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 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A soap molecule has a A) Hydrophobic head and hydrophobic tail. B) Hydrophobic head and hydrophilic tail. C) Hydrophilic head and hydrophilic tail. D) Hydrophilic head and hydrophobic tail. Show Answer Correct Answer: D) Hydrophilic head and hydrophobic tail. 2. The property of self-linkage among identical atoms to form long chain compounds is known A) Isomerisation. B) Superposition. C) Halogenation. D) Catenation. Show Answer Correct Answer: D) Catenation. 3. What kind of carbohydrate is formed when 2 glucose molecules are bonded together? A) Lactose. B) Fructose. C) Sucrose. D) Maltose. Show Answer Correct Answer: D) Maltose. 4. What is an alkane with five carbon atoms called? A) Decane. B) Heptane. C) Octane. D) Pentane. Show Answer Correct Answer: D) Pentane. 5. When wood is heated in a limited supply of air it forms? A) Diamond. B) Charcoal. C) Graphite. D) Coal. Show Answer Correct Answer: B) Charcoal. 6. Which molecular chemical bond found commonly in organic compounds? A) Ionic Bond. B) Covalent Bond. C) Van Der Waals Force. D) Hydrogen Bond. Show Answer Correct Answer: B) Covalent Bond. 7. What is the function of sodium chloride during the preparation of soap? A) Act as a catalyst. B) To precipitate the soap from its solution. C) To harden the soap. D) To reduce the intermolecular attractions in water. Show Answer Correct Answer: B) To precipitate the soap from its solution. 8. Compare enzyme activity to a lock and key. A) Enzyme = locksubstrate = keyOnly 1 set of substrates will fit an enzyme. B) Enzyme = keysubstrate = lockenzyme fits in substrate. C) All the above. D) None of the above. Show Answer Correct Answer: A) Enzyme = locksubstrate = keyOnly 1 set of substrates will fit an enzyme. 9. Which of the following is not the property of natural rubber? A) Sensitive to heat. B) Elasticity decreases over time. C) Easily oxidized by air. D) Hard and brittle. Show Answer Correct Answer: D) Hard and brittle. 10. Carbohydrates' main function is to ..... A) Fight disease. B) Deal with structure. C) Store and release energy. D) None of the above. Show Answer Correct Answer: C) Store and release energy. 11. Which pair are oxidising agents that add oxygen in reactions? A) Water and sugar. B) Oil and vinegar. C) Salt and sand. D) KMnO4 and K2Cr2O7. Show Answer Correct Answer: D) KMnO4 and K2Cr2O7. 12. Which of the following materials is suitable for making aeroplane window? A) Glass. B) PVC. C) Perspex. D) Melamine. Show Answer Correct Answer: C) Perspex. 13. What type of bond is present in carbon-carbon double bonds? A) One pi bond and one delta bond. B) One sigma bond and one pi bond. C) Two sigma bonds. D) One sigma bond. Show Answer Correct Answer: B) One sigma bond and one pi bond. 14. In an addition reaction of an unsaturated hydrocarbon, what is added across the double bond? A) Water drops are added. B) Oxygen atoms are added. C) Chlorine gas is added. D) Hydrogen atoms are added. Show Answer Correct Answer: D) Hydrogen atoms are added. 15. How is carbon used in the ecosystem? A) With plants during photosynthesis. B) To create oxygen in trees. C) To filter water through rock formations. D) All of the above. Show Answer Correct Answer: A) With plants during photosynthesis. 16. If an alkane has 10 carbon atoms, how many hydrogen atoms will it have? A) 40. B) 22. C) 20. D) 42. Show Answer Correct Answer: B) 22. 17. The process of conversion of vegetable oils to vegetable ghee involves: A) Hydrogenation. B) Oxidation. C) Esterification. D) Polymerization. Show Answer Correct Answer: A) Hydrogenation. 18. What is the chemical symbol of carbon? A) Cr. B) Ca. C) Cf. D) C. E) Cu. Show Answer Correct Answer: D) C. 19. ..... are many monomers bonded together that form a larger molecule. A) Trinominers. B) Monomers. C) DNA. D) Polymers. Show Answer Correct Answer: D) Polymers. 