Q11 - 13: This diagram shows the digestive system:

 

11. Which row in the table below correctly identifies organs P and Q?

  organ P organ Q
A. esophagus small intestine
B. stomach small intestine
C. esophagus large intestine
D. stomach large intestine

12. Which row in the table below correctly identifies organs X and Y?

  organ X organ Y
A. esophagus large intestine
B. small intestine stomach
C. large intestine esophagus
D. stomach small intestine

13. Where in the digestive system is the enzyme amylase produced, which begins the process of breaking down starch into simple sugars?

  • A. esophagus
  • B. mouth (salivary glands)
  • C. stomach
  • D. small intestine

14. The stomach is very acidic. Which of the following is NOT a function of this acidic environment?

  • A. break down food
  • B. kill microbes
  • C. provide an acidic environment for some enzymes to work properly
  • D. help digest water and other liquids

15. Starch is broken down into simple sugars that can be easily absorbed into the blood stream.

This absorption mainly occurs in the...

 sugar lumps
  • A. esophagus
  • B. large intestine
  • C. stomach
  • D. small intestine

16. What is the function of the large intestine?

  • A. to absorb water and any remaining minerals
  • B. to provide an acidic environment for the stomach
  • C. to absorb fibre into the blood stream
  • D. to allow the transfer of gases into the blood stream

17. The human gut has other living things inside that aid digestion. What are these?

  • A. bacteria
  • B. viruses
  • C. parasites
  • D. fungi

18. Enzymes in the body play a key role in digestion. Which of the following statements best describes enzymes?

  • A. biological indicators
  • B. biological catalysts
  • C. living digestive cells
  • D. acidic chemicals