Biology: Enzymes
Test Quiz
1. Enzymes are special types of:
a. Catalysts
b. Proteins
c. Organelles
d. Both a and b
e. All of the Above
2. Enzymes change the ______ of a chemical reaction.
a. Type
b. Rate
c. Reactants
d. Product
e. Yield
3. True or False: Enzymes are designed for very specific chemical reactions.
a. TRUE
b. FALSE
c.
d.
e.
4. Where does the reaction between the enzyme and the substrate take place at?
a. Substrate
b. Activator
c. Active Sight
d. Inhibitor
e. Product
5. The new molecules or substances released by the enzyme are called:
a. Substrate
b. Activator
c. Active Sight
d. Inhibitor
e. Product
6. What is the name of the molecule or substance that the enzyme reacts with?
a. Substrate
b. Activator
c. Active Sight
d. Inhibitor
e. Product
7. True or False: The lower the temperature, the faster the reaction at the enzyme will occur.
a. TRUE
b. FALSE
c.
d.
e.
8. A higher ______ can increase the reaction rate.
a. Concentration of enzyme or substrate
b. pH
c. Number of inhibitors
d. All of the Above
e. None of the Above
9. Which of the following pH levels will most likely NOT affect enzyme activity?
a. 2 (very low pH)
b. 3
c. 7
d. 12
e. 14 (very high pH)
10. What are inhibitors?
a. Molecules that make enzymes
b. Molecules that slow down or stop enzymes
c. Molecules that speed up enzymes
d. Molecules that replace enzymes
e. Molecules that combine and separate enzymes
About this quiz: All the questions on this quiz are based on information that can be found on the Biology: Enzymes page at www.ducksters.com/science/biology/enzymes.php.
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