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> 如图,在甲乙两试管中分别放入等量的液体,甲试管中的液体为清水,乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜,洗净,分别插入甲、乙两支试管中。在两试管的管口处用-七年级生物
如图,在甲乙两试管中分别放入等量的液体,甲试管中的液体为清水,乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜,洗净,分别插入甲、乙两支试管中。在两试管的管口处用-七年级生物
题目简介
如图,在甲乙两试管中分别放入等量的液体,甲试管中的液体为清水,乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜,洗净,分别插入甲、乙两支试管中。在两试管的管口处用-七年级生物
题目详情
如图,在甲乙两试管中分别放入等量的液体,甲试管中的液体为清水,乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜,洗净,分别插入甲、乙两支试管中。在两试管的管口处用棉花固定植株,分别标记此时液面位置。请你将香菜插入液体20分钟后,可能发生的变化填入下表中,并分析原因。
题型:读图填空题
难度:偏难
来源:河北省期末题
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题目简介
如图,在甲乙两试管中分别放入等量的液体,甲试管中的液体为清水,乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜,洗净,分别插入甲、乙两支试管中。在两试管的管口处用-七年级生物
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