大学MOOC Crop Cultivation(Sichuan Agricultural University)1461333168 最新慕课完整章节测试答案

Chapter 1 Week 1 Unit test

1、单选题：
‌The objective of crop cultivation are‏
选项：
A: A. The relationship between crops and the environment  
B: B. The relationship between crops and management
C: C. The relationship between crops, environment and management
D: D. The relationship between environment and management
答案: 【 C. The relationship between crops, environment and management 】

2、单选题：
‏ The diversity of plants combined with environmental and socio-economic conditions constitute the characteristics of crop cultivation.‍
选项：
A: A. Seasonal
B: B. Regional
C: C. Complexity
D: D. Volatility
答案: 【 C. Complexity 】

3、单选题：
​The general process of crop growth, follow a ‍
选项：
A: A, S-shaped curve
B: B, bell-shaped curve
C: C, parabola
D: D, dumbbell-shaped curve
答案: 【 A, S-shaped curve】

4、单选题：
‏The leaf area index can be defined as the​
选项：
A: A, green leaf area/yellow leaf area
B: B, land area/leaf area
C: C. Total green leaf area/land area
D: D, yellow leaf area/green leaf area
答案: 【 C. Total green leaf area/land area 】

5、单选题：
‏The following are long-day crops‌
选项：
A: A, soybean
B: B, late rice
C: C, tobacco
D: D, rapeseed
答案: 【 D, rapeseed】

6、单选题：
‏The spring wheat varieties are supposed to introduced from southern of China to northern China, and which phenomenon will often occurs. ​
选项：
A:  A. Early heading or freezing damage
B: B. Early heading or no heading
C: C. Late heading or freezing damage     
D: D. Late heading or no heading
答案: 【  A. Early heading or freezing damage 】

7、单选题：
‎Wheat grains are called caryopsis in botany, and they are composed of embryo, and endosperm.‏
选项：
A: A seed coat
B: B cortex
C: C fruit skin
D: D aleurone layer
答案: 【 B cortex 】

8、单选题：
‌The three base points of temperature refer to‌
选项：
A: A, the lowest, optimal and the ceiling temperatures
B: B, the lowest, the second lowest and the ceiling temperatures
C: C, the lowest sub-high and t the ceiling temperatures
D: D, the lowest, the ceiling, and the average temperatures
答案: 【 A, the lowest, optimal and the ceiling temperatures】

9、单选题：
‍The adaptation temperature range of crops usually showing that​
选项：
A: A. Maintain life＞growth＞development
B: B. Maintain life＞development＞growth
C: C. Growth＞Development＞Maintain life
D: D.Maintain life＞Growth=development
答案: 【 A. Maintain life＞growth＞development】

10、单选题：
​Which of the following soil structures is most conducive to crop growth?‌
选项：
A: A. Microaggregate structure
B: B. Agglomerate structure
C: C. Block structure
D: D. Sheet structure
答案: 【 B. Agglomerate structure 】

11、单选题：
‏Among the following crops, which one is the short-day crop‍
选项：
A: A. Rape
B: B. Rice
C: C. Sugarcane
D: D. Buckwheat
答案: 【 B. Rice 】

12、单选题：
‎Which crops belongs to monocots plants.​
选项：
A: A. Wheat, rice, corn, barley
B: B. Cotton, rice, wheat, rape    
C: C. Tobacco, ramie, rape, cotton
D: D. Sugar cane, oats, soybeans, peanuts
答案: 【 A. Wheat, rice, corn, barley 】

13、单选题：
‏The crop growth analysis is a method according to the law of . ‌
选项：
A: A. Spike differentiation and flower bud differentiation
B: B. Dry matter accumulation and leaf area formation
C: C. Quality formation
D: D. Yield formation
答案: 【 B. Dry matter accumulation and leaf area formation】

14、判断题：
‌Late-maturing varieties have fewer leaves than early-maturing varieties.​
选项：
A: 正确
B: 错误
答案: 【 错误】

