Enzyme Quiz: Test Your Knowledge! Trivia

10 Questions | By MTLJL | Updated: Mar 20, 2022 | Attempts: 315

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Enzyme Quiz: Test Your Knowledge! Trivia - Quiz

Questions and Answers

1.

Enzymes are usually ____________ in nature.
- A.
  
  Carbohydrate
- B.
  
  Fat
- C.
  
  Iron
- D.
  
  Protein
2.

Which of the following statements regarding enzymes is NOT true?
- A.
  
  A cell without ribosomes will not be able to produce enzymes.
- B.
  
  An enzyme can still function if the shape of its active site is altered.
- C.
  
  All enzymes are biological catalysts.
- D.
  
  Enzyme action is affected by temperature and pH.
3.

Which of the following is NOT an example of an enzymatic reaction?
- A.
  
  Break down of proteins into polypeptides in the duodenum
- B.
  
  Curdling of milk in the stomach
- C.
  
  Digestion of cellulose by bacteria
- D.
  
  Emulsification of fats
4.

Under which conditions would salivary amylase act on a solution of starch most rapidly?
- A.
  
  PH 2, 25°C
- B.
  
  PH 2, 70°C
- C.
  
  PH 7, 25°C
- D.
  
  PH 7, 70°C
5.

What are the products formed from the breakdown of oil by lipase?
- A.
  
  Amino acids
- B.
  
  Fatty acids and glycerol
- C.
  
  Glucose
- D.
  
  Lipids
6.

What is the enzyme found in potato that is able to react with hydrogen peroxide?
- A.
  
  Amylase
- B.
  
  Catalase
- C.
  
  Lipase
- D.
  
  Protease
7.

Which of the following are characteristics of enzymes? 1. Enzymes are highly specific. 2. Enzymes remain unchanged at the end of their reactions. 3. Enzymes are required in large amounts.
- A.
  
  1 and 2 only
- B.
  
  1 and 3 only
- C.
  
  2 and 3 only
- D.
  
  All of the above.
8.

Which of the following enzymes works well when it is mixed with distilled water?
- A.
  
  Salivary amylase
- B.
  
  Pancreatic amylase
- C.
  
  Pepsin
- D.
  
  Lactase
9.

Which of the following statements about enzymes is NOT correct?
- A.
  
  Enzymes allow chemical reactions to take a shorter time to complete.
- B.
  
  Enzymes are temperature sensitive.
- C.
  
  Enzymes break down complex substances only.
- D.
  
  Enzymes catalyse reversible reactions.
10.

According to the 'lock and key' hypothesis, what is represented by the lock and key?
- A.
  
  The lock represents the enzyme while the key represents the substrate.
- B.
  
  The lock represents the active site while the key represents the enzyme.
- C.
  
  The lock represents the product while the key represents the substrate.
- D.
  
  The lock represents the enzyme while the key represents the product.