This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Example of a monomer A) Triglycerides. B) Starch. C) DNA. D) Glycine. Show Answer Correct Answer: D) Glycine. 2. Which organic molecule would a long-distance runner most likely choose to eat two hours before a race? A) A protein, because it builds muscle mass. B) A lipid because it provides long term energy storage. C) A carbohydrate because it releases energy quickly. D) A protein, because it transports oxygen into the blood stream. Show Answer Correct Answer: C) A carbohydrate because it releases energy quickly. 3. Which biomolecule acts as long-term energy storage for the cell and also cushions and insulates organs? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 4. Which of the following organic compounds is the main source of energy in living things? A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: C) Carbohydrates. 5. The monomer of a nucleic acid is A) Monosaccharide. B) Amino Acid. C) Nucleotide. D) Triglyceride (3 Fatty Acids and 1 Glycerol). Show Answer Correct Answer: C) Nucleotide. 6. True or FalseLipids are hydrophobic A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. What is the monomer of a carbohydrate? A) Monosaccharides. B) Amino Acids. C) Fatty Acids. D) Nucleotides. Show Answer Correct Answer: A) Monosaccharides. 8. Lipase is produced by the pancreas to help digest fat. Lipase breaks down the fats into fatty acids. What role does the lipase play in this reaction? A) Substrate. B) Enzyme. C) Substrate-enzyme complex. D) Product. Show Answer Correct Answer: B) Enzyme. 9. I can contain long fatty acid chains. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 10. Which of the following is the template for the production of RNA within a cell? A) DNA. B) ATP. C) Protein. D) Carbohydrate. Show Answer Correct Answer: A) DNA. 11. When it comes to biomolecules, form fits A) Function. B) Structure. C) Identity. D) Chemical composition. Show Answer Correct Answer: A) Function. 12. A sugar that is a polysaccharide is made up of how many sugars? A) One. B) Two. C) More than two. D) None of the above. Show Answer Correct Answer: C) More than two. 13. What are the building blocks of larger molecules called? A) Monomers. B) Legos. C) Megablocks. D) Polymers. Show Answer Correct Answer: A) Monomers. 14. Which is NOT a function for Lipids? A) Long term Energy Storage. B) Chubify. C) Insulation. D) Cell Membrane. Show Answer Correct Answer: B) Chubify. 15. Which biomolecule has simple sugars and complex starches? A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic Acid. Show Answer Correct Answer: C) Carbohydrates. 16. When digesting a complex carbohydrate, water is added and simple sugar is obtained through which process? A) Condensation. B) Dehydration. C) Hydrolysis. D) Photosynthesis. Show Answer Correct Answer: C) Hydrolysis. 17. What does N-terminus refer to? A) The first amino acid with the abbreviation 'N' in the protein. B) The end of a protein with a free carboxylic acid group. C) A protein chain. D) The end of a protein with a free amine group. Show Answer Correct Answer: D) The end of a protein with a free amine group. 18. Protein is a biologically functional molecule that consists of one or more polypeptides A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. All are proteins except- A) Receptors + Insulin. B) Antibody + Trypsin. C) GLUT-4 + Collagen. D) CoQ. Show Answer Correct Answer: D) CoQ. 20. The chemical reaction that breaks down a molecule by adding water is A) Dehydration Synthesis. B) Hydrophobia. C) Hydrolysis. D) Dehydration. Show Answer Correct Answer: C) Hydrolysis. 21. What are the monomers of nucleic acids called? A) Fatty Acids & Glycerol. B) Nucleotides. C) Amino Acids. D) Monosaccharides. Show Answer Correct Answer: B) Nucleotides. 22. Carbohydrate A) Monomer. B) Polymer. C) All the above. D) None of the above. Show Answer Correct Answer: B) Polymer. 23. Which of the following set consists of only essential amino acid? A) Alanine, tyrosine, cysteine. B) Leucine, phenyl alanine, tryptophan. C) Alanine, glutamine, lysine. D) Leucine, proline proline, glycine. Show Answer Correct Answer: B) Leucine, phenyl alanine, tryptophan. 24. Two components of starch are A) Amylase, amylose. B) Amylase, amylopectin. C) Amylose, amylopectin. D) Glucose. Show Answer Correct Answer: C) Amylose, amylopectin. 25. Which organ in the digestive system is responsible for most of the nutrient absortion in the digestive system? A) Esophagus. B) Large intestine. C) Small intestine. D) Stomach. Show Answer Correct Answer: C) Small intestine. ← 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