15、判断题：
‏The minimum temperature for seed germination for both wheat and rice have the same requirements. ‌
选项：
A: 正确
B: 错误
答案: 【 错误】

16、判断题：
‍The influence of crops on the soil is dual, that is, it consumes soil nutrients on the one hand and destroys the soil structure on the other. ​
选项：
A: 正确
B: 错误
答案: 【 错误】

17、判断题：
‍Dormancy is an adaptation of crops to a stress environment. ‎
选项：
A: 正确
B: 错误
答案: 【 正确】

18、判断题：
‎The assimilation transportation capacity of C4 crop is higher than that of C3 crop. ​
选项：
A: 正确
B: 错误
答案: 【 正确】

19、判断题：
‍ Leaves are the only organ for photosynthesis. ‏
选项：
A: 正确
B: 错误
答案: 【 错误】

20、判断题：
‎Cereal crops generally have tillering characteristics. ‎
选项：
A: 正确
B: 错误
答案: 【 错误】

21、判断题：
‌Maintaining a high root-shoot ratio throughout the life history of crops is the basis for high yield and quality.​
选项：
A: 正确
B: 错误
答案: 【 正确】

22、判断题：
​The high-yielding crop population structure requires the larger storage capacity.‌
选项：
A: 正确
B: 错误
答案: 【 错误】

Chapter 10 Week 10 Unit test

1、单选题：
‎The longest period in the life history of winter rape is ‍
选项：
A: A, emergence stage
B: B, seedling stage
C: C, bud moss stage
D: D, flowering stage
答案: 【 B, seedling stage 】

2、单选题：
​Among the following regions, which are spring rapeseed production region ‍
选项：
A: A. Upper Yangtze River
B: B, Middle Yangtze River
C: C, Lower Yangtze River
D: D, North China
答案: 【 D, North China】

3、单选题：
‍The planting area of rapeseed in my country in recent years is about ‍
选项：
A: A, 5 million hectares
B: B, 6 million hectares
C: C, 7 million hectares
D: D, 8 million hectares
答案: 【 C, 7 million hectares 】

4、单选题：
‏At present, the oil content of rapeseed varieties in my country is generally ‌
选项：
A: A, around 30%
B: B, around 40%
C: C, around 50%
D: D, around 60%
答案: 【 B, around 40% 】

5、单选题：
‎which one is a typical cross-pollinated crop‍
选项：
A: A, wheat
B: B, Brassica napus
C: C.Brassica campestris L
D: D, Mustard rape
答案: 【 C.Brassica campestris L】

6、单选题：
‎ The origin center of Brassica napus is ​
选项：
A: A, China
B: B, India
C: C, Europe
D: D, Africa
答案: 【 C, Europe 】

7、单选题：
‎which organ growing on the elongated stem of Brassica napus ‎
选项：
A: A, cotyledons
B: B, long-petiole leaves
C: C, short-petiole leaves
D: D, sessile leaves
答案: 【 C, short-petiole leaves】

8、单选题：
‏At present, the average yield of rapeseed produced in Sichuan is ​
选项：
A: A. 100-120kg/mu right
B:    B. 150-180kg/mu
C: C.200-220kg/mu
D:  D. 250-280kg/mu
答案: 【    B. 150-180kg/mu】

9、单选题：
​ In each growth stage of rapeseed, the reproductive growth dominates at ‎
选项：
A: A, seedling stage
B: B, bud moss stage
C: C, flowering stage
D: D, silique mature stage
答案: 【 D, silique mature stage】

10、单选题：
‎Among the pests in rapeseed field, the most important spreaders of virus diseases are ‏
选项：
A: A, aphids
B: B, Pieris rapae
C: C, jumping beetles
D: D, leaf miners
答案: 【 A, aphids 】

