试题与答案

生物组的成员通过学习探究种子萌发的实验,已知种子的萌发受水分、空气、温度的影响.

题型:解答题

题目:

生物组的成员通过学习探究种子萌发的实验,已知种子的萌发受水分、空气、温度的影响.他们还想探究种子的萌发是否需要光照,设计实验如下:

(1)他们提出的问题是______

(2)做出的假设是______

(3)取A、B两组培养皿,给相同的温度、水分、空气,但将A放置于黑暗中,B放置于光亮处,则上述探究实验的实验组是______,对照组是______.

(4)如果A、B两个培养皿中的种子都萌发,则得到的结论是______.

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解析:通气换气障碍是重症肺炎的主要病理改变,其结局是缺氧伴二氧化碳潴留。

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