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"豆天蛾"相关考试题目
1.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
2.
豆天蛾调查的常用方法是()。
3.
()是豆天蛾的一般调查方法。
4.
豆天蛾是一种危害大豆的害虫,下面是它发育过程中的四个时期的形态图。在其生活史中对大豆危害最大的时期是A B C D
5.
豆天蛾是一种危害大豆的害虫,在其生活史中对大豆危害最大的时期是( )
6.
如图为豆天蛾的发育过程示意图.与此不同的生物是( )
7.
豆天蛾对农业的危害很大,消灭它的最佳时期是成虫。[ ]
8.
选种抗虫品种,在种植大豆时,选用成熟晚、秆硬、皮厚、抗涝性强的品种,可以减轻豆天蛾的危害。()
9.
豆天蛾主要为害大豆,也能为害()。
10.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
11.
豆天蛾的调查可以分为田间定点调查、()。
12.
下图为豆天蛾的发育过程示意图。与此不同的生物是( )
13.
豆天蛾是一种危害大豆的害虫,它的发育过程中要经历四个时期,在其生活史中对大豆危害最大的时期是()
14.
豆天蛾是一种危害大豆的一种害虫,它的发育与家蚕的发育相同。豆天蛾的发育要经过、、、四个时期。针对豆天蛾的生活史,消灭豆天蛾的最佳时期是。与豆天蛾相比,蝗虫不经过的发育时期是。
15.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
16.
豆天蛾是一种危害大豆的害虫,下面是它发育过程中的四个时期的形态图。在其生活史中对大豆危害最大的时期是 [ ]
17.
【名词解释】豆天蛾
18.
与下图豆天蛾的生活史不同的生物是( )
19.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night.The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding suggest...
20.
豆天蛾以幼虫取食大豆叶,低龄幼虫吃成网孔和缺刻,高龄幼虫食量增大,严重时,可将豆株吃成光杆,使之不能结荚。
21.
选种抗虫品种,在种植大豆时,选用成熟晚、秆硬、皮厚、抗涝性强的品种,可以减轻豆天蛾的危害。
22.
豆天蛾的调查方法一般分为大田普查和()。
23.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
24.
【名词解释】豆天蛾
25.
豆天蛾主要为害大豆,也能为害()。
26.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
27.
豆天蛾的调查可以分为田间定点调查、()。
28.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
29.
豆天蛾的调查方法一般分为大田普查和()。
30.
能正确表示豆天蛾生活史的图解是[ ]
31.
豆天蛾是一种危害大豆的害虫,根据它发育过程中的四个时期的形态,回答下列问题.(1)豆天蛾的发育顺序是______→______→______→______,它的发育属于______发育.(2)与豆天蛾相比,蝗虫不经过的发育时期是______.
32.
豆天蛾以幼虫取食大豆叶,低龄幼虫吃成网孔和缺刻,高龄幼虫食量增大,严重时,可将豆株吃成光杆,使之不能结荚。()
33.
()是豆天蛾的一般调查方法。
34.
豆天蛾调查的常用方法是()。
35.
豆天蛾成虫白天隐藏在()田里。
36.
()是豆天蛾的一般调查方法。
37.
豆天蛾是一种危害大豆的害虫,在其生活史中对大豆危害最大的时期是( )
38.
A nocturnal(夜间活动的)moth has become the first animal known to see colours in the dead of night. The moth uses this visual talent to find yellow, nectar-packed flowers in the dark, but the finding sugges...
39.
豆天蛾对农业的危害很大,消灭它的最佳时期是成虫.______.
40.
南方豆天蛾卵期()的寄生率可达50%,越冬幼虫()的寄生率可达70%
41.
豆天蛾是一种危害大豆的害虫,下面是它发育过程中的四个时期的形态图。在其生活史中对大豆危害最大的时期是[ ]
42.
能正确表示豆天蛾生活史的图解是( )