Digestion & Enzymes Quiz Yr 9 Biology

Which molecules are produced by the digestion of starch and of protein?

• A

• B

• C

• D

The diagram shows the structure of a villus in the small intestine. The arrow shows the direction of flow of fluids. After a meal of fried chicken, where will the fatty acids and glycerol be present in the largest amounts?

• A

• B

• C

• D

Which secretion does not contain digestive enzymes?

• bile

• gastric juice

• intestinal juice

• pancreatic juice

Which digestive process takes place in the mouth?

• A

• B

• C

• D

Which region of the alimentary canal has the largest internal surface area?

• colon

• duodenum

• ileum

• stomach

The production of urea increases when the diet contains larger amounts of ...

• carbohydrates

• fat

• minerals

• protein

The diagram shows part of the human alimentary canal. Which 2 structures produce substances involved in the digestions of fat?

• 1 and 5

• 2 and 3

• 3 and 4

• 4 and 5

Where do chemical digestion and absorption of food occur in the human alimentary canal?

• A

• B

• C

• D

In the human body, where is bile produced?

• gall bladder

• liver

• pancreas

• stomach

Which substance does not consist of small, soluble molecules and does not have to be digested before it can pass through the wall of the alimentary canal?

• fat

• glucose

• protein

• starch