20. Which of the following elements make up nucleic acids? A) C, H, O, Ca, S. B) C, H, O, N. C) C, H, O, N, P. D) C, H, O. Show Answer Correct Answer: C) C, H, O, N, P. 21. Carbohydrate monomer: A) Fatty acids. B) Nucleotides. C) Amino acids. D) Monosaccharides. Show Answer Correct Answer: D) Monosaccharides. 22. What is the main source of hydrocarbons? A) Coal. B) Natural gas. C) Petroleum. D) Biomass. Show Answer Correct Answer: C) Petroleum. 23. Which of the following could contain a triple bond? A) C$_{4}$H$_{10}$. B) C$_{4}$H$_{8}$. C) C$_{4}$H$_{12}$. D) C$_{4}$H$_{6}$. Show Answer Correct Answer: D) C$_{4}$H$_{6}$. 24. Waxes, oils and fats are examples of A) Lipids. B) Carbohydrates. C) Nucleic Acids. D) Proteins. Show Answer Correct Answer: A) Lipids. 25. What is the role of nucleic acids? A) To store and transmit genetic information. B) To provide energy for cellular processes. C) To act as enzymes in biochemical reactions. D) To form the structural components of cell membranes. Show Answer Correct Answer: A) To store and transmit genetic information. 26. What is the atomic number of hydrogen? A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: C) 1. 27. List two examples of carbon compounds that are used as fuels. A) Butane. B) Methane, Gasoline. C) Propane. D) Ethanol. Show Answer Correct Answer: B) Methane, Gasoline. 28. Which of the following is a result of excess intake of alcohol? A) Stomach ulcer. B) Anaemia. C) Obesity. D) Diabetic. Show Answer Correct Answer: A) Stomach ulcer. 29. What is the general formula for alkynes? A) CnH2n-2. B) CnH2n. C) CnH2n-4. D) CnH2n+2. Show Answer Correct Answer: A) CnH2n-2. 30. The flow/movement of electric charges A) Circuit. B) Voltage. C) Current. D) Resistance. Show Answer Correct Answer: C) Current. 31. Which IS a function for Nucleic Acids? A) Code your genes. B) To balance out your bases. C) To create energy. D) To create a nucleus. Show Answer Correct Answer: A) Code your genes. 32. Which of the following is a characteristic of unsaturated hydrocarbons? A) They are always gases at room temperature. B) They contain at least one double or triple bond. C) They are derived only from plants. D) They contain only single bonds. Show Answer Correct Answer: B) They contain at least one double or triple bond. 33. Potassium cyanide, KCN is a A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic compound. 34. One of carbons most important chemical features is that it makes ..... bonds. A) Covalent. B) Hydrogen. C) Metallic. D) Ionic. Show Answer Correct Answer: A) Covalent. 35. Which one is NOT a function for Carbohydrates? A) Short Term Energy. B) Cell walls. C) Digestion. D) Plant Structure. Show Answer Correct Answer: C) Digestion. 36. Aromatic compounds usually undergo which type of reaction A) Electrophilic substitution reaction. B) Electrophilic addition reaction. C) Nucleophilic addition reaction. D) Nucleophilic substitution reaction. Show Answer Correct Answer: A) Electrophilic substitution reaction. 37. Explain how combustion of hydrocarbons affects air quality. A) Combustion of hydrocarbons only releases water vapor into the atmosphere. B) Combustion of hydrocarbons has no effect on air quality. C) Combustion of hydrocarbons degrades air quality by releasing harmful pollutants and greenhouse gases. D) Combustion of hydrocarbons improves air quality by reducing pollutants. Show Answer Correct Answer: C) Combustion of hydrocarbons degrades air quality by releasing harmful pollutants and greenhouse gases. 38. Nylon is a macromolecule which is held together by the same linkage as a protein molecule. What is the name given to this type of linkage? A) Ether linkage. B) Ester linkage. C) Amide bond. D) Double bond. Show Answer Correct Answer: C) Amide bond. 39. Organic chemistry is the chemistry of ..... A) Hydrogen. B) Sodium. C) Oxygen. D) Carbon. Show Answer Correct Answer: D) Carbon. 40. Which among the following is not a component of nucleic acids? A) A five-carbon sugar. B) Carboxylic acid. C) Phosphate group. D) A nitrogenous base. Show Answer Correct Answer: B) Carboxylic acid. 41. Proteins and carbohydrates are similar in that both: A) Are polymers containing carbon, hydrogen, and oxygen. B) Are monomers containing carbon, hydrogen, and oxygen. C) Are polymers containing carbon, hydrogen, and nitrogen. D) Are monomers containing carbon, hydrogen, carbon, and nitrogen. Show Answer Correct Answer: A) Are polymers containing carbon, hydrogen, and oxygen. 