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ID:42130502
大小:126.54 KB
页数:30页
时间:2019-09-08
《《中国考试》理综试题生物部分()》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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
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