Biology: Digestive System
Test Quiz
1. What is the main purpose of the digestive system?
a. To fight off diseases
b. To distribute energy throughout the body
c. To be an instrument of communication between different parts of the body
d. To break down food
e. To regenerate cells
2. True or False: The digestive system is about 20 to 30 feet long.
a. TRUE
b. FALSE
c.
d.
e.
3. What type of proteins does saliva have that helps break down starchy foods?
a. Collagen
b. Hemoglobin
c. Enzymes
d. Insulin
e. Oxytocin
4. How does food travel from the mouth to the stomach?
a. Food falls down the windpipe
b. Throat muscles push food down the windpipe
c. Food falls down the esophagus
d. Throat Muscles push food down the esophagus
e. The epiglottis flap releases and lets food inside the stomach
5. How many hours does food stay in the stomach?
a. 1
b. 2
c. 4
d. 12
e. 24
6. True or False: The stomach is responsible for killing a lot of the bad bacteria in the food we eat.
a. TRUE
b. FALSE
c.
d.
e.
7. The small intestine has fluids from which two organs to help continue to break down food?
a. Heart and Lungs
b. Stomach and Large Intestine
c. Appendix and Kidneys
d. Brain and Spinal Cord
e. Liver and Pancreas
8. Where is the last stage of the digestive system?
a. Small Intestine
b. Gall Bladder
c. Pancreas
d. Kidneys
e. Large Intestine
9. Where is bile from the liver stored?
a. Small Intestine
b. Gall Bladder
c. Pancreas
d. Kidneys
e. Large Intestine
10. What type of molecules does bile break down?
a. Carbohydrates
b. Proteins
c. Fats
d. Nucleic Acids
e. Simple Sugars
About this quiz: All the questions on this quiz are based on information that can be found on the Biology: Digestive System page at www.ducksters.com/science/digestive_system.php.
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