This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 9 Biomolecules – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the smallest unit of a macromolecule? A) Monomer. B) Micromolecule. C) Glucose. D) Polymer. Show Answer Correct Answer: A) Monomer. 2. AMINO ACIDS ARE THE BUILDING BLOCKS OF ..... A) CARBHYDRATES. B) LIPIDS. C) PROTEINS. D) NUCLEIC ACIDS. Show Answer Correct Answer: C) PROTEINS. 3. It serve as structural components of cell membranes, function as energy storehouses, and function as important signaling molecules. A) Nucleic Acid. B) Protein. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: C) Lipid. 4. A compound give negative test with ninhydrin and positive test with benedict's solution. The compound is A) A lipid. B) A monosaccharide. C) A protein. D) An amino acid. Show Answer Correct Answer: B) A monosaccharide. 5. Oils are which type of macromolecule? A) Proteins. B) Nucleic acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: D) Lipids. 6. Which group of biomolecules does the polysaccharide Starch belong to? A) Carbohydrate. B) Protein. C) Nucleic Acid. D) Lipid. Show Answer Correct Answer: A) Carbohydrate. 7. The macromolecule that provides quick and short term energy. A) Proteins. B) Nucleic acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: C) Carbohydrates. 8. Which biomolecule cushions vital organs, insulates the body and is a source of long-term energy? A) Nucleic acids. B) Carbohydrates. C) Lipids. D) Protein. Show Answer Correct Answer: C) Lipids. 9. What is homeostasis? A) Keeping something at an ideal position/setting. B) A species of hominids. C) The category in which we put biomolecules. D) A mixture that is fully blended (with all biomolecules equal). Show Answer Correct Answer: A) Keeping something at an ideal position/setting. 10. Which biomolecule is most likely to be involved in the formation of cell membranes? A) Lipids. B) Nucleic Acids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: A) Lipids. 11. Four different nucleotides are used as building blocks of DNA. Which of the following can be used to distinguish one nucleotide from another? A) The shape of the deoxyribose sugar. B) The nitrogenous base. C) The type of fatty acid. D) The length of the phosphate group. Show Answer Correct Answer: B) The nitrogenous base. 12. Which reactions involve the breakdown of complex molecules into simpler ones? A) Metabolism. B) Reduction. C) Catabolism. D) Condensation. Show Answer Correct Answer: C) Catabolism. 13. 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. 14. 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. 15. 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). 16. Which of these is NOT an example or function of a monomer? A) Nucleotide. B) Bond together to make a polymer. C) Enzyme. D) Simple sugar (such as glucose). Show Answer Correct Answer: C) Enzyme. 17. Enzymes, which can speed up reactions, belong in my category. A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic Acids. Show Answer Correct Answer: B) Proteins. 18. 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) Nucleic acid. B) Carbohydrate. C) Protein. D) Lipid. Show Answer Correct Answer: C) Protein. 19. ..... molecules contain the element Carbon A) Inorganic. B) Healthy. C) Nucleic Acids. D) Organic. Show Answer Correct Answer: D) Organic. 20. What makes an enzyme substrate specific? A) Shape. B) Name. C) Location it is found in. D) Size. Show Answer Correct Answer: A) Shape. 21. Which biomolecule is your main source of quick energy? A) Nucleic Acid. B) Lipid. C) Protein. D) Carbohydrate. Show Answer Correct Answer: D) Carbohydrate. 22. A mutation in DNA would initially start with ..... A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 23. A string of nucleotides that contain the information to make a specific protein A) Amino Acids. B) Ribose. C) Gene. D) TRNA. Show Answer Correct Answer: C) Gene. 24. What is the fatty acid tails made of? A) C, H, O, N, P, S. B) C, H, O, N. C) C, H. D) C, H, O. Show Answer Correct Answer: D) C, H, O. 25. 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) Minerals. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: A) Proteins. 26. 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. 27. Why are carbohydrates considered a quick source of energy? A) Carbohydrates can easily be digested for use by cells. B) Carbohydrates are composed of nucleotides. C) Carbohydrates are made of amino acids. D) Only carbohydrates store energy. Show Answer Correct Answer: A) Carbohydrates can easily be digested for use by cells. 28. What is an amino acid? A) The building block of proteins. B) The building block of lipids. C) The building block of carbohydrates. D) The building block of nucleic acid. Show Answer Correct Answer: A) The building block of proteins. 29. What does the word organic mean? A) Has carbon. B) Has oxygen. C) Has sulfur. D) Has nitrogen. Show Answer Correct Answer: A) Has carbon. 