This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 9 Biomolecules – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 15 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The more bonds a molecule has, the more ..... A) Oxygen is stored. B) Force is stored. C) Energy is stored. D) Water is stored. Show Answer Correct Answer: C) Energy is stored. 2. Which chemical reactions involve complex molecules being synthesised from simpler molecules A) Hydrolysis. B) Anabolism. C) Catabolism. D) Metabolism. Show Answer Correct Answer: B) Anabolism. 3. Which biomolecule would DNA be considered? A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: D) Nucleic acids. 4. Imagine you are preparing a meal. How would the role of carbohydrates and lipids in your body be similar? A) Both would provide energy for your body. B) Both would be replicated during the process of cell division. C) Both would lower the activation energy of reactions in your body. D) Both would help dissolve nutrients in your digestive system. Show Answer Correct Answer: A) Both would provide energy for your body. 5. What is the polymer for a carbohyrdate A) Lipid. B) Polysaccharide. C) Fatty Acids. D) Triglyceride. Show Answer Correct Answer: B) Polysaccharide. 6. 9A. Carbohydrates are more easily metabolized than lipids. However, on a gram-for-gram basis lipids provide cells with more ..... A) Energy. B) Nitrogen. C) Structure. D) Proteins. Show Answer Correct Answer: A) Energy. 7. Glucose does not react with A) Conc. HNO3. B) (CH3CO)2O. C) NaHSO3. D) NH2OH. Show Answer Correct Answer: C) NaHSO3. 8. The monomer for carbohydrates is a monosaccharide. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Name the type of metabolism below involving the hydrolysis of disaccharide:sucrose $\rightarrow$ glucose + fructose A) Mutualism. B) Catabolism. C) Anabolism. D) Metabolism. Show Answer Correct Answer: B) Catabolism. 10. What does "structure= function" mean? A) The shape of something will determine its job, or what it can do. B) A building will tell you what you need to graph in your calculator. C) The shape of something will determine what it is made of. D) None of the above. Show Answer Correct Answer: A) The shape of something will determine its job, or what it can do. 11. Which of the following has the correct monomer matched? A) Lipids $\rightarrow$ Amino Acid. B) Protein $\rightarrow$ Nucleotide. C) Nucleic Acid $\rightarrow$ Glycerol & Fatty Acid. D) Carbohydrate $\rightarrow$ Monosaccharide. Show Answer Correct Answer: D) Carbohydrate $\rightarrow$ Monosaccharide. 12. Below are the four biomolecules, EXCEPT: A) Nucleic Acid. B) Protein. C) Lard. D) Carbohydrates. Show Answer Correct Answer: C) Lard. 13. Fatty acids are the building blocks of these biomolecules. A) CARBOHYDRATES. B) PROTEINS. C) LIPIDS (fats). D) NUCLEIC ACIDS. Show Answer Correct Answer: C) LIPIDS (fats). 14. Which biomolecule stores and transmits genetic information? A) Carbohydrates. B) Nucleic Acids. C) Lipids. D) Proteins. Show Answer Correct Answer: B) Nucleic Acids. 15. Keratin present in hair is an example of A) Globular protein. B) Conjugated protein. C) Fibrous protein. D) Derived protein. Show Answer Correct Answer: C) Fibrous protein. 16. How many different amino acids are there? A) 10. B) 30. C) 20. D) 40. Show Answer Correct Answer: C) 20. 17. What happens to an enzyme after it releases the product? A) Enzyme is expelled from the cell. B) Enzyme is denatured and can no longer catalyze a reaction. C) Enzyme is re-used and attaches to a new substrate. D) Enzyme becomes the product. Show Answer Correct Answer: C) Enzyme is re-used and attaches to a new substrate. 18. How do we obtain biomolecules ..... A) Excersize. B) Photosynthesis. C) Sleep. D) We eat stuff. Show Answer Correct Answer: D) We eat stuff. 