[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9sQWpxrq8mPOI6ZaTCBhLsKktxqxy-6J27FvjB16RJA":3},{"id":4,"source":5,"question":6,"options":7,"answer":11,"related":12,"type":17,"origin":108,"createTime":19},247213560,"v1","检测微生物活菌数通常采用( )",[8,9,10],"稀释平板法","滤膜培养法","稀释培养法",[],[13,20,30,40,50,60,69,78,88,98],{"id":4,"source":5,"question":6,"options":14,"answer":15,"related":16,"type":17,"origin":18,"createTime":19},[8,9,10],[],[],0,null,"2025-12-02T00:20:07+08:00",{"id":21,"source":5,"question":22,"options":23,"answer":28,"related":29,"type":17,"origin":18,"createTime":19},247213561,"直接显微镜计数用来测定下面所有微生物群体的数目,除了( )之外",[24,25,26,27],"原生动物","真菌孢子","细菌","病毒",[],[],{"id":31,"source":5,"question":32,"options":33,"answer":38,"related":39,"type":17,"origin":18,"createTime":19},247213562,"发酵工业上为了提高设备利用率,经常在( )放罐以提取菌体或代谢产物",[34,35,36,37],"延滞期","对数期","稳定期末期","衰亡期",[],[],{"id":41,"source":5,"question":42,"options":43,"answer":48,"related":49,"type":17,"origin":18,"createTime":19},247213563,"所有微生物世代时间在( )",[44,45,46,47],"不同","在30分钟之内","为3 h","为12 h",[],[],{"id":51,"source":5,"question":52,"options":53,"answer":58,"related":59,"type":17,"origin":18,"createTime":19},247213564,"微生物处于稳定生长前期时( )",[54,55,56,57],"细胞分裂速率增加","细胞分裂速度降低","群体是在其最旺盛壮健的阶段","群体是在其最少的阶段",[],[],{"id":61,"source":5,"question":62,"options":63,"answer":67,"related":68,"type":17,"origin":18,"createTime":19},247213565,"中温型微生物生长的最适温度范围为:( )",[64,65,66],"(20-40)℃","(25-37)℃","(35-40)℃",[],[],{"id":70,"source":5,"question":71,"options":72,"answer":76,"related":77,"type":17,"origin":18,"createTime":19},247213566,"黑曲霉在pH2-3的环境下发酵蔗糖:( )",[73,74,75],"主要积累草酸","主要积累柠檬酸","主要积累乙酸",[],[],{"id":79,"source":5,"question":80,"options":81,"answer":86,"related":87,"type":17,"origin":18,"createTime":19},247213567,"专性厌氧微生物是由于其细胞内缺少( ),从而不能解除分子氧对细胞的毒害",[82,83,84,85],"BOD","COD","NOD","SOD",[],[],{"id":89,"source":5,"question":90,"options":91,"answer":96,"related":97,"type":17,"origin":18,"createTime":19},247213568,"在下面哪种条件下,肉毒梭菌可能产生毒素( )",[92,93,94,95],"pH 4.5-6, 好氧,37℃","pH 7.5-7.8,厌氧,30℃","pH 4.5-7,厌氧,37℃","pH 3.5,好氧,30℃",[],[],{"id":99,"source":5,"question":100,"options":101,"answer":106,"related":107,"type":17,"origin":18,"createTime":19},247213569,"微生物细胞内部的pH值( )",[102,103,104,105],"与外部环境的pH值相同","近酸性","近碱性","近中性",[],[],{"courseName":109,"courseImg":110,"workName":111,"workId":112,"count":113,"courseId":114},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","第六章","work_48735478",44,"53e1d2ef4961cca8eea3e23969ad2cb9"]