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【判断题】
微生物杀虫剂包括苏云金杆菌、球状芽孢杆菌和烯虫酯。
A.
正确
B.
错误
题目标签:
微生物杀虫剂
生物杀虫剂
苏云金杆菌
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【判断题】白僵菌是寄生于昆虫的细菌,因此被人类利用作为微生物杀虫剂。( )
A.
对
B.
错
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【简答题】微生物杀虫剂的微生物类型包括( )、( )、( )、( )等4种。
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【单选题】Supporters of the biotech industry have accused an American scientist of misconduct after she testified to the New Zealand government that a genetically modified (GM) bacterium could cause serious dam...
A.
has cancelled its approval for field tests of the GM organism
B.
hasn’’t reviewed the findings of Ingham’’s research
C.
has approved field tests using the GM organism
D.
hasn’’t given permission to field test the GM organism
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【单选题】苏云金杆菌属于( )类生物杀虫剂。
A.
细菌
B.
真菌
C.
病毒
D.
线虫
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【简答题】白僵菌高孢粉是国家林业局推广的高效生物杀虫剂之一,应用于多种林木和农作物害虫的防治。白僵菌分生孢子在寄主表皮、气孔或消化道上,遇适宜条件开始萌发,生出芽管。同时产生脂肪酶、蛋白酶、几丁质酶等溶解昆虫的表皮,通过芽管入侵虫体,在虫体内生长繁殖,消耗寄主体内养分,产生各种毒素,形成大量茵丝和孢子,布满虫体全身。请回答下面的问题: (1)从自然菌样中筛选较理想生产用菌种的一般步骤是:采集菌样→富集培养→...
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【单选题】Supporters of the biotech industry have accused an American scientist of misconduct after she testified to the New Zealand government that a genetically modified (GM) bacterium could cause serious dam...
A.
between American and New Zealand biologists over genetic modification
B.
as to whether the study of genetic modification should be continued
C.
over the possible adverse effect of a GM bacterium on plants
D.
about whether Elaine Ingham should be fired by her university
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【简答题】微生物杀虫剂防治害虫的优点有 、 、 、 、 、 。
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【单选题】Supporters of the biotech industry have accused an American scientist of misconduct after she testified to the New Zealand government that a genetically modified (GM) bacterium could cause serious dam...
A.
evidence provided by the EPA of the United States
B.
the results of an experiment she conducted herself
C.
evidence from her collaborative research with German biologists
D.
the results of extensive field tests in Corvallis, Oregon
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【单选题】( )属于高效低毒的生物杀虫剂。
A.
多菌灵
B.
异丙威
C.
棉铃虫多角体病毒
D.
糖醋液
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【单选题】Supporters of the biotech industry have accused an American scientist of misconduct after she testified to the New Zealand government that a genetically modified (GM) bacterium could cause serious dam...
A.
between American and New Zealand biologists over genetic modification
B.
as to whether the study of genetic modification should be continued
C.
over the possible adverse effect of a GM bacterium on plants
D.
about whether Elaine Ingham should be fired by her university
查看完整题目与答案