MCQs on Carbohydrates Questions and Answers

MCQs on Carbohydrates Questions and Answers

Carbohydrates – Definition


Carbohydrate is one of the organic molecules and is necessary for almost all types of organisms. Carbohydrates are the major source of energy for animals. Carbohydrates stored energy and give structural support to the body of animals. According to its molecular structure, carbohydrates are classified which have their own structures and functions in the body of an organisms either plants or animals.

Course Content:

  • Definition
  • Classification
  • Monosaccharides
  • Disaccharides
  • Polysaccharides

All of these Zoology MCQs are preferably for test / interview preparation for BSc, MSc, BS (Hons), NTS, FPSC, PPSC, PTS, CSS and all other competitive examination for foreign study including overseas students.

Read More: MCQs on Molecules of Animals Questions and Answers Quiz


Carbohydrates MCQs (Questions and Answers)


Q1. Polyhydroxy aldehyde or ketones are:

  1. Lipids
  2. Carbohydrates
  3. Amino acids
  4. Proteins

Answer: b

Q2. Which molecule is the major source of energy for animals?

  1. Carbohydrates
  2. Lipids
  3. Fats
  4. Nucleic acids

Answer: a

Q3. How many classification of carbohydrates according to its molecular structure?

  1. 2
  2. 4
  3. 6
  4. 3

Answer: d

Q4. Simple carbohydrates are composed of which atoms?

  1. Carbon
  2. Hydrogen
  3. Oxygen
  4. All of the above

Answer: d

Q5. Simplest carbohydrates with short carbon chains are:

  1. Monosaccharides
  2. Disaccharides
  3. Polysaccharides
  4. None

Answer: a

Q6. Monosaccharides are also called sugars.      True/false

Answer: True

Q7. Taste of monosaccharides is:

  1. Bitter
  2. Sour
  3. Sweet
  4. None

Answer: c

Q8.  Which is the building blocks of more complex carbohydrate molecules?

  1. Monosaccharides
  2. Disaccharides
  3. Polysaccharides
  4. Carbon atoms

Answer: a

Q9. Examples of monosaccharides includes:

  1. Glucose
  2. Fructose
  3. Lactose
  4. Both a and b

Answer: d

Q10. Glyceraldehyde is an example of:

  1. Monosaccharide
  2. Disaccharides
  3. Polysaccharides
  4. All of the above

Answer: a

Q11. Dihydroxyacetone is a disaccharide.      True/False

Answer: False (monosaccharide)

Q12.When glucose and fructose combine it makes:

  1. Lactose
  2. Sucrose
  3. Maltose
  4. Starch

Answer: b

Q13. Which disaccharide sugar is formed by the combination of galactose and glucose?

  1. Sucrose
  2. Fructose
  3. Lactose
  4. Maltose

Answer: c

Q14. When two glucose sugars combine, it forms maltose.       True/False

Answer: True

Q15. Three monosaccharides combine to form a disaccharide.       True/False

Answer: False (two)

Q16. Two monosaccharides combine to form a disaccharide by removing a molecule of__________.

  1. Carbon
  2. Hydrogen
  3. Oxygen
  4. Water

Answer: d

Q17. All disaccharides have the same molecular formula.   True/False

Answer: True

Q18. C12H22O11 is the molecular formula of which carbohydrates?

  1. Monosaccharides
  2. Disaccharides
  3. Polysaccharides
  4. None

Answer: b

Q19. C6H12O6 is the molecular formula of monosaccharides.    True/False

Answer: True

Q20. Compounds with the same molecular formula but different structure are called__________.

  1. Isotopes
  2. Carbohydrates
  3. Isomers
  4. Polysaccharides

Answer: c

Q21. Isomers have their own unique properties.    True/False

Answer: True

Q22. Sucrose, lactose and maltose are the examples of which carbohydrates?

  1. Polysaccharides
  2. Monosaccharides
  3. Disaccharides
  4. All of the above

Answer: c

Q23. Sucrose is also called table sugar.        True/False

Answer: True

Q24. Which disaccharide is also called milk sugar?

  1. Maltose
  2. Sucrose
  3. Glucose
  4. Lactose

Answer: d

Q25. Which disaccharide gives beer seeds a sweet taste?

  1. Maltose
  2. Lactose
  3. Sucrose
  4. Fructose

Answer: a

Q26. Beer brewers ferment barley into alcohol.            True/False

Answer: True

Q27. Polysaccharide is formed by the combination of:

  1. A monosaccharide
  2. Disaccharide
  3. Many monosaccharides
  4. None

Answer: c

Q28. Glycogen is a monosaccharide.    True/False

Answer: False (polysaccharide)

Q29. Which is a major storage compound in animals?

  1. Chitin
  2. Glucose
  3. Glycogen
  4. Cellulose

Answer: c

Q30. (C6H10O5)n is the molecular formula of Glycogen, a polysaccharide.         True/False

Answer: True

Q31. Which polysaccharide is the major component of the exoskeleton of insects and crustaceans?

  1. Glycogen
  2. Chitin
  3. Starch
  4. Cellulose

Answer: b

Q32. Cellulose, a polysaccharide is the storage form of carbohydrate in plants.      True/False

Answer: False (starch)

Q33. Which polysaccharide is a structural component of the cell wall of plants?

  1. Cellulose
  2. Starch
  3. Glycogen
  4. Chitin

Answer: a

Q34. Starch is found in animals.  True/False

Answer: False (plants)

Q35.  (C6H10O5)n is the molecular formula of which polysaccharides?

  1. Chitin
  2. Starch
  3. Cellulose
  4. Glycogen

Answer: d

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