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 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organic chemistry; the elements of life: A) C, H, F, Li, K, S. B) C, O, F, He, S, K. C) C, H, O, P, S, N. D) C, V, Na, N, S, P. Show Answer Correct Answer: C) C, H, O, P, S, N. 2. What is a Polysaccharide? A) A small carbohydrate molecule formed by linking two monosaccharide units. B) A large carbohydrate molecule formed by linking many monosaccharide units, used for energy storage or structural support. C) A type of protein that helps in muscle contraction. D) A lipid molecule that stores energy in the form of fat. Show Answer Correct Answer: B) A large carbohydrate molecule formed by linking many monosaccharide units, used for energy storage or structural support. 3. Carbon dioxide is an example of ..... A) Organic carbon compounds. B) Inorganic carbon compounds. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic carbon compounds. 4. Carbon has ..... valence electrons and can bond with 4 other atoms. A) 2. B) 6. C) 4. D) 8. Show Answer Correct Answer: C) 4. 5. Atomic No. of Carbon, No. of Electron, No. of Proton, No of electron is A) 7. B) 4. C) 6. D) 12. Show Answer Correct Answer: C) 6. 6. How many electrons are shared in a single bond? A) 4. B) 1. C) 2. D) 6. Show Answer Correct Answer: C) 2. 7. Both alkanes and alkenes react rapidly with aqueous bromine at room temperature (dark condition) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. Which of the following compounds has the highest boiling point? A) Propanal. B) Propan-1-ol. C) Ethyl methanoate. D) Propanone. Show Answer Correct Answer: B) Propan-1-ol. 9. Which type of compounds contain only carbon and hydrogen? A) Carboxylic acids. B) Esters. C) Alcohols. D) Alkanes. Show Answer Correct Answer: D) Alkanes. 10. Name the alcohol formed by the fermentation of sugars. A) Butanol. B) Ethanol. C) Methanol. D) Propanol. Show Answer Correct Answer: B) Ethanol. 11. This macromolecule make up cell membranes, store energy, and provide insulation A) Lipids. B) Nucleic acid. C) Protein. D) Carbohydrate. Show Answer Correct Answer: A) Lipids. 12. A ..... contains one molecule of sugar. A) Monosaccharide. B) Polysaccharide. C) Lipid. D) Disaccharide. Show Answer Correct Answer: A) Monosaccharide. 13. ..... role in the body are chemical messengers, store and provide energy, maintain temperature. A) Lipids. B) Proteins. C) Hydrogen. D) Glucose. Show Answer Correct Answer: A) Lipids. 14. What is the general formula for hydrocarbons? A) CnH2n. B) CnH2n+2. C) CnH2n-2. D) CnHn+2. Show Answer Correct Answer: B) CnH2n+2. 15. Which has a 3D hexagonal structure? A) Graphite. B) Diamond. C) Fullerene. D) None of these. Show Answer Correct Answer: B) Diamond. 16. A ..... compound is derived from living organisms containing carbon-carbon bonds. A) Inorganic. B) Organic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Organic. 17. Which of the following statements is TRUE about vulcanised rubber compare to unvulcanised rubber? A) Less elastic. B) Harder and stronger. C) Easier to oxidise. D) Easier to melt. Show Answer Correct Answer: B) Harder and stronger. 18. What is a macromolecule? A) A very small organic molecule, such as a sugar or amino acid. B) A very large organic molecule, such as a protein or nucleic acid, composed of many smaller repeating subunits. C) A type of inorganic compound that does not contain carbon. D) A molecule that is only found in living organisms. Show Answer Correct Answer: B) A very large organic molecule, such as a protein or nucleic acid, composed of many smaller repeating subunits. 19. A type of biological molecule that includes fats, oils, hormones, waxes, and components of cellular membranes ..... A) Lipids. B) Carbohydrates. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: A) Lipids. 20. Which type of compounds are obtained from living things such as sugar, starch, and protein? A) Hydrocarbons. B) Ionic compounds. C) Organic compounds. D) Inorganic compounds. Show Answer Correct Answer: C) Organic compounds. 