30. Which biomolecule is most abundant in the cell membrane and contributes to its structure and function? A) Nucleic Acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: B) Lipids. 31. (question 6) Which biomolecule contain your genetics? A) Protein. B) Lipid. C) Carbohydrate. D) Nucleic Acid. Show Answer Correct Answer: D) Nucleic Acid. 32. Which one is soluble? A) Lipids. B) Carbohydrates. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbohydrates. 33. 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. 34. Adding water to break down compounds would be considered ..... A) Dehydration Synthesis. B) Glycerol. C) Hydrolysis. D) Polypeptidis. Show Answer Correct Answer: C) Hydrolysis. 35. The polymer of carbohydrate EXCEPT A) Cellulose. B) Starch. C) Collagen. D) Glycogen. Show Answer Correct Answer: C) Collagen. 36. (question 2) Which biomolecule is made of amino acids? A) Lipid. B) Carbohydrate. C) Nucleic Acid. D) Protein. Show Answer Correct Answer: D) Protein. 37. Investigate and explain the role of enzymes in facilitating cellular processes. A) Enzymes provide energy for cellular processes. B) Enzymes act as structural components in cells. C) Enzymes speed up chemical reactions by lowering activation energy. D) Enzymes store genetic information. Show Answer Correct Answer: C) Enzymes speed up chemical reactions by lowering activation energy. 38. What are the 2 factors that denature an enzyme? A) PH and concentration. B) Concentration and temperature. C) Temperature is the only factor. D) PH and temperature. Show Answer Correct Answer: D) PH and temperature. 39. Cholesterol is a/an ..... A) Protein. B) Carbohydrate. C) Lipid. D) Nucleic acid. Show Answer Correct Answer: C) Lipid. 40. Which form of glucose is stored in the human liver and muscle? A) Cellulose. B) Lipids. C) Glycogen. D) Starch. Show Answer Correct Answer: C) Glycogen. 41. Which of the following transfers the genetic information for the creation of proteinsfrom the nucleus to the ribosomes? A) DNA. B) RNA. C) Enzyme. D) Nucleotide. Show Answer Correct Answer: B) RNA. 42. What is the monomer for Lipids? A) Amino Acids. B) Fatty Acids. C) Nucleotides. D) Monosaccarides. Show Answer Correct Answer: B) Fatty Acids. 43. Which biomolecule is important for insulation? A) Proteins. B) Carbohydrates. C) Nucleic acid. D) Lipid. Show Answer Correct Answer: D) Lipid. 44. A polymer(the macromolecule/the largest molecule) of fatty acids and a glycerol is A) Nucleic acids. B) Carbohydrates. C) Lipids. D) Proteins. Show Answer Correct Answer: C) Lipids. 45. What are polymers? A) Multiple biomolecules. B) Polyester. C) Multiple elements. D) Multiple monomers. Show Answer Correct Answer: D) Multiple monomers. 46. An example of a lipid is A) Fat. B) Oil. C) Butter. D) All of these. Show Answer Correct Answer: D) All of these. 47. What are the monomers of DNA A) Nucleotides. B) Fatty acids. C) Glycerol. D) Amino acids. Show Answer Correct Answer: A) Nucleotides. 48. Which of the following is not an example of a or made with protein A) Cell membranes. B) Enzymes. C) Muscles. D) None of the above. Show Answer Correct Answer: A) Cell membranes. 49. Which biomolecule contains carbon, hydrogen, oxygen, and nitrogen? A) Lipid. B) Nucleic acid. C) Carbohydrate. D) Protein. Show Answer Correct Answer: D) Protein. 50. A "monomer" is a single molecule of something. Knowing that "mer" means molecule, what do you think "mono" means? A) Single. B) Many. C) None. D) Basic. Show Answer Correct Answer: A) Single. 51. ..... are used for long term energy storage and are found in fats and oils A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 52. I am useful for a fast source of energy A) Lipids. B) Carbohydrates. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Carbohydrates. 53. Which of the following describes a carbohydrate? A) Fats. B) DNA and RNA. C) Polypeptide Chain. D) Sugars and Starches. Show Answer Correct Answer: D) Sugars and Starches. 54. ALL polymers (large molecules) are made up of ..... A) Monosaccharides. B) Monomers. C) Proteins. D) None of these. Show Answer Correct Answer: B) Monomers. 55. What is the basic building block of all living things? A) Atom. B) Cell. C) All the above. D) None of the above. Show Answer Correct Answer: B) Cell. 56. Which give you the most energy per unit A) Carbohydrates. B) Lipids. C) Protein. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 57. Lipids are used for long-term storage of energy and also for A) Fast energy. B) Structure. C) Insulation. D) Genetic Information. Show Answer Correct Answer: C) Insulation. 58. I am important for insulation. A) Lipids. B) Carbohydrates. C) Nucleic Acids. D) Proteins. Show Answer Correct Answer: A) Lipids. 59. The suffix found in names of steroids(lipid group) A) -ol. B) -ase. C) -ose. D) None of the above. Show Answer Correct Answer: A) -ol. 60. Which biomolecule forms bones, muscles, hair and nails? A) Nucleic Acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: B) Proteins. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books