单选题:将某植物放置在黑暗处一昼夜后,选取一个叶片按图1处理。照光几小时后,经脱色、漂洗再用碘液处理,结果如图2所示。本实验能说 题目分类:初中生物 题目类型:单选题 查看权限:VIP 题目内容: 将某植物放置在黑暗处一昼夜后,选取一个叶片按图1处理。照光几小时后,经脱色、漂洗再用碘液处理,结果如图2所示。本实验能说明( )。 ①光合作用需要光②光合作用需要二氧化碳 ③光合作用需要叶绿体④光合作用放出氧气 ⑤光合作用制造淀粉 A.①③ B.②④ C.③⑤ D.①⑤ 参考答案: 答案解析:
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