Quiz for Digestion

Q1: Which enzyme is present in saliva?

A. Pepsin B. Amylase C. Lipase D. Trypsin

Q2: Pepsin acts in which medium?

A. Neutral B. Alkaline C. Acidic D. Basic

Q3: Which organ secretes bile?

A. Pancreas B. Liver C. Stomach D. Gall bladder

Q4: What is the function of bile?

A. Digests protein B. Emulsifies fats C. Breaks starch D. Activates pepsin

Q5: Where does protein digestion begin?

A. Mouth B. Stomach C. Small intestine D. Large intestine

Q6: Which enzyme digests proteins in the small intestine?

A. Pepsin B. Lipase C. Trypsin D. Amylase

Q7: Which hormone stimulates gastric juice secretion?

A. Gastrin B. Secretin C. CCK D. Insulin

Q8: What is the pH of gastric juice?

A. 7.0 B. 2.0 C. 9.0 D. 5.0

Q9: Which enzyme is absent in gastric juice?

A. Pepsin B. Lipase C. Renin D. Amylase

Q10: Emulsification of fat is necessary for action of which enzyme?

A. Pepsin B. Lipase C. Amylase D. Trypsin

Q11: Which vitamin is absorbed in the ileum?

A. Vitamin B12 B. Vitamin A C. Vitamin D D. Vitamin K

Q12: Which enzyme is present in pancreatic juice?

A. Amylase B. Pepsin C. Renin D. Sucrase

Q13: Which enzyme breaks down milk protein in infants?

A. Trypsin B. Pepsin C. Renin D. Lipase

Q14: Large intestine mainly absorbs:

A. Vitamins B. Water C. Proteins D. Fats

Q15: What is the function of villi?

A. Secrete bile B. Absorb nutrients C. Produce enzymes D. Kill bacteria

Q16: Which part of alimentary canal has brush border epithelium?

A. Stomach B. Duodenum C. Ileum D. Colon

Q17: Gastric glands secrete:

A. Mucus B. Pepsinogen C. HCl D. All of the above

Q18: What is the function of secretin?

A. Stimulates HCl B. Stimulates bile C. Stimulates pancreatic juice D. Activates pepsin

Q19: Which enzyme breaks down maltose?

A. Maltase B. Sucrase C. Lactase D. Invertase

Q20: Fat digestion starts in:

A. Mouth B. Stomach C. Small intestine D. Large intestine