This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Carbon And Its Compounds > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the two classifications of carbon compounds mentioned in the text? A) Organic and Inorganic. B) Ionic and Covalent. C) Saturated and Unsaturated. D) Hydrocarbons and Non-Hydrocarbons. Show Answer Correct Answer: A) Organic and Inorganic. 2. Describe the process of esterification. A) Esterification is the process of converting an ester into a salt without any catalysts. B) Esterification is the process of forming an ester from an alcohol and a carboxylic acid, typically in the presence of an acid catalyst. C) Esterification involves the reaction of two alcohols to form a ketone. D) Esterification is the process of breaking down an ester into an alcohol and a carboxylic acid. Show Answer Correct Answer: B) Esterification is the process of forming an ester from an alcohol and a carboxylic acid, typically in the presence of an acid catalyst. 3. What is the monomer of nucleic acids? A) Amino Acids. B) Monosaccharides. C) Glycerol. D) Nucleotides. Show Answer Correct Answer: D) Nucleotides. 4. What is the name of the hydrocarbon C$_{8}$H$_{18}$? A) Octyne. B) Octene. C) Octane. D) Cyclooctane. Show Answer Correct Answer: C) Octane. 5. Inorganic compounds may or may not have carbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What are long chains of mulecules, and are often found as fats, oils, waxes, and steriods? A) Carbohydrates. B) Nucleic acids. C) Protein. D) Lipids. Show Answer Correct Answer: D) Lipids. 7. Carbon atoms are held together by A) Hydrogen bonds. B) Covalent bonds. C) Ionic bonds. D) Carbon bonds. Show Answer Correct Answer: B) Covalent bonds. 8. The function of a nucleic acid is to ..... A) Store nuclear power in a cell. B) Store and release energy. C) Store and transmit genetic (DNA) information. D) None of the above. Show Answer Correct Answer: C) Store and transmit genetic (DNA) information. 9. Which of the following substances is a well-known polyamide? A) Plastic. B) Bakelite. C) Nylon. D) Polystyrene. Show Answer Correct Answer: C) Nylon. 10. Which biomolecule has sugars and starches? A) Proteins. B) Nucleic Acid. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 11. Methane has ..... A) Four carbon atoms. B) One carbon atom. C) Three carbon atoms. D) Two carbon atoms. Show Answer Correct Answer: B) One carbon atom. 12. Hydrocarbon compounds that have only single covalent bonds between carbon atoms in the chain or ring A) Alkane. B) Cycloalkane. C) Alkene. D) Cycloalkene. Show Answer Correct Answer: A) Alkane. 13. What does "monomer" mean? A) No units. B) One unit. C) Two units. D) Many units. Show Answer Correct Answer: B) One unit. 14. Cells are largely made of organic compounds that contain carbon. Which property of the carbon atom makes it an essential component of organic compounds? A) Carbon oxidizes to carbon dioxide. B) Carbon can form four covalent bonds. C) Carbon is a nonmetal. D) Carbon is solid at room temperature. Show Answer Correct Answer: B) Carbon can form four covalent bonds. 15. What is the primary function of carbohydrates? A) To provide energy and support cellular structure. B) To store genetic information. C) To act as enzymes in biochemical reactions. D) To transport oxygen in the blood. Show Answer Correct Answer: A) To provide energy and support cellular structure. 16. Juan Miguel wants to protect his bicycle's parts from rusting fast. Which of the following material do you think will Miguel use? A) Kerosene. B) Vinegar. C) Lubricating Oil. D) Isopropyl Alcohol. Show Answer Correct Answer: C) Lubricating Oil. 17. What is the function of a nucleic acid? A) Controls rate of chemical reactions. B) Found in biological membranes. C) Stores energy. D) Transmits hereditary information. Show Answer Correct Answer: D) Transmits hereditary information. 18. Natural rubber is soft, elastic and not heat resistant. How can it be made harder, more elastic and more heat resistant? A) Add vinegar with it. B) Immerse it in ammonia solution. C) Heat it with sulphur. D) Heat it with carbon. Show Answer Correct Answer: C) Heat it with sulphur. 19. Which has every carbon atom covalently bonded to four other atoms? A) Graphite. B) Diamond. C) Fullerene. D) None of these. Show Answer Correct Answer: B) Diamond. 