This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which biomolecules provide quick energy for the cell? A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: A) Carbohydrates. 2. Lipids are insoluble in water because lipid molecules are ..... ? A) Hydophilic. B) Hydrophobic. C) Neutral. D) None of the above. Show Answer Correct Answer: B) Hydrophobic. 3. The following equation represents the digestion of a protein.Peptide + Water $\rightarrow$ Amino acid + Amino Acid What type of reaction does this demonstrate? A) Dehydration synthesis. B) Combustion. C) Hydrolysis. D) Single replacement. Show Answer Correct Answer: C) Hydrolysis. 4. It is essential for the storage and expression of genetic information. A) Carbohydrate. B) Protein. C) Lipid. D) Nucleic Acid. Show Answer Correct Answer: D) Nucleic Acid. 5. What type of energy makes a battery useful? A) Electrical. B) Magnetic. C) Chemical. D) Nuclear. Show Answer Correct Answer: C) Chemical. 6. The small repeating units that make up proteins are called A) Fatty acids. B) Amino acids. C) Monosaccharides. D) Nucleotides. Show Answer Correct Answer: B) Amino acids. 7. The alpha and beta forms of glucose are A) Isomers of D (+) glucose and L (-) glucose respectivel. B) Diastereomers of glucose. C) Anomers of glucose. D) Isomers which differ in the configuration of C-2. Show Answer Correct Answer: C) Anomers of glucose. 8. What do monomers do? A) Bond to make a polymer. B) Create essential proteins. C) Stores energy. D) Splits to make more cells. Show Answer Correct Answer: A) Bond to make a polymer. 9. What does the element C stand for? A) Chalk. B) Cesium. C) Calcium. D) Carbon. Show Answer Correct Answer: D) Carbon. 10. The waxy, organic substances used by aquatic birds to coat their feathers, when analyzed consists mostly of A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: A) Lipids. 11. Which of the following is a characteristic of lipids? A) They are soluble in water. B) They are composed of amino acids. C) They are a major component of cell membranes. D) They store genetic information. Show Answer Correct Answer: C) They are a major component of cell membranes. 12. Which of the following acid is a vitamin A) Aspartic acid. B) Ascorbic acid. C) Adipic acid. D) Saccharic acid. Show Answer Correct Answer: B) Ascorbic acid. 13. What biomolecule serves as structural materials in hair, nails and connective tissues? A) Protein. B) Lipid. C) Carbohydrate. D) Nucleic acid. Show Answer Correct Answer: A) Protein. 14. Which one is NOT a biomolecule? A) Carbohydrate. B) Lipid. C) Nucleic acid. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 15. Which contains carbon, hydrogen, oxygen and has a ring-like structure? A) Nucleic acid. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: B) Carbohydrates. 16. What is an example of a carbohydrate? A) Butter. B) Pasta. C) Meat. D) Strawberries. Show Answer Correct Answer: B) Pasta. 17. Which of the following is NOT included in the group? A) Sugar. B) Oil. C) Waxes. D) Fats. Show Answer Correct Answer: A) Sugar. 18. Lipids key role (function ) is: A) Immunity, chemical reactions in the body, cell metabolism, contract muscles, regulate other proteins. B) Store energy. C) Instant energy for cells/body. D) Heredity/genetic information. Show Answer Correct Answer: B) Store energy. 19. FATTY ACIDS AND GLYCEROL ARE THE BUILDING BLOCKS OF ..... A) CARBOHYDRATES. B) LIPIDS. C) NUCLEIC ACIDS. D) PROTEINS. Show Answer Correct Answer: B) LIPIDS. 20. The chain of monomers that form proteins are called ..... A) The primary structure. B) The secondary structure. C) The tertiary structure. D) The quaternary structure. Show Answer Correct Answer: A) The primary structure. 21. The monomer for a nucleic acid is: A) Fatty acid. B) Monosaccharide. C) Nucleotide. D) Amino acid. Show Answer Correct Answer: C) Nucleotide. 22. The biomolecule that stores our genetic information. A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 23. Which biomolecule builds muscle? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 24. Information and instructions on how to build and operate the body are stored in and carried out by ..... A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 25. Which biomolecule is an antibody that helps defend against disease? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books