A, fish oil b, lard
C, butter d, sheep oil
2. Formula for evaluating the nutritional value of food in protein? 100 stands for (d)
A, protein's digestibility b, protein's efficacy ratio.
C, the net utilization rate of protein D, the biological price of protein.
3.C 18: 0 is (c)
A, monounsaturated fatty acid b, polyunsaturated fatty acid
C, saturated fatty acid d, lipid
4. Restrictive amino acid refers to (D)
A, amino acid B with higher amino acid score and amino acid with lower amino acid score
C essential amino acid d with high amino acid content and essential amino acid d with low amino acid content.
5. The coefficient of converting the nitrogen content of general food into protein content is: (c)
a、5、85 B、6、05
C, 6, 25, 6, 45 days
6. When adults eat complex meals, the energy consumed due to the special dynamic action of food is about equivalent to (B) of basal metabolism.
a、5% B、 10%
c、 15% D、20%
7. The appropriate percentage of carbohydrate in the diet of adults in China is (C).
A, less than 40% b, 40 ~ 54%
C, 55 ~ 70% D, more than 70% 8 The following foods contain more pectin (C).
A, flour b, soybean
C, banana d, cucumber
9, the following substances belong to the polysaccharide is (a)
A, glycogen b, sucrose
Maltose d, glucose
10, and the number of monosaccharide molecules constituting oligosaccharide is (b)
a， 1 ~ 2 B，3 ~ 8 B。
c， 1 1 ~ 15 d， 16 ~ 20 d。
1 1, excessive intake of water-soluble vitamin (b)
A, can be stored in large quantities in the body; B, can be excreted through urine.
C, easy to cause poisoning D, slowly excreted through bile.
When 12 and human vitamin B 1 are deficient, the change of erythrocyte transketolase activity and TPP effect should be (c).
A, the activity of transketolase and TPP effect decreased; Transketolase activity and TPP effect were enhanced.
C, transketolase activity decreased, TPP effect increased D, transketolase activity increased, TPP effect weakened.
13, night blindness may be due to the lack of (a)
Vitamin a, vitamin b, vitamin d
C, vitamin B 1 D, vitamin B2
14, loss of taste or pica may be due to the lack of (a)
Zinc and chromium
C, selenium d, calcium
15, trace elements necessary for human body include (c)
A, sulfur, iron, chlorine B, iodine, magnesium, fluorine
Iron, chromium, cobalt, calcium, zinc, iodine
16, which is beneficial to the absorption of non-heme iron (a)
A, vitamin C B, calcium
C, oxalic acid d, dietary fiber
17, pregnant women's intake of nutrients is related to neonatal congenital malformation (D)
Folic acid, vitamin B6, iron B, vitamin A, iodine and calcium.
C, vitamin c, zinc, iodine d, zinc, folic acid, vitamin a.
18. The correct statement to compare milk with breast milk is (a)
A, the lactose content of milk is lower than that of breast milk B, and the calcium content of milk is lower than that of breast milk.
C, the casein content of milk is lower than breast milk D, and the fat content of milk is lower than breast milk.
19. In order to adapt to the characteristics of the baby's digestive system and avoid food allergies, the first type of complementary food added by the baby should be (b)
A, eggs b, cereals
C, beans d, meat
20, in order to meet the needs of growth and development, 10 ~ 13 years old children (d)
A, copper intake should be higher than that of adults; B, iodine intake should be higher than that of adults.
C, iron intake should be higher than that of adults D, calcium intake should be higher than that of adults.