactanglesofgreaterthan90°;“nonwettable”surfaces

havecontactanglesoflessthan90°

WhichofthefollowingstatementsaboutthestructureandpropertiesofwaterisWRONG?

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Waterhasalowtensilestrength.

Themovementofphotosynthatethroughphloemisalways.

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fromsourcetosink

Whichofthefollowingisa‘source’?

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Greenparts

Maximumsolarenergyistrappedby.

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growingalgaeintanks

Stomataopenatnightbutcloseduringdaytimeinwhichplants?

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Succulents

Manganeseisrequiredfor

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Photolysisofwaterduringphotosynthesis

Passiveabsorptionofmineralsdependsupon

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temperature

Thebestlightforstomatalopeningis

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Blue

WhichofthefollowingstatementsaboutwaterabsorptionbyrootsisCORRECT?

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Inthetransmembranepathway,watercrossestheplasmamembraneofeachcellinitspathtwice(onceonenteringandonceonexiting).

WhichofthefollowingisNOTconsideredasamajordrivingforceforwaterflowfromthesoilthroughtheplanttotheatmosphere?

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Elevationoftheplant.

WhichofthefollowingisNOTatypeofepigeneticmodification?

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Ubiquitination

Bidirectionaltranslocationofmineralstakesplacein

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Phloem

WhichoffollowingstatementsaboutwaterlossandusagebyplantsisCORRECT?

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TheuptakeofCO2iscoupledtothelossofwaterthroughacommondiffusionalpathway.

Duringhighwindvelocity,thestomataofplants

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Closedown

HighlevelsofABAaresynthesizedin.

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tissuesundergoingstress

WhichofthefollowingstatementsaboutproteindegradationprocessisWRONG?

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Inchloroplasts,proteinturnoverinvolvesubiquitinationand26Sproteasome.

WhichofthefollowingstatementsaboutpolyploidsisCORRECT?

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Ifpolyploidyisrestrictedtosomatictissues,theterminologyusedtodescribethisstateisendopolyploidy.

ABAregulates.

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dormancy

ThefirstkinetinisolatedbyMillerwasfrom.

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herringspermDNA

WhichofthefollowingstatementsabouttransposonsisCORRECT?

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Transposonsaremobilesequenceswithinthegenome.

Thecellmembranecontainschannelsandpumpsthathelpmovematerialsfromonesidetotheother.Whatarethesechannelsandpumpsmadeof?

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proteins

Thesodiumpump:

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isimportantformaintainingaconstantcellvolume

Na+glucosetransporterisanexampleof

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symport

Photosynthesisismostactiveandfastin

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Redlight

InC4pathway,

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CO2combinewithPEP

Darkreactionofphotosynthesisoccursin

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Stroma

WhatdidFACEexperimentsshow?

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C3plantsaremoreresponsivetoelevated[CO2]thanareC4plants.

CapabilityoffixingtheCO2lostinrespirationisfoundin.

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C4plants

Thelong-distancetransportofphotosynthatefromoneregiontoanotherinhigherplantsiscalled.

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phloemtranslocation

Allthefollowingare‘sink’except.

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leaves

HighlevelsofABAaresynthesizedin.

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tissuesundergoingstress

Theprocessoftransferringsugarformedinmesophyllcellstosievetubesofphloemiscalled.

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phloemloading

DET2encodesasteroid5-reductaseinthebiosynthesispathway.

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BR

Phloemunloadingoccurs.

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withconcentrationgradient

Phloemloadingisthetransferofsugarfrom.

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alloftheabove

Thepigmentthatabsorbtheredandfar-redlightinplantis.

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phytochrome

Dwarfnessoftheplantcanbecontrolby_____.

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GA

Aparticularplantacidpromotesmaltinginbreweries.Whichoneofthemisit?

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GibberellicAcid

Gibberellinsarechemically.

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terpenoidderivatives

Thegibberillinspresentinthealeuronelayerofbarleyincreasetranscriptionof.

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proteaseandamylase

In1970,MitchellandcolleaguespurifiedbrassinfromtheBrassicanapus.

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pollen

Cytokininsare.

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adeninederivatives

Whichofthefollowingisanaturalcytokinin?

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zeatin

AgrobateriumtumefaciensTiplasmidst-DNAhasgenesfor.

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Auxinandcytokinins

Whichofthefollowingistheprecursorofcytokinins?

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adenine

Epinastyisdefinedasthe:.

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Nasticmovementinwhichaplantpartisbentoutwardordownward.

det2isamutant.

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skotomorphogenesis

Theconditionof‘Climacteric’isdefinedby.

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Aphenomenonrelatedtotheripeningoffruits.

WhichofthefollowingstatementsaboutguardcellsisWRONG?

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Adecreaseinguar