This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which biomolecule is primarily responsible for storing genetic information? A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 2. The major role of carbohydrates in the human diet is to- A) Form cell membranes. B) Catalyze cellular reactions. C) Supply energy for the body. D) Provide building blocks for proteins. Show Answer Correct Answer: C) Supply energy for the body. 3. Proteins are polymers of A) Amino acids. B) Fatty acids. C) Nucleic acids. D) Carboxylic acids. Show Answer Correct Answer: A) Amino acids. 4. Stores energy in animals as glycogen A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 5. What is the primary function of proteins in the body? A) Energy storage in the body. B) Building blocks of cells and tissues. C) Regulation of body temperature. D) Transportation of oxygen in the body. Show Answer Correct Answer: B) Building blocks of cells and tissues. 6. Which biomolecule stores energy for body's future use? A) Carbohydrates. B) Lipids. C) Nucleic Acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 7. Many monomers bonded together create a ..... A) Monomer. B) Polymer. C) Hydrolysis. D) Atom. Show Answer Correct Answer: B) Polymer. 8. What are the possible types of interaction with metal complexes are associated with DNA? A) Covalent bonding. B) Groove binding. C) Hydrogen bonding. D) Intercalation. E) All the above. Show Answer Correct Answer: E) All the above. 9. When the body runs out of carbohydrates to burn for fuel, it will then turn to it's long term energy source called ..... A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 10. During photosynthesis, plants use carbon dioxide, water, and sunlight to produce which type of biomolecule? A) Carbohydrate. B) Protein. C) Lipids. D) Nucleic acid. Show Answer Correct Answer: A) Carbohydrate. 11. Which biomolecule is made from glycerol and fatty acid? A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic Acid. Show Answer Correct Answer: B) Lipid. 12. Which biomolecule group do enzymes belong in? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 13. Which of the following would NOT be a good source of protein? A) Soy beans. B) Nuts. C) Fish. D) Rice. Show Answer Correct Answer: D) Rice. 14. What type of biomolecule are enzymes? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 15. Nucleotides are monomer for A) Nucleic Acids. B) Proteins. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: A) Nucleic Acids. 16. Which biomolecule includes RNA as an example? A) Protein. B) Lipid. C) Nucleic Acid. D) Carbohydrate. Show Answer Correct Answer: C) Nucleic Acid. 17. Enzymes make chemical reactions go faster by doing what? A) Lowering the activation energy of a reaction. B) Making energy. C) Absorbing energy. D) Having a dance off with other enzymes. Show Answer Correct Answer: A) Lowering the activation energy of a reaction. 18. If athletes "pasta load, " they consume a lot of me. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: A) Carbohydrates. 19. *****I. Right end of polysaccharide is called reducing end while left end is called nonreducing end.*****II. Starch can hold I$_{2 }$molecules in its helical secondary structure but cellulose being nonhelical, cannot hold I$_{2}$*****III. Starch and glycogen are branched molecule*****IV. Starch in plant and glycogen in animal are store houses of energy A) I and IV are correct. B) II and III are correct. C) Only IV is correct. D) All are correct. Show Answer Correct Answer: D) All are correct. 20. Carbohydrates provide ..... energy. When not all of this energy is used, it becomes ..... energy as a lipid (fat). A) Slow / fast. B) Fast / stored. C) Little / big. D) Unstable / stable. Show Answer Correct Answer: B) Fast / stored. 21. Protein in food gives you energy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Proteins are used by the body for immunity, enzymes and A) Storage of energy. B) Storage of genetic Information. C) Quick energy release. D) Structure. Show Answer Correct Answer: D) Structure. 23. Which of the following best describes how DNA and RNA are similar? A) They both contain the nitrogen bases thymine and adenine. B) They both are formed in a double helix structure. C) They both are composed of five different nucleotides. D) They both contain the nitrogen bases cytosine and guanine. Show Answer Correct Answer: D) They both contain the nitrogen bases cytosine and guanine. 24. Chemical reaction which adds water between the bonds of polymers to break it down into separate monomers. A) Monomer. B) Dehydration synthesis. C) Hydrolysis. D) Polymer. Show Answer Correct Answer: C) Hydrolysis. 25. Proteins are made by combining ..... together. A) Monosaccharides. B) Triglycerides. C) Amino Acids. D) Nucleotides. Show Answer Correct Answer: C) Amino Acids. ← 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