IGCSE Digestion

Identify the location where the digestion of starch first occurs

• Duodenum

• Mouth

• Stomach

• Colon

Identify the enzyme that has the lowest optimum pH

• Salivary amylase

• Lipase

• Pepsin

• Maltase

Identify the structures in the image that give the alimentary canal a very large surface area for the absorption of digested food

Identify the products of protein digestion

• Fatty acids

• Glucose

• Amino acids

• Maltose

Tags

NGSS.MS-LS1-7

Which enzyme produced by the pancreas digests fats in the duodenum?

Which liquid produced by the liver helps to emulsifies fats in the small intestine?

Identify the molecule produced when starch is digested by amylase

• Maltose

• Glucose

• Fatty acids

• Glycerol

Identify the organ that produces enzymes in the image

• Oesophagus

• Colon

• Liver

• Pancreas

Where in the alimentary canal does protein digestion first occur?

• Oesophagus

• Duodenum

• Colon

• Stomach

Where in the digestive system is maltase found

• In saliva

• Oesophagus

• Membrane of cells lining small intestine

• Colon