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"授粉"相关考试题目
1.
原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用()。
2.
蜜蜂授粉的时间一般应安排在（）期，在放蜂期间，要禁止使用（），以免杀死蜜蜂，影响授粉效果
3.
Scientists at Royal Holloway, University of London and Queen Mary, University of London have discovered that bees learn to fly the shortest possible route between flowers even if they discover the flo...
4.
在没有授粉的番茄柱头上，涂抹一定浓度的生长素溶液，所得到的无籽果实，其染色体数是
5.
对于原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用混合-单株选择法。( )
6.
American beekeeping operations have been hit hard by what scientists call Colony Collapse Disorder. Almost half of their worker bees have disappeared during the past season. C.C.D. has also been repor...
7.
对于原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用混合－单株选择法。
8.
It"s well known that big animals, like polar bears, are sensitive to climate change. The Earth warms, polar ice 1 , and the bears are out of luck. The same goes for tigers, sea lions, elephants. A...
9.
【名词解释】人工辅助授粉
10.
[名词解释] 异花授粉植物
11.
对于原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用混合-单株选择法。( )
12.
异花授粉(名词解释)
13.
有效授粉期
14.
花期较高的湿度有利于枣花授粉受精、坐果。()
15.
自花授粉
16.
壁蜂授粉常用的巢管有
17.
自花授粉的作物有（）。
18.
果树授粉的方法有
19.
【名词解释】多次重复授粉法
20.
花期较高的湿度有利于枣花授粉受精、坐果（）
21.
A remarkable variety of insects live in this planet. More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million years, and may posse...
22.
越冬番茄栽培中，保护设施内温度较低，光照较弱，易影响番茄的正常授粉受精，导致落花落果
23.
风媒花：风：授粉（）
24.
离体授粉
25.
辅助授粉的作用包括()。
26.
枣树座果率低的主要原因是授粉受精不良。
27.
[名词解释] 离体授粉：
28.
向日葵和番茄都能产生果实和种子，向日葵的果实就是平时我们吃的“瓜子”。在上述两种植物开花期间，遇到了连续的阴雨天，影响了植物的授粉。管理人员及时喷洒了一定浓度的生长素。下列叙述正确的是 [ ]
29.
Translate the follow passage: Introduction The term genetically modified organism (GMO3s) refers to plants, microbes and animals with genes transferred from other species in order to produce certain n...
30.
A remarkable variety of insects live in this planet. More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million years, and may posse...
31.
马铃薯为（）授粉作物，花序为（）。
32.
花期较低的湿度有利于枣花授粉受精、坐果（）
33.
A remarkable variety of insects live in this planet. More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million years, and may posse...
34.
异花授粉蔬菜的花没有两性花。
35.
对于原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用混合-单株选择法。
36.
向日葵和番茄都能产生果实和种子，向日葵的果实就是平时我们吃的“瓜子”。在上述两种植物开花期间，遇到了连续的阴雨天，影响了植物的授粉。管理人员及时喷洒了一定浓度的生长素。下列叙述正确的是 [ ]
37.
李子授粉受精最适宜的温度为（）℃
38.
It"s well known that big animals, like polar bears, are sensitive to climate change. The Earth warms, polar ice 1 , and the bears are out of luck. The same goes for tigers, sea lions, elephants. A...
39.
A remarkable variety of insects live in this planet. More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million years, and may posse...
40.
A remarkable variety of insects live in this planet. More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million years, and may posse...
41.
什么叫授粉？授粉的类型？
42.
原始群体性状差异不大的异花授粉园林植物，实生选种时一般采用()。
43.
[名词解释] 有效授粉期
44.
有性繁殖的主要授粉方式?
45.
对于原始群体性状差异较大的异花授粉园林植物，实生选种时一般采用混合－单株选择法。
46.
【名词解释】人工授粉
47.
It"s well known that big animals, like polar bears, are sensitive to climate change. The Earth warms, polar ice 1 , and the bears are out of luck. The same goes for tigers, sea lions, elephants. A...
48.
异花授粉
49.
辣椒雌蕊在开花前2天到开花后2天均具有受精能力，但以开花当天结果率最高，所以，辣椒杂交制种上均采用蕾期去雄、花期授粉的方式。
50.
为提高果树的座果率，可以采用配置授粉树和人工授粉的方法