20. What carbon compound is our main source of energy, and some plants use for structure? A) Lipids. B) Carbohydrates. C) Protein. D) Nucleic acids. Show Answer Correct Answer: B) Carbohydrates. 21. Which one will have triple bond? A) C7H16. B) C8H18. C) C8H16. D) C9H16. Show Answer Correct Answer: D) C9H16. 22. Find out the number of C-H bonds in 1, 3-Di-Bromo-Pentane. A) 11. B) 10. C) 14. D) 16. Show Answer Correct Answer: B) 10. 23. Which compounds have the same molecular formula but different structures? A) Organic compounds. B) Hydrocarbons. C) Isomers. D) Polymers. Show Answer Correct Answer: C) Isomers. 24. What are the four biological molecules? A) Proteins, carbohydrates, lipids, nucleic acids. B) A, T, C, G. C) Water, air, earth, and fire. D) Joe, Nick, and Kevin Jonas. Show Answer Correct Answer: A) Proteins, carbohydrates, lipids, nucleic acids. 25. What are the first 3 alkenes in increasing carbon chain length? A) Methene, ethene, propene. B) Butene, ethene, propene. C) Ethene, propene, butene. D) Ethene, propene, pentene. E) Methene, ethene, propane. Show Answer Correct Answer: C) Ethene, propene, butene. 26. The 4 macromolecules are A) Micronutrients, macronutrients, water, vitamins. B) Lipids, Waxes, Vitamin A, Water. C) Carbohydrates, Lipids, Proteins, Nucleic Acids. D) Vitamins, lipids, water, micronutrients. Show Answer Correct Answer: C) Carbohydrates, Lipids, Proteins, Nucleic Acids. 27. What is the condition for hydration of butene? A) Room temperature. B) Phosphoric acid, 60 atm, 300 $^{0}$C. C) 1000atm, 200 $^{o}$C. D) Nickel or platinum, 180$^{ o}$C. Show Answer Correct Answer: B) Phosphoric acid, 60 atm, 300 $^{0}$C. 28. What happens when Ethanol is heated at 443K with conc. H$_{2}$SO$_{4}$? A) Ethane + H$_{2}$0. B) Ethene +. O$_{2}$. C) Ethyne. + H$_{2}$0. D) Ethene + H$_{2}$0. Show Answer Correct Answer: D) Ethene + H$_{2}$0. 29. Which of the following is not a type of structure made by carbon molecules? A) Branched. B) Rectangle. C) Straight chain. D) Ringed. Show Answer Correct Answer: B) Rectangle. 30. What are the single sugars that are the building blocks of carbohydrates? A) Amino acid. B) Monosaccharides. C) Disaccharides. D) Polysaccharides. Show Answer Correct Answer: B) Monosaccharides. 31. What is the definition of macromolecules? A) Small Molecules. B) Large Molecules. C) Covalent Molecules. D) None of the above. Show Answer Correct Answer: B) Large Molecules. 32. Which of the following is NOT a use of hydrocarbons derived from fractional distillation? A) As a source of electricity. B) As fuels. C) As raw materials for the petrochemical industry. D) As fertilizers. Show Answer Correct Answer: A) As a source of electricity. 33. What are carbon compounds? A) Compounds that contain only hydrogen. B) Compounds that contain carbon as their constituent. C) Compounds that contain oxygen and nitrogen. D) Compounds that are only found in living organisms. Show Answer Correct Answer: B) Compounds that contain carbon as their constituent. 34. What are the monomers of nucleic acids? A) Nucleotides. B) Glycerol. C) Amino acids. D) Monosaccharides. Show Answer Correct Answer: A) Nucleotides. 35. Which of the following is true for all hydrocarbon? A) They have carbon and hydrogen atoms only in the molecule. B) They have carbon, oxygen and hydrogen atoms in the molecule. C) They are in the same homologous series. D) They are saturated compounds. Show Answer Correct Answer: A) They have carbon and hydrogen atoms only in the molecule. 36. The monomer of a carbohydrate is A) Amino acid. B) Monosaccharide. C) Polysaccharide. D) Nucleotide. Show Answer Correct Answer: B) Monosaccharide. 37. Organic carbon compounds are originate from A) Living things. B) Non-living things. C) All the above. D) None of the above. Show Answer Correct Answer: A) Living things. 38. Sugar belongs to which class of macromolecules? A) Nucleic acids. B) Lipids. C) Carbohydrates. D) Proteins. Show Answer Correct Answer: C) Carbohydrates. 39. Which of the following substances can undergo a dehydration reaction? A) Butanoic acid. B) Ethanoic acid. C) Methanol. D) Octanol. Show Answer Correct Answer: D) Octanol. 40. Ethanol on complete oxidation gives A) Acetic acid/ethanoic acid. B) CO2 and water. C) Ethanal. D) Acetone/ethanone. Show Answer Correct Answer: B) CO2 and water. 