Nutrition

Diagram 6 shows a part of human digestive system. WHich structures labelled A, B, C or D produces bile?

• A

• B

• C

• D

Diagram 7 shows a structure of villus. Which of the following pair of nutrient and method of absorption in M and N.

• M:Amino acid-Active Transport;

  N: Glucose-Active Transport

• M:Glucose-Active Transport;

  N: Fatty acid- Simple diffusion

• M:Glyserol-Simple diffusion;

  N: Vitamin A-Simple diffusion

• M:Vitamin B-Passive Transport;

  N: Vitamin C-Passive Transport

Table 1 shows the result of an experiment to determine the energy value of a groundnut. The specific heat capacity of water is 4.2Jg^-1C^-1. Calculate the energy value of the ground nut per gram.

• 0.284kJ/g 

• 2.835kJ/g 

• 28.35kJ/g 

• 2835kJ/g 

Diagram 9 shows the human digestive system. Which part of the digestive system is involved in the digestion of proteins with the presence of hydrochloric acid?

• A

• B

• C

• D

Diagram 10 shows the structure of the villus. What digested substance can be transported by structure P?

• Glucose

• Glycerol

• Amino acid

• Vitamin C

Which group of foods prevents constipation?

• Fried chicken, apple, egg sandwich

• WHolemeal bread, spinach, papaya

• Chicken soup, low fat milk, beef burger

• Orange juice, mushroom soup, chocolate cake

Diagram 11 shows a part of human digestive system. What is the effect on a person if part of X is removed because of disease?

• More bile is secreted by the liver

• Digested food cannot be transported to the liver

• The rate of digestion of lipids will decrease

• The rate of digestion of protein will decrease

The following information is about process X in the human digestive system. What is process X?

• Peristalsis

• Homeostasis

• Hydrolysis

• Dialysis

The equation below shows the process of carbohydrate digestion in the mouth. What is X?

• Maltase

• Amylase

• Lactase

• Lipase

The diagram below shows an internal organ in the human body. What nutrient is digested in this organ?

• Carbohydrate

• Lipid

• Protein

• Vitamin