19. The monomers of proteins are: A) Amino Acids. B) Nucleotides. C) Fatty acids. D) Monosaccharides. Show Answer Correct Answer: A) Amino Acids. 20. Which biomolecule is also known as enzymes? A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic Acid. Show Answer Correct Answer: C) Protein. 21. Enzymes are an example of A) Carbohydrate. B) Protein. C) Nucleic Acid. D) Lipids. Show Answer Correct Answer: B) Protein. 22. Enzymes have which suffix? A) OSE. B) ASE. C) THERMO. D) None of the above. Show Answer Correct Answer: B) ASE. 23. Your friend is feeling irritable, lightheaded, and dizzy. He is also feeling a bit of confusion and brain fog. What biomolecule does your friend need? A) Nucleic Acids. B) Proteins. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: C) Carbohydrates. 24. ..... make up the majority of the bilayer of cell membranes. A) Nucleic acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: C) Lipids. 25. What element ONLY has these elements?(carbon, hydrogen, oxygen, and nitrogen or CHON) A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 26. The main job of carbohydrates is A) Genetic material. B) Weight gain. C) Main energy source. D) Muscle development. Show Answer Correct Answer: C) Main energy source. 27. Carbon, hydrogen, oxygen, nitrogen, and phosphorous (CHONP) make up which biomolecule? A) Protein. B) Nucleic acid. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: B) Nucleic acid. 28. Glycosidic linkage is an A) Amide linkage. B) Ether linkage. C) Ester linkage. D) Acetyl linkage. Show Answer Correct Answer: B) Ether linkage. 29. Which foods are a good energy source? A) Meats, Yogurt, Cheese. B) Ice Cream, Candy, Cookies. C) Fruits, Vegetables, Whole Grains. D) Butter, Lard, Oil. Show Answer Correct Answer: C) Fruits, Vegetables, Whole Grains. 30. Which sequence of DNA bases would pair with the ones shown in the partial strand below?ATG TGA CAG A) ATG ACT GTC. B) ATG TGA CAG. C) TIC TAC TOE. D) TAC ACT GTC. Show Answer Correct Answer: D) TAC ACT GTC. 31. Which biomolecule is made up of monomers called phospholipids? A) Protein. B) Nucleic Acid. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: C) Lipid. 32. What is the primary function of a monomer? A) Create essential proteins. B) Bond to make a polymer. C) Stores energy. D) Splits to make more cells. Show Answer Correct Answer: B) Bond to make a polymer. 33. Which of these are considered organic A) C$_{2}$H$_{4}$. B) H$_{2}$O. C) NaCl. D) CaF$_{2}$. Show Answer Correct Answer: A) C$_{2}$H$_{4}$. 34. ADP has ..... phosphates. A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: D) 2. 35. Which of these is not a biomolecule ..... A) Nucleic acid. B) Carbohydrate. C) Lipid. D) Monomer. Show Answer Correct Answer: D) Monomer. 36. Sources of variation in the genetic code include ..... A) Point mutation. B) Insertion. C) Deletion. D) All of these. Show Answer Correct Answer: D) All of these. 37. Carbohydrates can be used efficiently as a fuel A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. In an experiment, a student tests the effect of temperature on enzyme activity. Which biomolecule is being studied? A) Proteins. B) Nucleic Acids. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: A) Proteins. 39. Water is on the left hand side of the equation in ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrolysis. 40. Which biomolecules main function is to store and transmit genetic information? A) Nucleic Acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: A) Nucleic Acids. 41. Polymers are converted to monomers in ..... A) Anabolism. B) Dehydration Synthesis. C) Hydrolysis. D) None of the above. Show Answer Correct Answer: C) Hydrolysis. 