Nutritional value refers to the nutritional components in a specific food and the relationship between quality and quantity. It is generally believed that food containing a certain amount of nutrients needed by human body has certain nutritional value; Foods with more nutrients and high quality have higher nutritional value.

First, multiple choice questions

1. The chef of the cooking class in the school cafeteria designed a lunch menu for the students: rice, stewed ribs,

Spicy tofu. The biology teacher thinks this recipe is not balanced enough. Which of the following foods do you think will be added to this recipe?

Become more reasonable ()

A. vegetarian fried beans B. milk C. braised mutton D. scrambled eggs

2. There are seven kinds of nutrients in food, including water, sugar, protein, fat, inorganic salts, vitamins and crude fiber. Although crude cellulose can't be digested and absorbed by human body, it has a very important physiological effect on human body. The following foods are rich in crude fiber ()

A. Fish, shrimp, eggs, pork, spinach, celery, milk and beef

Children, teenagers and postoperative patients should eat more milk, eggs, fish and meat, because these foods are rich. ()

A. Fat B. Sugar C. protein junior high school chemistry D. Vitamins

4. Xiaojun suffers from night blindness and can't see clearly at night, mainly because he lacks () in his body.

A. vitamin A B. vitamin B 2 C. vitamin C D. vitamin D.

5. Among the following nutrients, neither participate in the formation of human cells nor provide energy. The demand of human body is small, but it has great effect on human body. This substance is ()

A. protein B sugar C fat D vitamin

6. The basic organic matter that constitutes a cell is mainly ()

A. sugar b, protein c, lipids d, vitamins

7. "The new concept of calcium supplementation, absorption is the key". Xiaoli's mother has been giving her calcium tablets, but the doctor said Xiaoli was short of calcium and suggested dressing her more.

A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D.

8. The highest hot price of the following foods is ()

A. flour, corn, rice and peanuts

Abstract: China Residents' Balanced Diet Pagoda is a food quantitative guidance scheme designed according to China residents' dietary guidelines and China residents' dietary structure characteristics. It transforms the principle of balanced diet into the weight of various foods, and presents it in the form of an intuitive pagoda for people to understand and implement in their daily lives.