21. ..... is the reaction whereby monomers bond together and a water molecule is LOST. A) Polymerization. B) Hydrolysis. C) Condensation. D) Glycolysis. Show Answer Correct Answer: C) Condensation. 22. Which biomolecule provides a waterproof coating on a duck's feathers? A) Carbohydrates. B) Nucleic Acids. C) Proteins. D) Lipids. Show Answer Correct Answer: D) Lipids. 23. Which of the following substances can be used to differentiate hexane and hexene? A) Bromine water. B) Dilute sulphuric acid. C) Sodium hydroxide solution. D) Lime water. Show Answer Correct Answer: A) Bromine water. 24. What atoms make up all carbohydrates? A) Carbon, Oxygen, Hydrogen. B) Carbon, Oxygen, Nitrogen. C) Carbon, Oxygen, Phosphorus. D) Carbon, Sulfur, Hydrogen. Show Answer Correct Answer: A) Carbon, Oxygen, Hydrogen. 25. What group of hydrocarbons are saturated? A) Alkenes. B) Benzene. C) Alkanes. D) Alkynes. Show Answer Correct Answer: C) Alkanes. 26. ..... is the storage form of excess glucose in plants. A) Cellulose. B) Starch. C) Sugar. D) Glycogen. Show Answer Correct Answer: B) Starch. 27. A large molecule made up of monomers chained together: A) Peptide. B) Monosaccharide. C) Polymer. D) Glucose. Show Answer Correct Answer: C) Polymer. 28. All vitamins dissolve in water and must be replaced daily. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. Which of the following is NOT A PROPERTY of organic compounds? A) Flammability. B) Malleability. C) Odor. D) Viscosity. Show Answer Correct Answer: B) Malleability. 30. Carbon makes really strong covalent bonds with itself & other elements because: A) It has 6 protons. B) It has a larger mass than any other element. C) It has 4 valence electrons. D) None of the above. Show Answer Correct Answer: C) It has 4 valence electrons. 31. Which of the following is a renewable energy resource? A) Coal. B) Natural gas. C) Geothermal. D) Petroleum. Show Answer Correct Answer: C) Geothermal. 32. Which key term is described as the attractive force BETWEEN molecules? A) Intramolecular forces. B) Inner molecular forces. C) Outer molecular forces. D) Intermolecular forces. Show Answer Correct Answer: D) Intermolecular forces. 33. What does the prefix 'Poly-' mean? A) Many. B) One. C) Large. D) Small. Show Answer Correct Answer: A) Many. 34. How many electrons does hydrogen need to fill its K shell? A) Four. B) Two. C) One. D) Three. Show Answer Correct Answer: C) One. 35. Prefix But is used when no. of carbon are A) 5. B) 1. C) 4. D) 3. Show Answer Correct Answer: C) 4. 36. What is cracking? A) Process of breaking long chain alkenes into shorter chain alkanes, alkenes and hydrogen. B) Process of breaking long chain alkanes into shorter chain alkanes, alkenes and hydrogen. C) Process of separating long chain alkanes into shorter chain alkanes, alkenes and hydrogen. D) Process of breaking long chain haloalkanes into shorter chain haloalkenes. Show Answer Correct Answer: B) Process of breaking long chain alkanes into shorter chain alkanes, alkenes and hydrogen. 37. There are four macromolecules. Three of them include proteins, carbohydrates and nucleic acid. What is the fourth one? A) Amino acid. B) Lipid. C) Polymer. D) None of the above. Show Answer Correct Answer: B) Lipid. 38. What is the suffix for single bonded hydrocarbons? A) -one. B) -yne. C) -ene. D) -ane. Show Answer Correct Answer: D) -ane. 39. The element ..... is found in all of the organic compounds. A) Nitrogen. B) Carbon. C) Oxygen. D) Iron. Show Answer Correct Answer: B) Carbon. 40. Molecules with the same formula but different structures are known as: A) Isotopes. B) Ions. C) Isomers. D) Ionic bonds. Show Answer Correct Answer: C) Isomers. 41. Fatty acids and glycerol are components of which macromolecule? A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: C) Lipids. 42. Why is synthetic rubber suitable for making windscreen laminating film? A) Not easily vulcanized. B) Not easily oxidized by oxygen or the ozone. C) Resistant to alkalis and acids. D) Impermeable to water and gas. Show Answer Correct Answer: D) Impermeable to water and gas. 43. The process in which macromolecules are formed is called A) Inorganic arrangement. B) Organic arrangement. C) Carbonization. D) Polymerization. Show Answer Correct Answer: D) Polymerization. 