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Nature breeding(自然选育)(名词解释)

Nature breeding(自然选育)(名词解释)

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更多“ Nature breeding(自然选育)(名词解释)”相关的问题
第1题
Strain breeding(菌种选育)(名词解释)
Strain breeding(菌种选育)(名词解释)

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第2题
From the passage we understand that conventional plant breeding produced ______.A.a potato

From the passage we understand that conventional plant breeding produced ______.

A.a potato-tomato hybrid

B.new plant technology

C.self-fertilizing plants

D.less dramatic results than the new technology

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第3题
That genetically modified crops could have harmful effects can be deduced from the fact th
at ______.

A.gene movement between cultivated plants and wild ones is inevitable

B.new research shows that genetically modified plants are likely to develop into weeds

C.cross-breeding is a natural process

D.hybrids are generally more successful at breeding than natural plants

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第4题
系统育种和杂交育种都是人工创造变异从中选育新品种的有效方法。()
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第5题
下列教科研机构中,选育切花菊品种较多的单位是()

A.浙江省农业科学院

B.浙江大学

C.南京农业大学

D.上海交通大学

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第6题
A.not only the acts of natureB.not only the nature of actsC.not only acts of the natur

A.not only the acts of nature

B.not only the nature of acts

C.not only acts of the nature

D.not the only acts of nature

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第7题
选育不育系时,用进化阶段高的作母本,进化阶段低的作父本进行杂交,后代容易获得不育系。()
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第8题
合成系选育:是指两个或两个以上来源不同,但有相似生产性能水平和遗传特征的系群(可以是纯系,也可以是祖代或父母代等),杂交后形成的种群,经选育后可用于杂交配套。()

此题为判断题(对,错)。

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第9题
In all cultures, women are generally seen_________to nature than men. A. as cl

In all cultures, women are generally seen _________to nature than men.

A. as close

B. closer

C. as closely

D. closely

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第10题
Only when we live in______with nature can we make the most out of it.A.cooperationB.intera

Only when we live in______with nature can we make the most out of it.

A.cooperation

B.interaction

C.integration

D.harmony

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第11题
B.F. Skinner______.A.supports the nature theory.B.thinks the environment plays an importan

B.F. Skinner______.

A.supports the nature theory.

B.thinks the environment plays an important role in determining character

C.believes instincts govern behavior

D.believes in the importance of genes in determining personality

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