Quiz on Diet and the Digestive System

What is a balanced diet?

• A diet high in sugars

• A diet consisting only of fruits and vegetables

• A diet that contains all essential nutrients in the right proportions

• A diet that excludes fats

Which nutrient is the main energy source?

• Minerals

• Carbohydrates

• Vitamins

• Proteins

What does Vitamin C deficiency lead to?

• Constipation

• Scurvy

• Anemia

• Rickets

Which organ is NOT part of the alimentary canal?

• Liver

• Mouth

• Esophagus

• Stomach

What is the role of bile in digestion?

• Breaks down carbohydrates

• Produces digestive enzymes

• Emulsifies fats and neutralizes stomach acid

• Absorbs nutrients

What is the primary function of the small intestine?

• Absorption of nutrients

• Chemical digestion

• Mechanical digestion

• Storage of waste

Which type of teeth are used for crushing and grinding food?

• Wisdom teeth

• Canines

• Incisors

• Premolars and Molars

What is the function of amylase?

• Breaks down proteins

• Breaks down starch into maltose

• Emulsifies fats

• Neutralizes stomach acid

Where does most nutrient absorption occur?

• Mouth

• Stomach

• Large intestine

• Ileum of the small intestine

What is the role of hydrochloric acid in the stomach?

• Kills harmful microorganisms and provides acidic pH for enzymes

• Breaks down fats

• Absorbs nutrients

• Emulsifies carbohydrates