2020-2021学年生物冀少版八年级下册随堂检测（3）人的生殖和胚胎发育
※题型：单选题※知识点：单选题※试题难度：较易<br>男性生殖系统中的主要器官是( )<br>A.睾丸 B.阴茎 C.前列腺 D.输精管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/26dd93eabe0a400c89029623ddcf0aa3/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列器官中具有贮存和输送精子作用的是( )<br>A.睾丸 B.附睾 C.输精管 D.精囊腺<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/E003BD728971EF96F90BA77E51FBBDC4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>女性生殖系统中主要的性器官是( )<br>A.子宫 B.输卵管 C.卵巢 D.阴道<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7a713ed64fa6497bb6dc9aae4d370aa4/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6ece49f635dd4c9f9678afa783474350/5AABFEEF4D885D3CD0BFA248929B3517.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>胎儿与母体进行物质交换的结构是( )<br>A.脐带 B.胎盘 C.胚盘 D.输卵管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/81b933d0a3784cf6acf3bad29817613b/CFD11B39D2C70E3BAFF53A76B86BA12A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/1f164b6ded164e3280510d5d5a91fac4/23A3CEE8E4297D2F385F2ABCF0ED548D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>生命是宝贵的,人类新生命的起点是( )<br>A.受精卵 B.精子 C.卵细胞 D.婴儿出生<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/3e3e6933a3d84baeaaef3a65116e6acd/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/01d6694e44484901ae23772fb920b6e3/092A0E46C388AF291C32EA542B1EE36E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>胚胎大约在母体子宫内发育( )<br>A.360天 B.280天 C.300天 D.8周<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ca3cf27f101c43f582ebbceb691057a3/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f4a2d9086dc04e2fa403399d59b60b2a/6E6BC395BC24225D68B0BFF438271890.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>如图为女性生殖系统图,并表示排卵、受精等过程,请分析回答:<img src="https://picture1.zhihuicn.com/2/7823C9161BF7F1CF9F2777650D936EA1.png"><br>style="VERTICAL-ALIGN:middle">1.卵细胞成熟后,由[]排出,经[]输送出去,精子进来在此与卵细胞结合,形成受精卵。<br>2.受精卵发育成胚胎,在 内继续发育成熟,胎儿从[]阴道产出。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/1DE51ACF72DDFD6B11712665FBAD1E79.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/803FCE4F7B7CC9CF82721611F6EB2D0C.png"><br><br>
页:
[1]