Macromolecules MCQs for MDCAT Practice

Chemistry section, Macromolecules chapter. Sample questions from past PMC papers.

1. Question 1
   All are enzymes involved in fermentation process except one:
   • A.Zymase
   • B.Invertase
   • C.Lipase
   • D.Diastase
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
2. Question 2
   The spiral coiling of polypeptide chains in a protein molecule represent its:
   • A.Tertiary structure
   • B.Primary structure
   • C.Secondary structure
   • D.Quaternary structure
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
3. Question 3
   C25H31-COO-C16H33 is the formula of:
   • A.Spermaceti
   • B.Bee wax
   • C.Glycerol
   • D.Choline acid
   • E.Pepsinogen
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
4. Question 4
   Trypsinogen can be activated by the action of:
   • A.Amylase
   • B.HCl
   • C.Glucokinase
   • D.Entrokinase
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
5. Question 5
   Which of the following statements is incorrect regarding linseed oil?
   • A.It is a drying oil
   • B.It is used in paints and varnishes
   • C.It is a vegetable oil
   • D.All of these are correct
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
6. Question 6
   In which of the following disaccharides both the basic structural units are the same?
   • A.Lactose
   • B.Maltose
   • C.Sucrose
   • D.All of the above
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
7. Question 7
   Which enzyme is used to catalyze the addition of ammonia, water or carbon dioxide to double bond
   • A.Phospho-transferase
   • B.Phospho-glyceromutases
   • C.Fumarase
   • D.Succinic thiokinase
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
8. Question 8
   The lipids which have ___ compounds are called steroids
   • A.benzene
   • B.cyclopentane
   • C.phenanthrene
   • D.tetracyclic
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.