42. The process of making a polymer by bonding together monomers is called A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dehydration Synthesis. 43. Unsaturated compounds show addition reactions but saturated compounds do not because A) Saturated compounds contain double bonds. B) Unsaturated compounds contain single C-C bonds only. C) Unsaturated compounds contain multiple bonds. D) Saturated compounds are much more reactive than unsaturated compounds. Show Answer Correct Answer: C) Unsaturated compounds contain multiple bonds. 44. Carbon dioxide + water $\rightarrow$ glucose(carb) and oxygen A) Formula for sugar. B) Photosynthesis equation. C) Chemical reaction in aerobic organisms. D) Cellular respiration equation. Show Answer Correct Answer: B) Photosynthesis equation. 45. It is a type of hydrocarbon which is composed of chains of carbon atoms. A) Alkanes. B) Aromatic hydrocarbons. C) Alkenes. D) Aliphatic hydrocarbons. Show Answer Correct Answer: D) Aliphatic hydrocarbons. 46. What is the suffix used for alcohol group? A) Ol. B) Oic. C) One. D) Al. Show Answer Correct Answer: A) Ol. 47. What are the percentage of carbon in the earth? A) 5.5%. B) 70.429%. C) 0.04%. D) 16.03%. Show Answer Correct Answer: C) 0.04%. 48. Reaction that breaks apart polymers by adding water: A) Dehydration synthesis. B) Reduction. C) Hydrolysis. D) Combustion. Show Answer Correct Answer: C) Hydrolysis. 49. It is the study of the carbon-containing compounds A) Organic Chemistry. B) Analytical Chemistry. C) Inorganic Chemistry. D) Biochemistry. Show Answer Correct Answer: A) Organic Chemistry. 50. Amino acids have a chain like bond A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 51. Molecules that contain carbon and are found in living things are called A) Living. B) Organic. C) Decomposers. D) Inorganic. Show Answer Correct Answer: B) Organic. 52. What are the products formed when organic compounds burn completely? A) Carbon and oxygen. B) Carbon dioxide and water. C) Carbon, carbon monoxide and water. D) Carbon, carbon dioxide and water. Show Answer Correct Answer: B) Carbon dioxide and water. 53. This process require carbon dioxide, water and sunlight to produce glucose and oxygen. What is the process described? A) Respiration. B) Photosynthesis. C) Transpiration. D) Decomposition. Show Answer Correct Answer: B) Photosynthesis. 54. Which of the following is NOT an example of an addition reaction for alkenes? A) Hydrogenation. B) Dehydration. C) Halogenation. D) Hydration. Show Answer Correct Answer: B) Dehydration. 55. This is NOT an organic molecule found in living organisms A) Protein. B) Water. C) Carbohydrate. D) Sugar. Show Answer Correct Answer: B) Water. 56. ..... is the reaction whereby water is ADDED and polymers are broken down into individual monomers. A) Condensation. B) Polymerization. C) Glycolysis. D) Hydrolysis. Show Answer Correct Answer: D) Hydrolysis. 57. What is the atomic number of chlorine? A) 17. B) 18. C) 20. D) 19. Show Answer Correct Answer: A) 17. 58. Hydrocarbon compounds that have only single covalent bonds between carbon atoms and form a ring structure A) Alkene. B) Alkane. C) Cycloalkane. D) Cycloalkene. Show Answer Correct Answer: C) Cycloalkane. 59. Unsaturated hydrocarbons contain ..... A) Only double bonds. B) Only single bonds between carbon atoms. C) At least one double or triple bond between carbon atoms. D) Only triple bonds. Show Answer Correct Answer: C) At least one double or triple bond between carbon atoms. 60. Which of the molecular formula is unsaturated hydrocarbon? A) C$_{3}$H$_{6}$. B) C$_{5}$H$_{12}$. C) C$_{4}$H$_{10}$. D) C$_{6}$H$_{14}$. Show Answer Correct Answer: A) C$_{3}$H$_{6}$. ← 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 7Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 8Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books