B3 AQA Organisation & Digestive System (more detail)

Which labelled part of the diagram is the oesophagus?

• 1

• 2

• 7

• 5

Which labelled part of the diagram is the large intestine?

• 6

• 4

• 7

• 5

What is the name of the organ labelled as number 7?

• Liver

• Stomach

• Pancreas

• Oesophagus

Which part of the digestive system is the main site for nutrients to be absorbed into the blood?

• Small intestine

• Stomach

• Pancreas

• Large intestine

Which kind(s) of digestion occur in the mouth?

• Mechanical and chemical

• Mechanical only

• Chemical only

Which kind(s) of digestion occur in the stomach?

• Mechanical and chemical

• Mechanical only

• Chemical only

What are enzymes also referred to as?

• biological catalysts

• biological chemicals

• chemical catalysts

Which type of polymer are enzymes made of?

• protein

• carbohydrate

• fat

Enzymes have an active site which has a specific shape in order to fit with a specific _____________

• substrate

• substance

• enzyme

• complex

Enzymes and their specific substrates fit together like...

• lock and key

• hypothesis

• catalysts

• chemicals bonding