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 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the process of converting sunlight energy into chemical energy that is then sorted as food within plants? A) Cell division. B) Cellular respiration. C) Chemosynthesis. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 2. How many electrons are shared in a triple bond? A) 2. B) 1. C) 6. D) 4. Show Answer Correct Answer: C) 6. 3. Which bio molecule has Carbon, Hydrogen, Oxygen, Nitrogen, Phosphurus? A) Proteins. B) Lipids. C) Carbs. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 4. If the name of a compound ends in "ane" then it belongs to ..... A) Carboxylic acids. B) Alkanes. C) Alcohols. D) Alkenes. Show Answer Correct Answer: B) Alkanes. 5. Which of the following statements about graphite and diamond is true? A) They have the same degree of hardness. B) They have the same electrical conductivity. C) They can undergo the same chemical reactions. D) They have the same crystal structure. Show Answer Correct Answer: C) They can undergo the same chemical reactions. 6. What is the difference between inorganic and organic carbon compounds? A) Natural vs synthetic origin. B) Color of the compounds. C) Amount of carbon present. D) Presence of carbon-hydrogen bonds. Show Answer Correct Answer: D) Presence of carbon-hydrogen bonds. 7. One of the characteristics of life is that organisms must have genetic material. This genetic material is a ..... A) Nucleic acid. B) Protein. C) Lipid. D) Carbohydrate. Show Answer Correct Answer: A) Nucleic acid. 8. Calcium carbide, CaC$_{2 }$is a A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic compound. 9. Which of the following is the functional group for alcohol? A) C=C. B) -COO-. C) -COOH. D) -OH. Show Answer Correct Answer: D) -OH. 10. Which properties of propane and propene are the same? A) Soluble in water. B) Decolourise brown colour of bromine water. C) Burn completely in air to produce carbon dioxide and water. D) Decolourise purple colour of acidified potassium manganate (VII) solution. Show Answer Correct Answer: C) Burn completely in air to produce carbon dioxide and water. 11. Hydrocarbons are compounds that contain A) Carbon and Nitrogen atoms only. B) Carbon and Hydrogen atoms only. C) Carbon and Oxygen atoms only. D) Carbon, Oxygen and Hydrogen atoms. Show Answer Correct Answer: B) Carbon and Hydrogen atoms only. 12. What process occurs when coal (fossil fuel) is used for energy? A) Decomposition. B) Respiration. C) Pressurization. D) Combustion. Show Answer Correct Answer: D) Combustion. 13. Which of the following are almost always hydrophobic? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 14. Which one of these does not add CO2 to the atmosphere? A) Burning wood. B) Planting trees. C) Cooking with gas. D) Riding in a bus. Show Answer Correct Answer: B) Planting trees. 15. Methyl group has the molecular formula A) CH$_{3}$. B) CH$_{2}$. C) CH. D) CH$_{4}$. Show Answer Correct Answer: A) CH$_{3}$. 16. Why do we eat carbohydrates? A) Build Our Cell Membranes. B) Insulation. C) Genetic Information. D) Energy. Show Answer Correct Answer: D) Energy. 17. Formula for Benzene molecule is A) C$_{6}$H$_{6}$. B) C$_{6}$H$_{8}$. C) C$_{6}$H$_{12}$. D) C$_{8}$H$_{6}$. Show Answer Correct Answer: A) C$_{6}$H$_{6}$. 18. Catalysts lower the ..... of a chemical reaction. A) Activation eenrgy. B) Exergonic energy. C) Endergonic. D) Enzyme use. Show Answer Correct Answer: A) Activation eenrgy. 19. What is the chemical formula for methane? A) CO2. B) CH3OH. C) CH4. D) C2H6. Show Answer Correct Answer: C) CH4. 20. Make up waxy coverings: A) Lipids. B) Proteins. C) Nucleic acids. D) Carbohydrates. Show Answer Correct Answer: A) Lipids. 21. Which of the following properties makes ester suitable for making perfumes? A) High boiling point. B) Dissolve in water. C) Can conduct electricty. D) Sweet smell. Show Answer Correct Answer: D) Sweet smell. 22. Large molecules in living cells are known as ..... A) Macromolecules. B) Atoms. C) Elements. D) Monomers. Show Answer Correct Answer: A) Macromolecules. 