Nutrition and Human Digestive System Quiz
Preview:
Function of parietal cells in gastric gland is to ………….
A. secrete pepsinogen
B. secrete hydrochloric acid
C. secrete mucus
D. secrete gastric juices
What produces the bile used to break down fats?
A. Liver
B. Large Intestine
C. Mouth
What begins the process of chemical breakdown?
A. Liver
B. Salivary glands
C. Colon
The total amount of energy released when one gram of food is oxidised completely is called ……………….
A. energy value
B. energy consumption
C. energy output
D. energy debt
What is the function of bile?
A. digests fats
B. emulsifies fats
C. accumulates fats
D. absorbs fats
What pushes food from the mouth to the stomach?
A. Stomach
B. Gall bladder
C. Esophagus
Which one is not true about function of liver?
A. detoxification
B. storage of nutrients
C. metabolism of digested food
D. storage of bile
What churns food and breaks it down further using strong acids?
A. Stomach
B. Salivary glands
C. Liver
Which of the following enzymes digests proteins?
A. Trypsin
B. Lipase
C. Peptidases
D. Amylase
Which of the following are true for bile?
I Prepares acid medium for action of enzymes.
II Neutralizes the acids in the stomach.
III Speeds up the digestion of fats.
IV Helps in proteins digestion.
A. I and II only
B. II and III only
C. III and IVonly
D. I and IV only
What produces chemicals that break down fats, starches and proteins?
A. Pulmonary artery
B. Pancreas
C. Pituitary gland
The diagram shows the human alimentary canal.
Which of the organs are related to digestion of carbohydrates?
A. R and T only
B. P and Q only
C. S and T only
D. Q, R, S, and T
physical digestion involves chewing and …………
A. enzyme reactions
B. peristalsis
C. decomposition process of complex molecules into simple molecules
Which of the following process do not take place in the colon of the human body?
A. absorption of water
B. absorption of minerals
C. absorption of fatty acids
D. absorption of Vitamin B
Protein is broken down into ______________ before they are asborbed into the small intestines.
A. fatty acids
B. amino acids
C. citric acid
D. hydrochiloric
