[考研类试卷]综合练习试卷216(无答案).doc

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1、综合练习试卷 216(无答案)一、判断题请判断下列各题正误。1 嫁接可克服种子繁殖不能保存亲代优良品质的缺点。( )(A)正确(B)错误2 单雌蕊子房仅由一心皮构成一室,复雌蕊子房则可以由数个心皮形成数室或一室。( )(A)正确(B)错误3 雌蕊即子房。( )(A)正确(B)错误4 侧膜胎座沿背缝线排列。( )(A)正确(B)错误5 禾本科植物如水稻、小麦、玉米等的小穗,实际上代表一朵小花,其中的颖片、稃片、浆片等均是由花被演变而来的。( )(A)正确(B)错误6 单歧聚伞花序属于有限花序类型。( )(A)正确(B)错误7 有些植物不产生花器官也能结果,如无花果。( )(A)正确(B)错误8

2、胡萝卜的花序为复伞形花序。( )(A)正确(B)错误9 被子植物中 70以上的胚囊的发育类型属蓼型(单孢型)。( )(A)正确(B)错误10 成熟的绒毡层细胞一般具双核和单核。( )(A)正确(B)错误11 花粉母细胞经过连续两次有丝分裂可产生 4 个精子。( )(A)正确(B)错误12 一个胚囊母细胞只能产生一个胚囊。( )(A)正确(B)错误二、填空题请完成下列各题,在各题的空处填入恰当的答案。13 营养繁殖可分为_和_。14 在进行嫁接时,保留根系、被接的植物称为_,接上去的枝条或芽体称为_。15 一朵花中,若干萼片组成_,数枚花瓣组成_。16 被子植物胚乳的发育有三种方式,其中以_方式最为普遍。三、名词解释题17 叶舌(ligule)18 同层地衣(homolomerous 1ichen)19 根蘖植物20 花程式21 子房22 丝状器23 多胚现象24 聚合果和聚花果25 世代交替

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