This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which reactions involve the breakdown of complex molecules into simpler ones? A) Condensation. B) Catabolism. C) Metabolism. D) Reduction. Show Answer Correct Answer: B) Catabolism. 2. What does protein do? A) Helps with immune system and muscles. B) Long-term energy and insulation. C) Short-term energy. D) Reduce the number enzymes we need. Show Answer Correct Answer: A) Helps with immune system and muscles. 3. Which of the following biomolecules DOES NOT produce energy for an organism. A) Carbohydrate. B) Lipid. C) Protein. D) None of the above. Show Answer Correct Answer: C) Protein. 4. James, Mason, and Abigail are having a debate. James thinks the building block of proteins is amino acids, Mason thinks it's lipids, and Abigail thinks it's nucleic acids. Who is correct? A) James (amino acids). B) Mason (lipids). C) Abigail (nucleic acids). D) None of them. Show Answer Correct Answer: A) James (amino acids). 5. Which of these is NOT an example or function of a monomer? A) Bond together to make a polymer. B) Simple sugar (such as glucose). C) Nucleotide. D) Enzyme. Show Answer Correct Answer: D) Enzyme. 6. Enzymes, which can speed up reactions, belong in my category. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 7. A biological supply company is advertising the synthesis of a new compound. Scientists note that when the compound is added to a particular chemical reaction, the reaction rate increases dramatically. The compound is likely a ..... A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic acid. Show Answer Correct Answer: C) Protein. 8. ..... molecules contain the element Carbon A) Healthy. B) Nucleic Acids. C) Inorganic. D) Organic. Show Answer Correct Answer: D) Organic. 9. What makes an enzyme substrate specific? A) Size. B) Shape. C) Name. D) Location it is found in. Show Answer Correct Answer: B) Shape. 10. Which biomolecule is your main source of quick energy? A) Nucleic Acid. B) Protein. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: D) Carbohydrate. 11. A mutation in DNA would initially start with ..... A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 12. A string of nucleotides that contain the information to make a specific protein A) Ribose. B) Amino Acids. C) TRNA. D) Gene. Show Answer Correct Answer: D) Gene. 13. What is the fatty acid tails made of? A) C, H, O, N, P, S. B) C, H, O, N. C) C, H, O. D) C, H. Show Answer Correct Answer: C) C, H, O. 14. Which of the following biomolecules typically contains both nitrogen and phosphates? A) Lipid. B) Protein. C) Nucleic acid. D) Carbohydrate. Show Answer Correct Answer: C) Nucleic acid. 15. A dog gets many nutrients from its food including amino acids. Which of these can be built directly using the amino acids? A) Proteins. B) Carbohydrates. C) Lipids. D) Minerals. Show Answer Correct Answer: A) Proteins. 16. Activation energy- A) Is the difference in the average energy content of 'S' from that of its transition state. B) Helps to change reactants into unstable transition state before they can be converted into products. C) Is the minimum energy required from outside to overcome the energy barrier of reactant or to start a reaction. D) All are correct. Show Answer Correct Answer: D) All are correct. 17. Why are carbohydrates considered a quick source of energy? A) Carbohydrates are composed of nucleotides. B) Carbohydrates are made of amino acids. C) Carbohydrates can easily be digested for use by cells. D) Only carbohydrates store energy. Show Answer Correct Answer: C) Carbohydrates can easily be digested for use by cells. 18. What is an amino acid? A) The building block of proteins. B) The building block of carbohydrates. C) The building block of nucleic acid. D) The building block of lipids. Show Answer Correct Answer: A) The building block of proteins. 19. What does the word organic mean? A) Has nitrogen. B) Has sulfur. C) Has carbon. D) Has oxygen. Show Answer Correct Answer: C) Has carbon. 20. Which biomolecule is most abundant in the cell membrane and contributes to its structure and function? A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: C) Lipids. 21. What are the four main biomolecules A) Carbohydrates, lipids, proteins, and nucleic acids. B) Carbohydrates, amino acids, proteins, and lipids. C) Glucose, amino acids, proteins, and lipids. D) Nucleic acids, amino acids, carbohydrates, and proteins. Show Answer Correct Answer: A) Carbohydrates, lipids, proteins, and nucleic acids. 22. (question 6) Which biomolecule contain your genetics? A) Carbohydrate. B) Lipid. C) Nucleic Acid. D) Protein. Show Answer Correct Answer: C) Nucleic Acid. 23. Which one is soluble? A) Lipids. B) Carbohydrates. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbohydrates. 24. What are the two main types of enzymes? A) Intracellular enzymes and extracellular enzymes. B) Catabolic enzymes and anabolic enzymes. C) Metabolic enzymes and digestive enzymes. D) Protein enzymes and carbohydrate enzymes. Show Answer Correct Answer: C) Metabolic enzymes and digestive enzymes. 25. Adding water to break down compounds would be considered ..... A) Glycerol. B) Dehydration Synthesis. C) Hydrolysis. D) Polypeptidis. Show Answer Correct Answer: C) Hydrolysis. ← 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