23. What is one of the functions of proteins? A) Speeding Up Reactions in Cells. B) Short Term Energy. C) Long Term Energy. D) Storing Genetic Information. Show Answer Correct Answer: A) Speeding Up Reactions in Cells. 24. Example of unsaturated hydrocarbons is A) C-O. B) C-H. C) C=C. D) C-C. Show Answer Correct Answer: C) C=C. 25. How many isomers does Butanol have? A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: A) 4. 26. What is a monomer? A) A large molecule. B) A small chemical unit that makes up a polymer. C) A type of carbohydrate. D) A type of protein. Show Answer Correct Answer: B) A small chemical unit that makes up a polymer. 27. Which of the following is true about unsaturated fat? A) Molecule has maximum number of hydrogen atoms. B) Elements are hydrogen and oxygen only. C) Low melting point. D) Soluble in water. Show Answer Correct Answer: C) Low melting point. 28. The process of digesting a polysaccharide into individual monosaccharides is called ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrolysis. 29. Which method is used to obtain petrol from petroleum? A) Diffusion. B) Fractional distillation. C) Distillation. D) Filtration. Show Answer Correct Answer: B) Fractional distillation. 30. The instrument that measures electric current is called ..... A) An electrometer. B) A resistor. C) A voltmeter. D) An ammeter. Show Answer Correct Answer: D) An ammeter. 31. What is the name of the process for the reaction between a carboxylic acid and an alcohol? A) Oxidation. B) Esterification. C) Hydration. D) Dehydration. Show Answer Correct Answer: B) Esterification. 32. What is the functional group present in amines? A) CH3. B) COOH. C) NH2. D) OH. Show Answer Correct Answer: C) NH2. 33. Both ethane and ethene A) Have the same general formula. B) Have similar physical properties. C) Can decolourise brown bromine water. D) Burn completely in air producing carbon dioxide and water. Show Answer Correct Answer: D) Burn completely in air producing carbon dioxide and water. 34. Which process best describes the assembly of proteins from amino acids? A) Monomers are linked to form a polymer. B) Molecules are added to a compound until it becomes a monomer. C) Atoms are linked to form a compound. D) Atoms are added to a monomer until it becomes a polymer. Show Answer Correct Answer: A) Monomers are linked to form a polymer. 35. Macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes. A) Carbohydrate. B) Polymer. C) Lipid. D) Protein. Show Answer Correct Answer: C) Lipid. 36. Which group of organic compounds contains fatty acids? A) Nucleic acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: C) Lipids. 37. Which property of carbon is important in the forming of many types of organic compounds A) Carbon has 6 electrons. B) Carbon can only bond with hydrogen. C) Carbon has 6 protons. D) Carbon has 4 valence electrons. Show Answer Correct Answer: D) Carbon has 4 valence electrons. 38. What group of compounds that are primarily composed of carbonatoms, which are chemically bonded with hydrogen and other elements such asoxygen, sulfur, and nitrogen? A) Inorganic Compounds. B) Organic Compounds. C) Both A and B. D) None of the choices. Show Answer Correct Answer: B) Organic Compounds. 39. What is an application of alkenes in the production of plastics? A) Alkenes are primarily used in the production of rubber. B) Alkenes are used as monomers in the production of polyethylene. C) Alkenes are used to enhance the flavor of plastics. D) Alkenes are used as catalysts in plastic production. Show Answer Correct Answer: B) Alkenes are used as monomers in the production of polyethylene. 40. Alkenes react with excess oxygen to form A) Carbon dioxide and water. B) Salt and water. C) Carbon monoxide and soot. D) Metal hydroxide and hydrogen HIDE ANSWER. Show Answer Correct Answer: A) Carbon dioxide and water. 41. Hydrogenation of vegetable oils uses a metal to help the reaction go faster. What is this helper called? A) A sweetener. B) A pigment. C) A catalyst. D) A vitamin. Show Answer Correct Answer: C) A catalyst. 42. One function of the lipids in your body is A) Provide energy. B) Maintain homeostasis. C) To provide protection for your organs. D) Keep you hydrated. Show Answer Correct Answer: C) To provide protection for your organs. 