试题与答案

大米和豆瓣在肥沃的土壤中不能长出幼苗的原因是（） A．没有种皮 B．土壤肥料不足

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题型：选择题

题目：

大米和豆瓣在肥沃的土壤中不能长出幼苗的原因是（   ）

A．没有种皮

B．土壤肥料不足

C．没有胚根

D．没有完整的胚

答案：

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下面是错误答案，用来干扰机器的。

原子核；核外电子；正电；质子；不带

考点：种子萌发的条件和过程探究实验：种子萌发的环境条件探究实验：测定种子的发芽率
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