欢迎来到天天文库
浏览记录
ID:10859693
大小:3.30 MB
页数:110页
时间:2018-07-08
《微生物发酵工程试题库》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、微生物发酵工程试题库目录目录·······························································1一、单项选择题共39题·············································2答案··························································5二、多项选择题共38题············································6答案······································
2、··················10三、填空共48题·················································11答案·························································13四、名词解释110共299个·············································14答案··························································22五、简答题共89题····················
3、···························55答案·························································59六、论述题共29题···············································84答案·························································84试题库说明·····················································109110微生物发酵工程试题库一、单项选择题1.
4、一类单细胞有分枝的丝状微生物,以孢子繁殖,分布广泛大多是腐生菌,少数是动植物寄生菌,是抗生素的主要产生菌,2/3以上抗生素由该类菌产生。这类微生物是:A.细菌B.霉菌C.放线菌D.酵母菌2.分离放线菌时为了抑制霉菌的生长往往加入A.氯化钠B.丁酸钠C.丙酸钠D.硫酸钠3.用液氮长期保藏菌种是因为液氮温度可达(),远远低于微生物新陈代谢作用停止的温度。A.-1800CB.-1700CC.-1600CD.-1960C4.在微生物发酵工程中利用乳酸杆菌生产乳酸的发酵属于()。A.好气性发酵B.厌气性发酵C.兼性发酵D.好厌间歇发酵5.配料较粗,营养丰富,完全,C/N合适,原料来源充足
5、,质优价廉,成本低,有利于大量积累产物。这些是()的一般特点。A.选择培养基B.保藏培养基C.种子培养基D.发酵培养基6.()是一类微生物维持正常生长不可缺少的,但自身不能合成的微量有机化合物。A.生长因素B.碳源C.氮源D.微量元素7.生物反应器间歇操作,在发酵过程中,不断进行通气(好氧发酵)和为调节发酵液的pH而加入酸碱溶液外,与外界没有其它物料交换。这种培养方式操作简单,是一种最为广泛使用的方式,称之为()。A.连续发酵B.半连续发酵C.补料分批发酵D.分批发酵8.要求发酵设备现代化程度高、体系内营养物浓度和产物浓度始终一致、菌种容易发生变异的问题无法解决这种发酵方式是(
6、)。A.连续发酵B.分批发酵C.补料分批发酵D.半连续发酵9.厌氧发酵罐一般为立式圆柱形,装料系数为()。110A.0.8-0.9B.0.6-0.8C.0.5-0.8D.0.5-0.910.菌体的倍增时间是()增加一倍所需要的时间。A.细胞质量B.菌体浓度C.菌体种类D.呼吸强度11.该类微生物名称不是分类学上的名词,是一些丝状真菌的通称.,分布极广;在工业上可以利用该类微生物生产有机酸、糖化酶、蛋白酶等。大多能够引起有机物质发生变质。这类微生物是()。A.细菌B.霉菌C.放线菌D.酵母菌12.分离一般细菌时为了抑制霉菌和酵母菌的生长往往加入()。A.链霉素和氯霉素B.青霉素和
7、链霉素C.氯霉素和青霉素D.放线酮和制霉菌素13.矿油保藏法是将灭过菌的液体石蜡倒入菌体生长斜面,高于斜面1cm,然后置于冰箱保藏。该保藏法是基于()原理进行的。A.缺氧B.低温C.干燥D.冷冻14.在微生物发酵工程中利用梭状芽孢杆菌生产丙酮丁醉的发酵属于()。A.好气性发酵B.厌气性发酵C.兼性发酵D.好厌间歇发酵15.发酵过程中,出现了污染,工人们进行了如下处理:a.严控发酵液流失;b.彻底清理生产环境;c.停产一段时间;d.调换生产菌种。这是()污染。A.噬菌体污染B.细菌污染C.霉菌
此文档下载收益归作者所有