下图是测定植物某一生命活动过程的装置,从左侧泵入空气后,会产

下图是测定植物某一生命活动过程的装置,从左侧泵入空气后,会产生某些实验现象,下列几种说法中错误的是

A.该实验的目的是测定植物呼吸作用能产生CO2

 B.本实验装置中B瓶的作用是减少实验误差

 C.如果将C瓶中的植物换成萌发的种子,则出现相同的实验现象

 D.把不透光的玻璃罩换作透光的玻璃罩仍能得到同样的实验结果

答案

D

相关题目

Tom is ­­ most hardworking student, but he isn’t­­ most hardworking in our
Tom is ­­ most hardworking student, but he isn’t­­ most hardworking in our class.A. the; the                B.a; the          C. the; a           D. a; a
 I received his mother’s telephone call at eleven. Only then__that he w
 I received his mother’s telephone call at eleven. Only then__that he was badly hurt in an accident yesterday. A.did I knew       B. I knew      C.did I know    D.  knew I
古诗词名句填写(共6分) 1.此夜曲中闻折柳,_________________
古诗词名句填写(共6分) 1.此夜曲中闻折柳,________________________。(李白《春夜洛城闻笛》) 2.____________________,禅房花木深。(常建《题破山寺后
My grandma is _____years old this year. We are planning a special birthday par
My grandma is _____years old this year. We are planning a special birthday party       for her _____ birthday next Sunday.    A. Ninetieth; ninetieth              B.Ninety;
如图所示,蹲在树枝上的一只松鼠看到一个猎人正在用枪水
如图所示,蹲在树枝上的一只松鼠看到一个猎人正在用枪水平对准它,就在子弹出枪口时,松鼠开始运动,下述各种运动方式中,松鼠不能逃脱厄运而
如图,□ABCD O为D的对角线AC的中点,过点O作一条直线分别与A
如图,□ABCD O为D的对角线AC的中点,过点O作一条直线分别与AB、CD交于点M、N,点E、F在直线MN上,且OE=OF. (1)图中共有几对全等三角形,请把它们都
基因工程中使用的工具酶不包括 A.限制性核酸内切酶     B
基因工程中使用的工具酶不包括 A.限制性核酸内切酶     B.DNA连接酶   C.逆转录酶    D.纤维素酶
 We are constantly introducing novel schemes and ______ options designed to su
 We are constantly introducing novel schemes and ______ options designed to suit individual circumstances and the current financial climate. A. tentative                  B. releva