admins 发表于 2021-8-18 22:32:50

2020-2021学年北师大版七年级上册生物课堂小测3.6.1种子萌发形成幼苗

※题型：单选题※知识点：单选题※试题难度：中等<br>种子的主要部分,即将来发育成幼小生命体的是(&nbsp;)<br>A.种皮&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.胚芽&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.胚&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.胚乳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7e3c4fbb58324804b9248d7fdbcf4cfa/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/440037aa349f40e7809287c79a1e0d95/7CFDA2148EBE8090AE1753F4E4CB2E81.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列播种在土壤中的种子不可能萌发的是(&nbsp;)<br>A.种皮受损伤的种子&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.胚受损伤的种子<br>C.果皮受损伤的种子&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.胚乳受损伤的种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/aa7cc184658d4bada6f743b1b213482a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c449fd56880540208ea7d9518646ec3a/4157B67BFFC9ADBBB5B9CE29604E1BBD.png"><br><br>
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