digestion process 11th grade

Which enzyme in saliva breaks down starch into maltose?

• • a) Pepsin

• • b) Amylase

• • c) Lipase

• • d) Trypsin

What is the primary function of bile juice?

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• • a) Digest proteins

• • b) Emulsify fats

• • c) Break down carbohydrates

• • d) Neutralize stomach acid

Which enzyme is responsible for protein digestion in the stomach?

• • a) Amylase

• • b) Pepsin

• • c) Lipase

• • d) Trypsin

Which enzyme breaks down lactose into glucose and galactose?

• • a) Sucrase

• • b) Lactase

• • c) Maltase

• • d) Amylase

What is the end product of protein digestion?

• • a) Monosaccharides

• • b) Amino acids

• • c) Fatty acids

• • d) Nucleotides

1. What is the function of villi in the small intestine?

• • a) Secrete digestive enzymes

• • b) Increase surface area for absorption

• • c) Produce bile

• • d) Neutralize stomach acid

What is the role of the enzyme trypsin?

• • a) Break down proteins in the small intestine

• • b) Break down fats in the stomach

• • c) Break down carbohydrates in the mouth

• • d) Break down nucleic acids in the large intestine

What is the primary function of the large intestine?

• • a) Absorb nutrients

• • b) Absorb water and electrolytes

• • c) Produce digestive enzymes

• • d) Store bile

1. Which enzyme is responsible for the final step of protein digestion in the small intestine?

• • a) Pepsin

• • b) Trypsin

• • c) Chymotrypsin

• • d) Peptidase

1. What is the role of bicarbonate ions in the digestive process?

• • a) Digest proteins

• • b) Emulsify fats

• • c) Neutralize stomach acid

• • d) Break down carbohydrates