《中国考试》理综试题生物部分（）

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1、《中国考试》理综试题生物部分()Mywell-organizeddocumentcomesfromthewebIonlycollectthecollationIfthereareanymistakesAlsopleasecheck!Comprehensivetestofsciencetestofsciencetestin2006(biologicalpart)1.ChooseatopicThereisonlyoneoptionforeachquestion.1.ThefollowingstatementsaboutbodytemperatureregulationThecorrecto

2、neis()A.thehypothalamusisthemaincenterofthesensationoftemperaturechangeIt'sthepartthatformsthecoldandtheheatB.thecoldsensorisdistributedintheskinThethermosensoryreceptorsaredistributedintheinternalorgansThecoldwar(ortremor)inthecoldenvironmentistheresultofthereflexingmuscleD.Alotofsweatinahotenv

3、ironmentdoesn，ttakeawayheatTheheatislostonlywhenthesweatevaporates1.ThefollowingstatementsabouttheintensityofphotosynthesisThecorrectoneis()A.DuringthegrowthanddevelopmentofAleaffromyoungtooldTheintensityofphotosynthesiswillnotchangeB.IntheverticaldirectionoftheplantcommunityThephotosyntheticint

4、ensityofplantleavesoccupyingdifferentSpacesvariesC.thephotosyntheticintensityofplantsisonlyaffectedbyenvironmentalfactorsIthasnothingtodowithgenotypeD.IfthelightintensityisthesameThephotosyntheticintensityofyangshengplantsishigherthanthatofshadeplants2.FIG.1showsaartificialseedThefollowingstatem

5、entsrelatedtothebreedingprocessofartificialseedsareincorrect()A.artificialseedsareusuallyobtainedbytissueculturetechniquesusingisolatedplantcellsB.theembryonicbodyisformedbythetissueofthewoundtissueItisonlyintheformofcallusthatthebodycellscanshowtotipotencyC.thesamebatchofartificialseedscanguara

6、nteethesamegenotypeD.Theembryonicformiscomposedofundifferentiatedanddividedcells1.Thefollowingstatementsarecorrect()A.AkindofleguminousplantimportedfromabroadiscultivatedinoneplacewithoutAnoduleBecausethereisnorhizobiainthesoilB.improvethelightingintensityoffarmlandIncreasingthediurnaltemperatur

7、edifferenceinthefieldisanimportantmeasuretoimprovecropyieldTheproductionanduseofc.2,4一dThedevelopmentandmaturityofsomegreenhousecropshavebeeneffectivelysolvedD.Usingthefish，spituitaryextractmayencouragefemalestoovulateBecaus