Last updated on December 9th, 2023 at 10:01 pm
MCQ on Digestive System
Question 1: Which of the following is the primary function of the digestive system?
- a) Pumping blood throughout the body
- b) Producing hormones for growth
- c) Breaking down food and absorbing nutrients
- d) Controlling body temperature
Answer: c) Breaking down food and absorbing nutrients
Question 2: Which organ is responsible for producing bile, a substance that aids in the digestion of fats?
- a) Stomach
- b) Small intestine
- c) Liver
- d) Pancreas
Answer: c) Liver
Question 3: Where does the majority of nutrient absorption take place in the digestive system?
- a) Stomach
- b) Large intestine
- c) Esophagus
- d) Small intestine
Answer: d) Small intestine
Question 4: Which enzyme is responsible for breaking down carbohydrates into simpler sugars?
- a) Lipase
- b) Amylase
- c) Protease
- d) Pepsin
Answer: b) Amylase
Question 5: What is the role of the stomach in the digestive process?
- a) Absorbing nutrients
- b) Producing insulin
- c) Mixing and churning food with gastric juices
- d) Storing excess water
Answer: c) Mixing and churning food with gastric juices
Question 6: The process of breaking down food mechanically through chewing and mixing with saliva is known as:
- a) Absorption
- b) Peristalsis
- c) Emulsification
- d) Mastication
Answer: d) Mastication
Question 7: Which part of the digestive system is responsible for reabsorbing water and electrolytes from undigested food, forming feces?
- a) Stomach
- b) Small intestine
- c) Esophagus
- d) Large intestine
Answer: d) Large intestine
Question 8: What is the function of the pancreas in digestion?
- a) Producing bile
- b) Regulating blood sugar levels
- c) Storing nutrients
- d) Breaking down proteins
Answer: b) Regulating blood sugar levels
Question 9: The enzyme pepsin is responsible for the breakdown of:
- a) Fats
- b) Carbohydrates
- c) Proteins
- d) Nucleic acids
Answer: c) Proteins
Question 10: Which of the following is a tiny, finger-like projection in the small intestine that increases its surface area for nutrient absorption?
- a) Villus
- b) Alveolus
- c) Follicle
- d) Papilla
Answer: a) Villus