42. Every living cell, DNA and RNA serve as the molecules that store and transmit genetic information throughout the cell. These molecules are both forms of which biomolecule? A) Nucleic acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: A) Nucleic acids. 43. Which of the following would be a food source of protein? A) Strawberries. B) Oil. C) Poultry. D) Lettuce. Show Answer Correct Answer: C) Poultry. 44. Which is NOT an example of Proteins? A) Apple. B) Meat. C) Some Seeds. D) Eggs. Show Answer Correct Answer: A) Apple. 45. Enzymes act on ..... to speed up a reaction. A) Products. B) Substrates. C) Activations site. D) Proteins. Show Answer Correct Answer: B) Substrates. 46. The sugar end of the DNA strand is referred to as the ..... end and the phosphate end is referred to as the ..... end. A) Top ; bottom. B) 5' ; 3'. C) Hydrogen ; polynucleotide. D) 3' ; 5'. Show Answer Correct Answer: D) 3' ; 5'. 47. Which biomolecule contains Deoxyribonucleic acid; a sequence of bases that makes hereditary code; Ribonucleic acid; translate hereditary code into proteins that determine how the cell will function under various conditions; provides storage and retrieval of information; encode genes, gene expression, helps make proteins A) Lipid. B) Carbohydrate. C) Protein. D) Nucleic Acid. Show Answer Correct Answer: D) Nucleic Acid. 48. Evelyn, Emma, Ava, Kai, and Avery are planning a fun picnic. They are discussing what food to bring. Liam suggests they should bring some food items that are rich in biomolecules commonly known as fats and oils. Which biomolecule is he referring to? A) Nucleic acids. B) Lipids. C) Carbohydrates. D) Proteins. Show Answer Correct Answer: B) Lipids. 49. Which biomolecule is found in almost all food sources? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 50. (question 5) Which biomolecule contains fats and oils? A) Lipids. B) Nucleic Acid. C) Carbohydrate. D) Proteins. Show Answer Correct Answer: A) Lipids. 51. Imagine this! Evelyn, Henry, and Abigail are on a thrilling quest to uncover the secrets of life itself. They stumble upon a mysterious riddle about a certain biomolecule that plays a crucial role in cell structure and signaling. Can you help them solve this riddle? Which biomolecule are they discussing? A) Lipid. B) Nucleic acid. C) Carbohydrate. D) Protein. Show Answer Correct Answer: D) Protein. 52. Lipids (of fats) are made from which monomer? A) Monosaccharides. B) Triglycerides. C) Nucleotides. D) Amino Acids. Show Answer Correct Answer: B) Triglycerides. 53. Which biomolecule is the primary component of the cell membrane A) Protein. B) Carbohydrate. C) Lipid. D) Nucleic acid. Show Answer Correct Answer: C) Lipid. 54. In the video, the scientist said that Sudan IV is a ..... dye, which is why we can use it to identify ..... easily. A) Lipophilic, simple sugars. B) Lipophilic, fats. C) Lipophobic, carbohydrates. D) Lipophobic, proteins. Show Answer Correct Answer: B) Lipophilic, fats. 55. Each enzyme only has 1 substrate that will fit its active site. What is this called? A) Denaturation. B) Specificity. C) Reusablility. D) Fragility. Show Answer Correct Answer: B) Specificity. 56. Which biomolecule is not a true polymer? A) Lipids. B) Carbohydrates. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Lipids. 57. Two strands in DNA are complementry due to A) Base pairing sequence rule. B) Base formation. C) Phosphate group location. D) None. Show Answer Correct Answer: A) Base pairing sequence rule. 58. Which macromolecule has carbon A) Carbs. B) Lipids. C) Nucleic acid. D) Protein. E) All biomolecules have carbon. Show Answer Correct Answer: E) All biomolecules have carbon. 59. What does the element N stand for? A) Nitrogen. B) Neptunium. C) Neon. D) Neodymium. Show Answer Correct Answer: A) Nitrogen. 60. What are lipids? A) Fats. B) Protein. C) DNA. D) Sugar. Show Answer Correct Answer: A) Fats. ← 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