This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Glucose, Lactose, and Sucrose all end in-ose. This means they are sugars ..... which group of biomolecules do they belong to? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 2. Denaturation of protein leads to loss of its biological activity by A) Formation of amino acids. B) Loss of primary structure. C) Loss of both primary and secondary structure. D) Loss of both secondary and tertiary structures. Show Answer Correct Answer: D) Loss of both secondary and tertiary structures. 3. What macromolecule is the genetic material A) Protein. B) Nucleic acid. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: B) Nucleic acid. 4. What type of biomolecule is primarily used for long-term energy storage in animals? A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: C) Lipids. 5. The monomer for ..... is glycerol + fatty acid. A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: C) Lipids. 6. What biomolecules would help a bear withstand months of hibernation without eating? A) Protein. B) Carbohydrates. C) Nucleic Acids. D) Lipids. Show Answer Correct Answer: D) Lipids. 7. What elements (monomers) make up a protein? A) C, H, O. B) C, H, O, N. C) C, H, O, N, P. D) None of the above. Show Answer Correct Answer: B) C, H, O, N. 8. On oxidation with a mild oxidising agent like Br2/H20, the glucose is oxidized to A) Saccharic acid. B) Glucaric acid. C) Gluconic acid. D) Valeric acid. Show Answer Correct Answer: C) Gluconic acid. 9. The process that builds molecules by removing water to bind them together is A) Hydrolysis. B) Protein Synthesis. C) Dehydration Synthesis. D) Lysis. Show Answer Correct Answer: C) Dehydration Synthesis. 10. Which of the following is a simple carbohydrate? A) Starch. B) Glucose. C) Cellulose. D) Glycogen. Show Answer Correct Answer: B) Glucose. 11. Proteins are composed of which type of monomer? A) Fatty acids. B) Glucose. C) Glycerol. D) Amino acids. Show Answer Correct Answer: D) Amino acids. 12. Which of these influence the rate of a chemical reaction A) Nature of the reacting substances. B) Concentration of reactants. C) Temperature of reactants and products. D) Presence of an enzyme. E) All the the above. Show Answer Correct Answer: E) All the the above. 13. What is another name for biomolecules A) Macromolecules. B) Living molecules. C) Biochemicals. D) Big molecules. Show Answer Correct Answer: A) Macromolecules. 14. Carbohydrates both store energy in some way, how does protein compare? A) Protein provides energy and structure to the cell, as well as other functions. B) Provides energy to the cell. C) Provides only structure to the cell. D) Helps move carbohydrates. Show Answer Correct Answer: A) Protein provides energy and structure to the cell, as well as other functions. 15. A ..... is an organic molecule used as the body's primary source of energy. A) Protein. B) Nucleic acid. C) Carbohydrate. D) Lipid. Show Answer Correct Answer: C) Carbohydrate. 16. Which of the following vitamins is water-soluble? A) Vitamin A. B) Vitamin D. C) Vitamin C. D) Vitamin K. Show Answer Correct Answer: C) Vitamin C. 17. Proteins are giant molecules made up of many ..... attached together in a chain. A) Amino Acids. B) Fatty Acids. C) Saccharides. D) Nitrogen Bases. Show Answer Correct Answer: A) Amino Acids. 18. How does an enzymes shape relate to its function? A) The shape of the enzyme has no relation to its function. B) The enzyme is shaped specially for certain substrates to perform a specific reaction. C) The enzyme shape acts as a receptor to certain products. D) The enzyme shape can fit into specific substrates to cease a reaction. Show Answer Correct Answer: B) The enzyme is shaped specially for certain substrates to perform a specific reaction. 19. Which of the following means "to break down" ? A) Denature. B) Catalyze. C) Synthesis. D) Digestion. Show Answer Correct Answer: D) Digestion. 20. Which biomolecule is made of the monomer amino acids? A) Nucleic Acid. B) Carbohydrate. C) Protein. D) Lipid. Show Answer Correct Answer: C) Protein. 21. Polypeptide A) Monomer. B) Polymer. C) All the above. D) None of the above. Show Answer Correct Answer: B) Polymer. 22. Which of the following functions is not associated with proteins? A) Contraction. B) Providing structural material. C) Enzymes. D) Specific binding. E) Information storage. Show Answer Correct Answer: E) Information storage. 23. DNA & RNA are types of ..... A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 24. Which biomolecule is the main source of energy for cells? A) Carbohydrate. B) Protein. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrate. 25. What is the function Nucleic Acids A) They are the main source of energy for the body. B) They are responsible for muscle growth. C) They are responsible for the structure of cell membranes. D) They store and transmit genetic information. Show Answer Correct Answer: D) They store and transmit genetic information. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 9 Biomolecules Quiz 1Class 11 Biology Chapter 9 Biomolecules Quiz 2Class 11 Biology Chapter 9 Biomolecules Quiz 3Class 11 Biology Chapter 9 Biomolecules Quiz 4Class 11 Biology Chapter 9 Biomolecules Quiz 5Class 11 Biology Chapter 9 Biomolecules Quiz 6Class 11 Biology Chapter 9 Biomolecules Quiz 7Class 11 Biology Chapter 9 Biomolecules Quiz 8Class 11 Biology Chapter 9 Biomolecules Quiz 9Class 11 Biology Chapter 9 Biomolecules Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books