41. What is an alkane? A) Alkanes are cyclic hydrocarbons with the formula CnH2n. B) Alkanes are aromatic compounds with the formula CnH2n-2. C) Alkanes are unsaturated hydrocarbons with the formula CnH2n. D) Alkanes are saturated hydrocarbons with the general formula CnH2n+2. Show Answer Correct Answer: D) Alkanes are saturated hydrocarbons with the general formula CnH2n+2. 42. Ethyne is a triple bond classifies it as an alkane, which is also unsaturated carbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 43. What is Ribonucleic acid (RNA)? A) A nucleic acid containing the sugar ribose, which plays a crucial role in protein synthesis and gene regulation. B) A type of protein that helps in the formation of DNA. C) A carbohydrate that provides energy to cells. D) A lipid that forms the cell membrane. Show Answer Correct Answer: A) A nucleic acid containing the sugar ribose, which plays a crucial role in protein synthesis and gene regulation. 44. Why do atoms share electrons? A) To attain the electron configuration of a noble gas. B) To become ions and take a charge. C) To increase the mass. D) It's a nice thing to do. Show Answer Correct Answer: A) To attain the electron configuration of a noble gas. 45. Some vitamins dissolve in fats. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 46. Which type of bonding is present within organic molecules? A) Covalent bond. B) Ionic bond. C) Metallic bond. D) Hydrogen bond. Show Answer Correct Answer: A) Covalent bond. 47. Combustion of carbon compounds gives ..... A) Carbon dioxide, heat and light. B) Carbon monoxide. C) Carbon. D) Heat and light only. Show Answer Correct Answer: A) Carbon dioxide, heat and light. 48. Dehydrating ethanol in presence of sulphuric acid will give A) Ethanoic acid. B) Methane. C) Ethene. D) Ethane. Show Answer Correct Answer: C) Ethene. 49. A property of organic compound that is the measure of how easily a material burns. A) Volatility. B) Viscosity. C) Flammability. D) Odor. Show Answer Correct Answer: C) Flammability. 50. What is the building block or monomer for lipids? A) Amino acids. B) Nucleotides. C) Fatty acid & Glycerol. D) Monosaccharides. Show Answer Correct Answer: C) Fatty acid & Glycerol. 51. Phenomenon whereby two or more molecules are found to have the same molecular formula but different structural formula. A) Isomers. B) Alkyl group. C) Structural formula. D) Isomerism. Show Answer Correct Answer: D) Isomerism. 52. Which of the following is not a function of proteins? A) Immunity. B) Transport. C) Enzymatic action. D) Insulation. Show Answer Correct Answer: D) Insulation. 53. How many carbon atoms are in butane? A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: A) 4. 54. Identify the compound:C2H5OH. A) Butanol. B) Ethanol. C) Isopropanol. D) Methanol. Show Answer Correct Answer: B) Ethanol. 55. Ionic bonds form between metals and ..... A) Metalloids. B) Metals. C) Nonmetals. D) None of the above. Show Answer Correct Answer: C) Nonmetals. 56. How many structural isomers can be formed for butane? A) 2. B) 3. C) 5. D) 4. Show Answer Correct Answer: A) 2. 57. How many covalent bonds are there in a molecule of ethane (C2H6)? A) Five. B) Four. C) Seven. D) Two. Show Answer Correct Answer: C) Seven. 58. Explain the process of combustion in hydrocarbons. A) Combustion in hydrocarbons is a chemical reaction with oxygen that produces carbon dioxide, water, and energy. B) Hydrocarbons combust in the absence of oxygen, producing only heat. C) Combustion is a process that cools hydrocarbons without any chemical change. D) Combustion in hydrocarbons only produces nitrogen and sulfur dioxide. Show Answer Correct Answer: A) Combustion in hydrocarbons is a chemical reaction with oxygen that produces carbon dioxide, water, and energy. 59. Methylpropene is a isomer of ..... A) Butene. B) Propene. C) Hexene. D) Pentene. Show Answer Correct Answer: A) Butene. 60. Which monomer is the basic building block of a lipid? A) Monosaccharide. B) Nucleotide. C) Fatty acid. D) Amino acid. Show Answer Correct Answer: C) Fatty acid. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 4 Carbon And Its Compounds Quiz 1Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 2Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 3Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 4Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 5Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 6Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 7Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books