11、单选题：
‌The sequence of rape flower bud differentiation is ‌
选项：
A: A. Main stem, primary branch, secondary branch     
B: B, primary branch, secondary branch, main stem
C: C. Secondary branching, primary branching, main stem
D: D, simultaneous differentiation
答案: 【 A. Main stem, primary branch, secondary branch     】

12、单选题：
​Rapeseed is a crop that needs more water, and the critical period for water requirement is ‌
选项：
A: A, emergence period
B: B, seedling period
C: C, bolting and flowering period
D:  D, silique development period
答案: 【 C, bolting and flowering period 】

13、单选题：
‎ Among the characteristics of rapeseed fertilizer requirement, the critical period of nitrogen requirement is ‍
选项：
A: A. Sowing to emergence stage
B: B. Seedling stage to budding stage
C: C, bud moss stage to initial flowering stage
D: D, declining flowering stage to mature stage
答案: 【 C, bud moss stage to initial flowering stage 】

14、单选题：
‎For the growth period of different rapeseed species, the growth period of Brassica napus is longer, about ​
选项：
A: A, 130-150 days
B: B, 150-170 days
C: C, 160-200 days
D: D, 170-230 days
答案: 【 D, 170-230 days】

15、单选题：
‌The period when rape has the highest absorption ratio of potassium is at ‌
选项：
A: A, seedling stage
B: B, bud moss stage
C: C, flowering stage
D: D, silique development stage
答案: 【 B, bud moss stage 】

16、单选题：
‌ According to the Regional Layout Plan of National Rapeseed Superior (2008-2015), the dominant rapeseed area in my country is‏
选项：
A: A. Upper Yangtze River
B: B, North
C: C, Middle Yangtze River
D: D, Lower Yangtze River
答案: 【 C, Middle Yangtze River 】

17、单选题：
‍The most serious disease in rapeseed production in the Yangtze River Basin is ‍‍
选项：
A: A, virus disease
B: B, downy mildew
C: C, powdery mildew
D: D, sclerotia
答案: 【 D, sclerotia】

18、单选题：
​The main photosynthetic organs of rapeseed after flowering are ‌
选项：
A: A. Green main stem
B: B. Green silique
C: C. Green branches
D: D. Green leaves
答案: 【 B. Green silique】

19、单选题：
‌ The following are not part of the more common pests in the winter rapeseed region ‏
选项：
A: A, aphids
B: B Pieris rapae
C: C, leaf miners
D: D, jumping beetles
答案: 【 D, jumping beetles】

20、单选题：
‎It is generally believed that the origin of Brassica campestris L is ‌
选项：
A: A, Europe
B: B, North america
C: C, China
D: D Africa
答案: 【 C, China 】

21、单选题：
‎The shrunken stems of Brassica napus are generally not elongated, and which leaves growing on shrunken leaves ‎
选项：
A: A, cotyledons
B: B, long-petiole leaves
C: C, short--petiole leaves
D: D, sessile leaves
答案: 【 B, long-petiole leaves】

22、单选题：
‍The types of main stem leaves of rapeseed can be divided into three types. The largest stem leaf area of rapeseed is ‍‍
选项：
A: A, cotyledons
B: B, long-petiole leaves
C: C, short-petiole leaves
D: D, sessile leaves
答案: 【 C, short-petiole leaves】

23、单选题：
​Among the components of rapeseed yield, the thousand-seed weight has the smallest change, and the general variation is‏
选项：
A: A, 5% or less
B: B, 10% or less
C: C, 15% or less
D: D, 20% or less
答案: 【 A, 5% or less 】

24、单选题：
​The range of sowing period for transplanting rapeseed in winter rapeseed region in southern China is ​
选项：
A: A. Mid-August-Late
B: B, Mid-September-Late
C: C, Mid-October-Late
D: D, Mid-November-Late
答案: 【 B, Mid-September-Late】

25、单选题：
​According to China's 2001 standard, the erucic acid content of canola seeds should be lower than ‎
选项：
A: A, 1%
B: B, 3%
C: C, 3%
D: D, 3%
答案: 【 B, 3%】

