植物对外来的刺激

Quiz
•
Science
•
4th Grade
•
Medium
NG Moe
Used 5+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
预测一个星期后,红豆苗的根的生长情况。
红豆苗的根向上生长。
红豆苗的根向干棉花的方向生长。
红豆苗的根向湿棉花的方向生长。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的花对什么外来刺激产生反应?
阳光
水
触动
地心引力
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
无论怎么样摆放植物,植物的根都向下生长。根据观察结果作出推断。
植物的根对地心引力产生反应。
植物的根对水产生反应。
植物的根不断的深入土壤里。
植物的根在吸收养分。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
选出这项实验的观察结果。
一星期后,植物的根向沙石的方向生长。
一星期后,植物的根向壤土的方向生长。
一星期后,植物的根向沙石和壤土的方向生长。
一星期后,植物的根向下生长。
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