43. Which of the following are the main compositions of organic compound? A) Carbon and hydrogen. B) Oxygen and hydrogen. C) Carbon and oxygen. D) Carbon, hydrogen and oxygen. Show Answer Correct Answer: A) Carbon and hydrogen. 44. What group of carbon compounds stores and transmits genetic information A) Nucleic acids. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: A) Nucleic acids. 45. The process of bonding together nucleotides into a long chain is called ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dehydration Synthesis. 46. The four organic compounds found in living things are? A) Carbohydrates, Lipids, Nucleic Acids, and Oxygen. B) Carbohydrates, Lipids, Proteins, and Carbon. C) Carbohydrates, Lipids, Proteins, Nucleic Acids. D) Carbon, Lipids, Proteins, Nucleic Acids. Show Answer Correct Answer: C) Carbohydrates, Lipids, Proteins, Nucleic Acids. 47. What is the role of a catalyst in the cracking process? A) To decrease the pressure. B) To separate the products. C) To increase the rate of reaction. D) To cool down the reaction. Show Answer Correct Answer: C) To increase the rate of reaction. 48. Is the following chemical reaction illustrating dehydration synthesis or hydrolysis?Starch + Water $\rightarrow$ Glucose A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrolysis. 49. What happens to lower boiling point fractions during fractional distillation? A) They are not separated. B) They condense at the bottom. C) They vaporize first and rise to the top. D) They remain liquid throughout. Show Answer Correct Answer: C) They vaporize first and rise to the top. 50. What is the reactant in the oxidation of palm oil? A) Water. B) Alcohol. C) Oxygen. D) Sodium chloride. Show Answer Correct Answer: C) Oxygen. 51. This causes on end of the molecule to be negative, while the other is positive. A) Polarity. B) Moleculer bond. C) Negative. D) Hydrogen bond. Show Answer Correct Answer: A) Polarity. 52. Which of the following elements must be present in any organic compound? A) Oxygen. B) Potassium. C) Carbon. D) Hydrogen. Show Answer Correct Answer: C) Carbon. 53. Alkanes molecules are held together by A) Weak Van der Walls forces of attraction. B) Weak Van der Waals forces of attraction. C) Strong covalent bonds. D) Strong intermolecualr forces. Show Answer Correct Answer: B) Weak Van der Waals forces of attraction. 54. Proteins that speed up the rate of chemical reactions in the cell without requiring high temperatures are ..... A) Exergonic proteins. B) Endergonic proteins. C) Combustible proteins. D) Enzymes. Show Answer Correct Answer: D) Enzymes. 55. How can pollution from used plastic wrappers be prevented? I. By compressing and burying the plastic wrappers underground II. By burning the plastic wrappers in an incinerator III. By recycling and using biodegradable plastic A) I and II. B) I and III. C) II and III. D) I, II and III. Show Answer Correct Answer: C) II and III. 56. What is a hydrocarbon? A) A compound containing carbon and nitrogen. B) A compound containing only carbon and oxygen. C) A compound containing carbon and sulfur. D) A compound containing only hydrogen and carbon. Show Answer Correct Answer: D) A compound containing only hydrogen and carbon. 57. Which is NOT typically a property of organic compounds? A) Insoluble in water. B) Low melting points. C) Ability to conduct electricity. D) Low boiling points. Show Answer Correct Answer: C) Ability to conduct electricity. 58. Esters are inorganic compound. A) True. B) False. C) Both A and B. D) Neither. Show Answer Correct Answer: B) False. 59. Crude oil is made up of: A) Extremely large hydrocarbons which are broken up once extracted. B) A mixture of different hydrocarbons. C) Ethane. D) Butane. Show Answer Correct Answer: B) A mixture of different hydrocarbons. 60. What are the types of Hydrocarbons A) Saturated and Unsaturated. B) Natural and unnatural. C) Long chains and small chains. D) None of the above. Show Answer Correct Answer: A) Saturated and Unsaturated. ← 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