Digestive System MCQs with Answers

"Gastric juice" is a secretion of the glands present in the ?

• A.Pancreas
• B.Liver
• C.Stomach
• D.Small intestine

What is the function of bile produced by the liver in the digestive process?

• A.Neutralizes stomach acid and kills bacteria
• B.Breaks down proteins into amino acids
• C.Helps absorb fats into the bloodstream
• D.Converts glucose into glycogen for storage

The digestion of proteins and killing germs is the main function of ?

• A.Small intestine
• B.Stomach
• C.Liver
• D.Pancreas

Each of the following organs is a component of the digestive tract except one. Identify the exception.

• A.Stomach
• B.Small intestine
• C.Spleen
• D.Esophagus

"Digestion", alone, refers to the:

• A.Elimination of undigested waste
• B.Absorption of nutrients into the blood
• C.Chemical/mechanical breakdown of food
• D.Transport of food through the alimentary canal

Which enzyme is secreted in the active form?

• A.Pepsin
• B.Trypsin
• C.Amylase
• D.Rennin

Large intestine contains , which synthesis Vitamin K.

• A.Fungi
• B.Viruses
• C.Bacteria
• D.Protozoa

During digestion, proteins are broken down into _?

• A.Fatty acids
• B.Amino acids
• C.Glucose
• D.Glycerol

Which of the following acts as a pathway and transports the food from pharynx to stomach?

• A.Trachea
• B.Oesophagus
• C.Larynx
• D.Bronchus

A part of the digestive system that is not in contact with food is the ?

• A.Small intestine
• B.Stomach
• C.Liver
• D.Pancreas