Digestive System MCQs with Answers

The function of the teeth is?

• A.Cutting and grinding of food
• B.Mixing of food with saliva
• C.Both A and B
• D.Absorption of nutrients

How are carbohydrates, proteins, and fats digested in the human body?

• A.Carbohydrates in the mouth, proteins in the stomach, and fats in the small intestine
• B.Carbohydrates in the stomach, proteins in the mouth, and fats in the large intestine
• C.Carbohydrates in the small intestine, proteins in the mouth, and fats in the stomach
• D.All are digested only in the small intestine

Past Paper MCQ

The appendix is situated in the:

• A.Right upper quadrant
• B.Right lower quadrant
• C.Left lower quadrant
• D.Left upper quadrant

Which line shows the correct order of alimentary canal?

• A.Mouth → Oesophagus → Stomach → Small Intestine
• B.Mouth → Stomach → Oesophagus → Small Intestine
• C.Oesophagus → Mouth → Stomach → Small Intestine
• D.Mouth → Oesophagus → Small Intestine → Stomach

The large, brick-shaped cells of intestines which are responsible for secretion and active absorption are called as?

• A.Simple columnar epithelium
• B.Stratified squamous epithelium
• C.Simple cuboidal epithelium
• D.Pseudostratified columnar epithelium

Which of the following fluids lack enzymes?

• A.Saliva
• B.Gastric juice
• C.Bile
• D.Pancreatic juice

To leave the digestive tract, a substance must cross a cell membrane. During which stage of food processing does this take place?

• A.Ingestion
• B.Absorption
• C.Egestion
• D.Digestion

The pancreas secretes pancreatic juice which breaks down the _?

• A.Proteins and sugars
• B.Fats only
• C.Carbohydrates only
• D.Proteins only

Absorption only occurs in ?

• A.Stomach
• B.Large Intestine
• C.Small Intestine
• D.Liver

Food moves along the digestive tract as the result of contractions by ?

• A.Voluntary muscles
• B.Cardiac muscles
• C.Skeletal muscles
• D.Smooth muscles