This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All polymers are made of ..... A) Monomers. B) Proteins. C) Glucose. D) None of these. Show Answer Correct Answer: A) Monomers. 2. Why are Nucleic Acids important? A) They make DNA and are responsible for the coding of your traits. B) They build muscle and work as enzymes. C) They are a fast source of energy. D) They provide insulation (warmth) and long term energy. Show Answer Correct Answer: A) They make DNA and are responsible for the coding of your traits. 3. Which biomolecule is hydrophobic in nature? A) Nucleic Acids. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: D) Lipids. 4. ..... act as intercellular messanger A) Protein. B) Vitamines. C) Enzymes. D) Hormones. Show Answer Correct Answer: D) Hormones. 5. Which of the following would be the best example of a protein? A) Butter. B) Steak. C) Bread. D) Strawberries. Show Answer Correct Answer: B) Steak. 6. What does the word "polymer" mean? A) One molecule. B) Many molecules. C) No molecules. D) 10 molecules. Show Answer Correct Answer: B) Many molecules. 7. Which biomolecule would starch and glucose be considered? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 8. Waxes and fats are insoluble in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Structurally, nucleotides are similar to what energy rich molecule? A) Amino acids. B) Lipid molecules. C) Glucose. D) Adenosine triphosphate (ATP). Show Answer Correct Answer: D) Adenosine triphosphate (ATP). 10. A sugar that is a monosaccharide is made up of how many sugars? A) One. B) Two. C) More than two. D) None of the above. Show Answer Correct Answer: A) One. 11. Which type of substance serves as a catalyst for reactions that break large food molecules into smaller useful molecules? A) Enzymes. B) Vitamins. C) Lipids. D) Nucleotides. Show Answer Correct Answer: A) Enzymes. 12. In a DNA molecule, which biomolecule serves as the backbone, holding the genetic information together? A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 13. Steroids are an example of which biomolecule A) Carbohydrate. B) Protein. C) Lipid. D) Nucleic acid. Show Answer Correct Answer: C) Lipid. 14. When these bond together, they form a protein A) Amino Acids. B) Peptide Bonds. C) Ribose. D) Nucleotides. Show Answer Correct Answer: A) Amino Acids. 15. Which elements are found in proteins? A) C, H, O, N, P. B) C, H, O, N. C) C, H, O. D) None of the above. Show Answer Correct Answer: B) C, H, O, N. 16. What does an enzyme do to a chemical reaction? A) Speeds it up (catalyzes). B) Slows it down. C) Breaks it down. D) None of the above. Show Answer Correct Answer: A) Speeds it up (catalyzes). 17. Which of the following units are repeatedly joined together to FORM a strand of DNA? A) Amino acids. B) Nucleotides. C) Fatty acids. D) Polysaccharides. Show Answer Correct Answer: B) Nucleotides. 18. What is the name of lipid polymers? A) Polysaccharides. B) Triglycerides. C) Polypeptides. D) DNA and RNA. Show Answer Correct Answer: B) Triglycerides. 19. Emma, Mason, and Abigail are having a debate about biomolecules. They are trying to figure out which biomolecule is insoluble in water. Can you help them? A) Nucleic acids. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: D) Lipids. 20. You are on a survival trip and you need to choose a biomolecule for insulation and energy storage. Which one would you choose? A) Protein. B) Nucleic Acid. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: C) Lipid. 21. An ..... is a type of protein that speeds up a chemical reaction in a living thing by lowering their activation energy. A) Dog. B) Cell Cycle. C) Substrate. D) Enzyme. Show Answer Correct Answer: D) Enzyme. 22. The monomer of a lipid is called ..... A) A nucleotide. B) A monosaccharide. C) An amino acid. D) A fatty acid. Show Answer Correct Answer: D) A fatty acid. 23. Any of numerous substances that are produced by cells and living organisms. A) Biomolecules. B) Macromolecules. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 24. What connects amino acids? A) Peptide bonds. B) Polypeptide bonds. C) Polypeptide chains. D) Peptide chains. Show Answer Correct Answer: A) Peptide bonds. 25. This molecule is made of glycerol and fatty acids. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. ← 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