4.6 植物体的运动
Quiz
•
Biology
•
7th - 8th Grade
•
Practice Problem
•
Medium
纤淞 黄
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
许多人以为植物对外界的变化没有感觉,也不会运动。其实,植物对一些能影响生长的刺激、如_______、________、接触及地心引力等,都能产生反应。
空气、水分
光线、水分
阳光、空气
声音、阳光
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
植物受到刺激而引起局部器官向着固定方向生长的特性,称为_________。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
植物的屈性运动一般可分为________,既屈光性、屈地性、屈水性、___________和__________等。
5类, 屈触性, 屈化性
6类, 屈触性, 屈化性
5类, 屈油性, 屈化性
6类, 屈触性, 屈生性
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小锐发现他放在窗边的豆芽并不是向上生长。你能帮小锐解释此现象吗?
豆芽属于正屈光性植物
豆芽属于负屈光性植物
豆芽属于正屈水性植物
豆芽属于负屈水性植物
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
农民播种时,并不担心种子的朝向,因为长出来的根总是向下生长,茎总是向上生长。从此现象可得知, 根一般具有______________,而茎具有__________。
正屈地性, 负屈地性
负屈地性,正屈地性
正屈水性,负屈水性
负屈水性, 正屈水性
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在环绕地球飞行的空间站中,物体是不受地心引力作用的。如果要使种子在发芽后,根往下发育生长,太空舱人员必须_________。
把种子放在装有水的装置中培育
把种子放在有光照的太空舱中培育
以上皆非
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在种植木鳖果树的过程时,农夫发现该植物的茎卷须接触到支撑物时,其顶端发生卷曲运动,然后缠绕在支撑物上。这种植物的屈性运动称为____________。
屈触性
屈水性
屈光性
屈化性
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