在正常与遮光条件下向不同发育时期的豌豆植株供应14CO2,48h后测定

在正常与遮光条件下向不同发育时期的豌豆植株供应14CO248h后测定植株营养器官和生殖器官中14C的量.两类器官各自所含14C量占植株14C总量的比例如图所示.与本实验相关的错误叙述是(  )

A.14CO2进入叶肉细胞的叶绿体基质后被转化为光合产物
B.
生殖器官发育早期,光合产物大部分被分配到营养器官
C.
遮光70%条件下,分配到生殖器官和营养器官中的光合产物量始终接近
D.
实验研究了光强对不同发育期植株中光合产物在两类器官间分配的影响

答案

C

相关题目

Shelly had prepared carefully for her biology examination so that she could be
Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first ______. A. attention              B. purpose              C.
下列各句中加点成语,使用恰当的一项是(      ) A.由
下列各句中加点成语,使用恰当的一项是(      ) A.由于美国隔岸观火,采取表面超脱而实质偏袒的政策,致使巴以冲突愈演愈烈。 B.这次商品
用括号内所给单词的适当形式填空。 1. Feng Xiaogang is one of the
用括号内所给单词的适当形式填空。 1. Feng Xiaogang is one of the best ________(direct) in China. 2. Jack is an ________(Australia) boy and he comes from Sydney. 3. Michael became an __
曲线y=-在点处的切线的斜率为( ) A.-             
曲线y=-在点处的切线的斜率为( ) A.-                     B. C.-                    D.
 We should ________ our classroom and keep it tidy. A. set up        
 We should ________ our classroom and keep it tidy. A. set up                   B. clean up                C. cut up                  D. get up
The policeman has caught the thief _____stole Mr.Li's wallet. A.whose B
The policeman has caught the thief _____stole Mr.Li's wallet. A.whose B.who    C.whom D.which
下图是1942年美国印制的一份海报,印制“united”“win”等宣
下图是1942年美国印制的一份海报,印制“united”“win”等宣传语和美、英、苏等国国旗。与此海报密切相关的文件的是: A.《慕尼黑协定》        
 --- Look! The telephone is broken. Someone damaged it ________ purpose.  --
 --- Look! The telephone is broken. Someone damaged it ________ purpose.  ---That may be right. But perhaps it was broken _________ accident.    A. on; by   B. by; by     C. on; on