7.Quiz on Enzymes and Digestion

What is the primary function of the digestive system?

• To circulate blood

• To filter waste from the body

• To break down food and absorb nutrients

• To produce hormones

What is digestion?

• The breakdown of food into smaller molecules

• The movement of food through the intestines

• The elimination of waste

• The absorption of nutrients

What is peristalsis?

• The secretion of digestive enzymes

• The movement of food through the gut

• The process of breaking down food chemically

• The absorption of nutrients

Which type of digestion involves the physical breakdown of food?

• Chemical digestion

• Cellular digestion

• Mechanical digestion

• Biological digestion

What are incisors primarily used for?

• Grinding food

• Tearing food

• Crushing food

• Biting and cutting food

What is the role of enzymes in digestion?

• To break down large food molecules

• To absorb nutrients

• To transport food

• To provide energy

Where does most nutrient absorption occur?

• In the stomach

• In the large intestine

• In the small intestine

• In the mouth

What is egestion?

• The elimination of undigested food

• The breakdown of food

• The absorption of nutrients

• The intake of food

What can cause diarrhoea?

• Cholera toxin affecting chloride ions

• Excessive water intake

• Low fiber intake

• High protein diet

What is the function of villi in the small intestine?

• To transport food

• To store waste

• To increase surface area for absorption

• To produce digestive enzymes