26、单选题：
‍The suitable harvest period for rape stalks or mechanical swathing is ‍‎
选项：
A: A. Green mature period
B: B, complete mature period
C: C, over mature period
D: D, yellow mature period
答案: 【 D, yellow mature period】

27、单选题：
‎The temperature requirements of winter rapeseed varieties are ‌
选项：
A: A, 0-5℃, 15-45 days
B: B, 5-10℃, 15-45 days
C: C, 10-15℃, 15-45 days
D: D, 15-20℃, 15-45 days
答案: 【 A, 0-5℃, 15-45 days】

28、单选题：
‍At present, the rapeseed species with the largest proportion of growth area in the Yangtze River Basin is ‍
选项：
A: A, conventional rape
B: B, hybrid rape
C: C, high erucic acid rape
D: D, yellow seed rape
答案: 【 B, hybrid rape】

29、单选题：
‌The main photosynthetic organs of rape after flowering are‏
选项：
A: A. Green main stem
B: B. Green silique
C: C. Green branches
D: D. Green leaves
答案: 【 B. Green silique 】

Chapter 2 Week 2 Unit test

1、单选题：
​Which process belongs to the development of crops‌
选项：
A: A. Root growth
B: B. Stem growth
C: C. Leaf growth
D: D.Young spike differentiation
答案: 【 D.Young spike differentiation】

2、单选题：
​ The following is not a necessary condition for seed germination is ‎
选项：
A: A, light
B: B, temperature
C: C, moisture
D: D, oxygen
答案: 【 A, light 】

3、单选题：
‍ The general process of crop growth, follow a ‌
选项：
A: A, S-shaped curve
B: B, bell-shaped curve
C: C, parabola
D: D, dumbbell-shaped curve
答案: 【 A, S-shaped curve】

4、单选题：
‌The leaf area index can be defined as the‍
选项：
A: A, green leaf area/yellow leaf area
B: B, land area/leaf area
C: C. Total green leaf area/land area
D: D, yellow leaf area/green leaf area
答案: 【 C. Total green leaf area/land area 】

5、单选题：
‍ The following are long-day crops‏
选项：
A: A, soybean
B: B, late rice
C: C, tobacco
D: D, rapeseed
答案: 【 D, rapeseed 】

6、单选题：
‌The spring wheat varieties are supposed to introduced from southern of China to northern China, and which phenomenon will often occurs. ‌
选项：
A: A. Early heading or freezing damage
B: B. Early heading or no heading
C: C. Late heading or freezing damage
D: D. Late heading or no heading
答案: 【 A. Early heading or freezing damage 】

7、单选题：
‎Wheat grains are called caryopsis in botany, and they are composed of embryo,      and endosperm.‌
选项：
A:     A seed coat
B: B cortex
C: C fruit skin
D: D aleurone layer
答案: 【 B cortex 】

8、单选题：
‌The three base points of temperature refer to ‍​
选项：
A: A, the lowest, optimal and the ceiling temperatures
B: B, the lowest, the second lowest and the ceiling temperatures
C: C, the lowest sub-high and t the ceiling temperatures
D: D, the lowest, the ceiling, and the average temperatures
答案: 【 A, the lowest, optimal and the ceiling temperatures】

9、单选题：
‌The adaptation temperature range of crops usually showing that ‎
选项：
A: A. Maintain life＞growth＞development
B: B. Maintain life＞development＞growth
C: C. Growth＞Development＞Maintain life
D: D.Maintain life＞Growth=development
答案: 【 A. Maintain life＞growth＞development】

10、单选题：
​Which of the following soil structures is most conducive to crop growth? ‎
选项：
A: A. Microaggregate structure
B: B. Agglomerate structure
C: C. Block structure
D: D. Sheet structure
答案: 【 B. Agglomerate structure 】

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