44. Compounds that have the same molecular formula but different structural arrangements are called ..... A) Hydrocarbon. B) Compound. C) Isomers. D) Covalent bond. Show Answer Correct Answer: C) Isomers. 45. What is the prefix for 1? A) Di. B) Mono. C) Tetra. D) Tri. Show Answer Correct Answer: B) Mono. 46. Compound with an amino group on one end and a carboxyl group on the other end. A) Amino Acid. B) Lipid. C) Polymer. D) Nucleic Acid. Show Answer Correct Answer: A) Amino Acid. 47. Identify a common carbon compound used in plastics. A) Polyethylene. B) Polyvinyl chloride. C) Polystyrene. D) Polypropylene. Show Answer Correct Answer: A) Polyethylene. 48. The organic compounds that have many structural purposes and are used in many processes within thecell are called ..... A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic Acids. Show Answer Correct Answer: B) Proteins. 49. Ethane and propane are hydrocarbon compounds from the same homologous series. Which statement is true for both ethane and propane? A) Undergo addition reaction with chlorine. B) Undergo substitution reaction with bromine. C) Have the same physical properties. D) Produce the same amount of heat on combustion. Show Answer Correct Answer: B) Undergo substitution reaction with bromine. 50. In the following chemical reaction, what are the products:Starch + Water $\rightarrow$ Glucose A) Starch + Water. B) Glucose. C) All the above. D) None of the above. Show Answer Correct Answer: B) Glucose. 51. Saturated hydrocarbons contain single bonds and double bonds A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 52. What biomolecule is insoluble in water and provide insulation to animals? A) Lipid. B) Protein. C) Carbohydrate. D) Nucleic acid. Show Answer Correct Answer: A) Lipid. 53. What would the formula be for the 56 carbon alkene? A) C$_{56}$H$_{112}$. B) C$_{56}$H$_{56}$. C) C$_{56}$H$_{110}$. D) C$_{56}$H$_{114}$. Show Answer Correct Answer: A) C$_{56}$H$_{112}$. 54. How do carbon atoms form many organic compounds? A) By attracting other elements towards themselves to form the bonds. B) By forming many bonds with other carbon atoms and other elements. C) By sharing their electrons with other metal and non-metal elements. D) By transferring their electrons to the atoms of surrounding elements. Show Answer Correct Answer: B) By forming many bonds with other carbon atoms and other elements. 55. A students is provided with palm oil and she is asked to produce solid soap. What is the process that she need to carry? A) Fermentation. B) Saponification. C) Combustion. D) Distillation. Show Answer Correct Answer: B) Saponification. 56. What are polymers and how are they related to carbon compounds? A) Polymers are large molecules made of repeating units (monomers) and are often carbon compounds. B) Polymers are small molecules that cannot be made from carbon compounds. C) Polymers are only found in metals and are not related to carbon compounds. D) Polymers are exclusively synthetic materials with no natural occurrence. Show Answer Correct Answer: A) Polymers are large molecules made of repeating units (monomers) and are often carbon compounds. 57. What is vulcanization? A) A process whereby rubber is reacted with sulphur. B) A process whereby rubber is reacted with oxygen. C) A process whereby rubber is reacted with methanoic acid. D) A process whereby rubber is reacted with ammonia. Show Answer Correct Answer: A) A process whereby rubber is reacted with sulphur. 58. What is the main function of carbohydrates in living things. A) Protection. B) Energy. C) Digestion. D) Structure. Show Answer Correct Answer: B) Energy. 59. Many sugars bonded together in chains form polysaccharides. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 60. Carbon is able to bond with atoms of other elements in many different ways because it has A) Four electrons. B) Four valence electrons. C) Six valence electrons. D) Six protons. Show Answer Correct Answer: B) Four valence electrons. ← 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books