2020 食品分析(浙江大学) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-12-31到2021-02-25

第一章 绪论 第一章绪论 测验

小提示:本节包含奇怪的同名章节内容

1、 问题:What is the main content of food analysis?
选项：
A:Nutritional Ingredients
B:Food Additives
C:Food Contamination  
D:Food Sensory Evaluation
答案: 【Nutritional Ingredients】

2、 问题:Special instrument analysis technologies do not include:
选项：
A:Oven
B:Food fiber pumping equipment
C:Lipid analyzer
D:pH meter
答案: 【Oven】

3、 问题:What is the role of food analysis? 
选项：
A: Food producer
B:Food regulator
C:Food consumer
D:Food developer
答案: 【 Food producer;
Food regulator;
Food consumer;
Food developer】

4、 问题:What is the development trend of food analysis?
选项：
A:Laboratory modern instrument analysis technology
B:Special instrument analysis technology
C:Expensive instrument analysis technology
D:On-site analysis and non-destructive testing technology
答案: 【Laboratory modern instrument analysis technology;
Special instrument analysis technology;
On-site analysis and non-destructive testing technology】

5、 问题:The International AOAC is the worldwide standardization organization of the Official Chemists Association. 
选项：
A:正确
B:错误
答案: 【错误】
分析：【应为Association of Official Analytical Chemists】

6、 问题:The research contents of food analysis include safety, nutrition, acceptability, and ____.
答案: 【functionality】

7、 问题:The four aspects of the structure of gas chromatography include gas path,  sampling, ____, detecting system. 
答案: 【temperature control】

8、 问题:Methods of food analysis include sensory evaluation, ____ analysis, enzymatic analysis, microbiological analysis, and instrumental analysis.
答案: 【chemical】

9、 问题:Which of the following is National Food Safety Standard for Uses of Food Additives? 
选项：
A:GB2760
B:GB2761
C:GB2762 
D:GB2763
答案: 【GB2760】

10、 问题:Which of the following substances is not a food additive？
选项：
A:Vitamin C
B:Sorbitol
C:Lean meat powder
D:Acesulfame
答案: 【Lean meat powder】

11、 问题:Which of the following substances cannot be added to food? 
选项：
A: salt
B:Sudan red
C:water
D:cooking oil
答案: 【Sudan red】

12、 问题:Which of the following are food pollutants?
选项：
A:Heavy metal
B:Harmful substances formed in food processing
C:Pesticides
D:Bacteria
答案: 【Heavy metal;
Harmful substances formed in food processing;
Pesticides;
Bacteria】

13、 问题:What does the nutrition facts list contain?
选项：
A: water
B: fat
C:the amino acid
D:Vitamin D
答案: 【 water;
 fat;
the amino acid;
Vitamin D】

14、 问题:Heavy metals are not harmful ingredients in food.
选项：
A:正确
B:错误
答案: 【错误】

15、 问题:Can sensory analysis be combined with instrumental analysis to obtain complete information about product quality? 
选项：
A:正确
B:错误
答案: 【正确】

16、 问题:Food sensory evaluation uses the functions of human sensory organs to test the color 、____ and organizational status of food.
答案: 【fragrance】

【作业】第一章 绪论 第一章绪论 课后作业

1、 问题:What is Real-time testing? What is Offline testing? Please give differences between the above two.
评分规则: 【 给出Real-time testing准确定义
给出Offline testing准确定义
清晰表达出两种检测方式的区别
语言表达准确，有列举例子
】

第二章 样品采集、准备、处理和储藏 第二章样品采集、准备、处理和储藏 测验

小提示:本节包含奇怪的同名章节内容

1、 问题:The source of systematic error does not include
选项：
A:The scale of the container is not accurate.
B: There are shortcomings in the measurement method.
C:Changes in experimental conditions.
D:Impure reagents.
答案: 【Changes in experimental conditions.】

2、 问题:For liquid and semi-solid samples such as vegetable oil and wine, the smaller the sampling amount, the better. 
选项：
A:正确
B:错误
答案: 【正确】

3、 问题:When evaluating analysis results, we should first examine its precision and then its accuracy.
选项：
A:正确
B:错误
答案: 【错误】

4、 问题:Random errors cannot be reduced or eliminated by correction methods, so they are uncontrollable.
选项：
A:正确
B:错误
答案: 【错误】

5、 问题:When measuring viscous sample liquid, it is advisable to use a density bottle with capillary.
选项：
A:正确
B:错误
答案: 【正确】

6、 问题:The better the precision of the measurement result, the higher its accuracy. 
选项：
A:正确
B:错误
答案: 【错误】

7、 问题:For pile-shaped loose-grained samples, a double-set rotary sampling tube should be used to insert samples around a pile of samples and at the top, middle, and bottom of the top part.
选项：
A:正确
B:错误
答案: 【正确】

8、 问题:The general procedures of food analysis include sample collection, preparation, pretreatment, sample inspection, and result calculation.
选项：
A:正确
B:错误
答案: 【正确】

9、 问题:The sampling methods include ____ sampling and representative sampling.
答案: 【(以下答案任选其一都对)random;
probability】

10、 问题:Sampling is generally divided into three steps, and the samples obtained are (multiple selection). 
选项：
A:Test samples