Biology Quiz - Human Digestive System
1. Examples of carbohydrates are:
A starch, fruit and oil
B meat, fish and oil
C sugar, potatoes and pasta
2. An example of a food rich in proteins is:
A fruit
B french fries
C fish
3. Proteins are made of:
A amino acids
B simple sugars
C fatty acids
4. Iodine solution is the chemical used to test for the presence of:
A protein
B sugar
C starch
5. Digestion is:
A the breakdown of food particles into simpler substances
B the absorption of small nutrient particles into the bloodstream
C both of the above
6. An example of chemical breakdown of food is:
A chewing
B enzymes
C stomach churning
7. The tube between the mouth and the stomach is the:
A oesophagus
B trachea
C peristalsis
8. Food passes through our digestive tracts even when lying down due to:
A epiglottis
B peristalsis
C absorption in intestine
9. One function of hydrochloric acid in the stomach is to:
Akill bacteria
Babsorb water into the bloodstream
Cbreak down oils
10. The first part of the small intestine is the:
Acolon
Bduodenum
Csphincter
11. Villi are projections that increase the surface area for greater absorption of nutrients in the:
Astomach
Blarge intestine
Csmall intestine
12. Unwanted solid waste that is expelled from the body through the anus is called:
Afaeces
Bappendices
Cdefaecation
13. What is one major function of the large intestine?
Abreakdown of fats
Bwater absorption
Cdefaecation
14. Bile is produced in the liver and stored in the gall bladder. What is its function?
Awater absorption
Bbreakdown of fats and oils
Cprevention of constipation
15. Excess glucose is temporarily stored in the liver as:
Afat
Bbile
Cglycogen

 

Your Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
Q11:
Q12:
Q13:
14:
Q15:
Correct Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
Q11:
Q12:
Q13:
Q14:
Q15: