AQA Additional Enzymes Quiz

14 Questions | Total Attempts: 277

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AQA Additional Enzymes Quiz - Quiz

A revision quiz for students studying AQA Additional Biology.


Questions and Answers
  • 1. 
    What type of molecule is an enzyme?
    • A. 

      Carbohydrate

    • B. 

      Protein

    • C. 

      Fat

    • D. 

      DNA

    • E. 

      Protease

  • 2. 
    Enzymes speed up the rate of reactions by lowering what?
    • A. 

      Action Energy

    • B. 

      Temperatures

    • C. 

      Activation Energy

    • D. 

      Reaction Rates

    • E. 

      Active Sites

  • 3. 
    Enzymes are made up of a complex chain of ......... ......... .
  • 4. 
    The enzyme made by the salivary glands is what?
    • A. 

      Starch

    • B. 

      Lipase

    • C. 

      Protease

    • D. 

      Ligase

    • E. 

      Amylase

  • 5. 
    Where is bile made?
    • A. 

      Liver

    • B. 

      Lungs

    • C. 

      Pancreas

    • D. 

      Small Intestine

    • E. 

      Stomach

  • 6. 
    What do ribosomes do?
    • A. 

      Breakdown excess fatty acids

    • B. 

      Protein Synthesis

    • C. 

      Respiration

    • D. 

      Photosynthesis

    • E. 

      Digestion

  • 7. 
    When do enzymes denature?
    • A. 

      At low temperatures below 35 degrees.

    • B. 

      At high temperatures above 40 degrees.

    • C. 

      At temperatures above and below 37 degrees.

    • D. 

      At 37 degrees

    • E. 

      At freezing point

  • 8. 
    Where is pepsin found?
    • A. 

      Small Intestine

    • B. 

      Pancreas

    • C. 

      Liver

    • D. 

      Mouth

    • E. 

      Stomach

  • 9. 
    Which enzyme is involved in Genetic Engineering?
    • A. 

      Replication Enzymes

    • B. 

      Restriction Enzymes

    • C. 

      DNAase

    • D. 

      RNAase

    • E. 

      DNA Polymerase

  • 10. 
    What is not a function of bile?
    • A. 

      Neutralisation

    • B. 

      Emulsification

    • C. 

      Assists in fat digestion

    • D. 

      Assists in protein digestion

    • E. 

      Excretion

  • 11. 
    Which enzyme is involved in the production of slimming products?
    • A. 

      Isomerase

    • B. 

      Isotopase

    • C. 

      Protease

    • D. 

      Lipase

    • E. 

      Carbohydrase

  • 12. 
    Where does the substrate fit into the enzyme?
    • A. 

      Action Site

    • B. 

      Substrate Site

    • C. 

      Activation Site

    • D. 

      Active Site

    • E. 

      Action Area

  • 13. 
    What is the optimum pH of pepsin?
    • A. 

      5

    • B. 

      7

    • C. 

      2

    • D. 

      10

    • E. 

      8

  • 14. 
    Which reactions are enzymes not directly involved in?
    • A. 

      Respiration

    • B. 

      Photosynthesis

    • C. 

      Genetic Engineering

    • D. 

      Digestion

    • E. 

      Predation

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