2021届中考生物一轮复习小题必刷：3.生物圈中的绿色植物（1）
※题型：单选题※知识点：单选题※试题难度：中等<br>裸子植物和被子植物的主要特征是( )<br>A.种子外均有果皮包被 B.都有真正的花<br>C.由子房发育为果实 D.由胚珠发育成种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fc4a12d525bb4e07920e41f85b362d13/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/eef0d0cfd8a24d85a53fb66196aececb/A3326CAC1D6572CA3FA07F80F53450EA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图为一个豌豆荚,内有六粒豌豆种子。下列有关叙述错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/2/E3B6CF0F967EAF72D5CF9248D4DFCECE.png"><br>A.a由子房壁发育而成<br>B.b是由种皮、胚和胚乳组成<br>C.豌豆属于被子植物<br>D.豌豆子房中有多个胚珠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/80a756983a624291bded2674266b9473/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/80baefd27ae84e2cb8fa8706c37539b5/B6807ADD00AE4AB9CB105E23DA9FC595.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示为花蕊结构的概念图,下列说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/29/C16D7123DB4F98BECCCE1691B147225C.png"><br>A.甲是雌蕊 B.丙发育成种子<br>C.乙是花柄 D.丁发育成果实<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/6f6f292360ba4c8097f30cf409dddc81/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2a16aedda71345ea96f9fc0d4d3b53d3/6DED73D2F64D4533C0934F672C3932DC.png"><br><br>※题型：判断题※知识点：判断题※试题难度：较易<br>裸子植物和被子植物的种子中都有胚<br>.<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/68f2b3630b454407a169d6b186f728d3/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0ae1ae6a63ab45a886f4658e80f1cefa/97DE2A152125C676E6FDD682EDAA28A5.png"><br><br>※题型：判断题※知识点：判断题※试题难度：较易<br>具有<br>完<br>整且活的胚的成熟种子,在适宜的外界条件下一定能够萌发。<br>( <br>)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/3ea607ca29b146bfa8a9eb29472593f9/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br>略<br>※题型：判断题※知识点：判断题※试题难度：较易<br>植物的根尖从顶端向上依次是根冠、分生区、成熟区和伸长区。( )<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/d82cc56754ee4be38f25dd4c4bec271b/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br>略<br>※题型：判断题※知识点：判断题※试题难度：中等<br>侧芽优先于顶芽发育属于顶端优势现象。( )<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ee8d19390f734e53a775153829c612ff/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>藻类、苔藓和蕨类植物依靠<br>繁殖。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ad0ae735ac434a3989d9914ac42390b8/DFF3F79DEF1F7056B43E1B7D8C6B5C9D.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>根的生长一方面要靠<br>增加细胞的数量,一方面要靠<br>细胞体积的增大。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e4d603d7179d4c86ab82bb7c57dc517c/24CB6F03BCE31F65CB9260B2C05C466A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/823078dea82746159a9c690d1d285713/E47AFF432AF387D3D7F37565B3729E26.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>经过传粉和受精作用,雌蕊的发育成果实,发育成种子,果实由果皮和组成。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/32e59ef09c6a44e8992fd433abd16472/D2FE1131FEF6CAEA7DCB34D9D71F518F.png"><br>解析<br>略<br>
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