试题与答案

在“探究非生物因素对种子萌发的影响”活动中,据下列处理分析回答: 1号瓶2号瓶3

题型:探究题

题目:

在“探究非生物因素对种子萌发的影响”活动中,据下列处理分析回答:

 1号瓶2号瓶3号瓶4号瓶
处理

方法

放10粒种子,拧紧瓶盖放10粒种子并加适量水,拧紧瓶盖放10粒种子并加较多水,拧紧瓶盖放10粒种子并加适量水,拧紧瓶盖[
室温室温室温低温
(1)  表中有________组对照实验,分别是_________________(2分),实验变

量分别是___________________________(2分)。

(2)  2号瓶的作用是__________,原因是__________________________(2分)。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D, E

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题型:阅读理解

阅读理解 。

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