admins 发表于 2021-8-18 22:48:29

2.1.1生物生存的环境2021-2022学年生物苏科版七年级上册随堂小测

※题型：单选题※知识点：单选题※试题难度：较易<br>今春与往年同期相比气温偏低,造成冬小麦的成熟比往年明显滞后,你认为影响冬小麦发育迟缓的非生物因素主要是(&nbsp;&nbsp;)<br>A.阳光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.水分&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.空气&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.温度<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/1225393401FFB9C9D373B70BDB2C003E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>菊花为短日照植物,在短日照下能提早开花。某一品种的菊花通常在深秋开花,若使其在夏季开花,应采取的关键措施是在适当时期(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br>A.补充光照,使光照时间延长&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.适当多浇水<br>C.适当提高温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.遮光,使光照时间缩短<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/757CA7BC01ACC92D19DABF265901C029.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>大雨过后,蚯蚓会从洞中爬到地面上。引起这一现象最主要的环境因素是(&nbsp;&nbsp;)<br>A.温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.阳光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.水分&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.氧气<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/FC997632E3B58B186E614A7DD9504F7D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各项均是影响沙漠植物的环境因素,其中起主要作用的是(&nbsp;&nbsp;)<br>A.阳光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.水分&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.空气<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C827F2E811CCF2266AA7943F8DB58367.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列现象体现出生物因素影响生物生活的是(&nbsp;&nbsp;&nbsp;)<br>A.小麦、玉米等植物只有在阳光下才能生长的好<br>B.有些动物在繁殖期间,雄性为争夺雌性个体而相互争斗<br>C.山七在背阳向阴的环境中生长得好<br>D.香蕉、菠萝不易在北方栽种<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/E6F5588D02E7E943DAB712BDB6B42C97.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>“大鱼吃小鱼,小鱼吃虾米”反映的生物与生物之间的关系是(&nbsp;&nbsp;&nbsp;)<br>A.合作&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.捕食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.竞争&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.寄生<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0f8d3014c37d4c56a30ea2b259c170cb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f0a8884dc1a545fd8e5a5d0ca01f1274/C6FBFD966049DAA253E3FF626882900C.png"><br><br>※题型：连线题※知识点：连线题※试题难度：中等<br>连线题:(1)老虎吃野猪&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A、互助(2)企鹅相互喂食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、竞争关系(3)田里的水稻和杂草&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、捕食关系<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/82317E4A793E888A410808E863C34652.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/860E24BE1E6DC11EC7015E0D9B6BC50D.png"><br><br>
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