This quiz works best with JavaScript enabled. Home > Class 10 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In bright sunlight, chlorine can replace hydrogen in methane to make CH3Cl and HCl. What is this kind of reaction called? A) A substitution reaction. B) An evaporation reaction. C) A freezing reaction. D) A fermentation reaction. Show Answer Correct Answer: A) A substitution reaction. 2. What are two main examples of nucleic acids? A) DNA and RNA. B) Lipids and Carbohydrates. C) Proteins and Carbohydrates. D) Lipds and Proteins. Show Answer Correct Answer: A) DNA and RNA. 3. Marcy's car stopped at the middle of the road. She found out that her car has ran out of fuel. Which compound must she buy? A) Water. B) Kerosene. C) Lubricating oil. D) Gasoline. Show Answer Correct Answer: D) Gasoline. 4. Your team is planning a pasta dinner to prepare for the upcoming volleyball game. What are you eating for game-day energy? A) Polypeptides. B) Carbohydrates. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: B) Carbohydrates. 5. What is the main chemical property of alkanes mentioned in the text? A) Combustion. B) Substitution. C) Addition. D) Polymerization. Show Answer Correct Answer: A) Combustion. 6. How do structural isomers differ from geometric isomers? A) Structural isomers differ in spatial arrangement; geometric isomers differ in connectivity. B) Structural isomers have the same molecular formula; geometric isomers have different formulas. C) Structural isomers differ in connectivity; geometric isomers differ in spatial arrangement. D) Structural isomers are always cyclic; geometric isomers are always linear. Show Answer Correct Answer: C) Structural isomers differ in connectivity; geometric isomers differ in spatial arrangement. 7. What is the general formula for saturated hydrocarbons? A) C$_{n}$H$_{2n}$. B) C$_{n}$H$_{n+1}$. C) C$_{n}$H$_{2n+1}$. D) C$_{n}$H$_{2n+2}$. Show Answer Correct Answer: D) C$_{n}$H$_{2n+2}$. 8. Which type of macromolecule is the main source of energy for living things? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: A) Carbohydrates. 9. Name the physical change for palm oil where palm oil is broken down into small oil droplets by bile in our body. A) Emulsification. B) Oxidation. C) Hydrolysis. D) None of the above. Show Answer Correct Answer: A) Emulsification. 10. Macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus. A) Carbohydrate. B) Nucleic Acid. C) Protein. D) Amino Acid. Show Answer Correct Answer: B) Nucleic Acid. 11. Organic carbon compounds are carbon compounds which 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. 12. An organic compound 'A' is essential constituent for wine and beer. Oxidation of 'A' yields an organic acid 'B' which is present in vinegar. Name the compounds 'A' and 'B' and write their structural formula. A) A = CH$_{3}$CH$_{2}$OH. (Ethanol)B = HCOOH. (Methanoic acid). B) A = CH$_{2}$OH. (Methanol)B = CH$_{3}$COOH. (Ethanoic acid). C) A = CH$_{2}$OH. (Methanol)B = HCOOH. (Methanoic acid). D) A = CH$_{3}$CH$_{2}$OH. (Ethanol)B = CH$_{3}$COOH. (Ethanoic Acid). Show Answer Correct Answer: D) A = CH$_{3}$CH$_{2}$OH. (Ethanol)B = CH$_{3}$COOH. (Ethanoic Acid). 13. Regulate cell processes: A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 14. Unsaturated A) Describes a lipid whose fatty acid chain contains at least one carbon-carbon double or triple bond. B) A type of saturated fat with no double bonds. C) A lipid that is solid at room temperature. D) A carbohydrate that contains multiple sugar units. Show Answer Correct Answer: A) Describes a lipid whose fatty acid chain contains at least one carbon-carbon double or triple bond. 15. Fats and oils are mixtures of esters formed from ..... A) Fatty acids and glycerol. B) Carboxylic acids and alkanes. C) Alkenes and alcohols. D) Alkanes and alkenes. Show Answer Correct Answer: A) Fatty acids and glycerol. 16. What substance can be used to differentiate between alkane and alkene? A) Limewater. B) Bromine water. C) Sulphuric acid. D) Sodium hydroxie. Show Answer Correct Answer: B) Bromine water. 17. This organic compound is our main source of energy: A) Nucleic Acids. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: B) Carbohydrates. 18. What are the characteristics of thermoset plastics? I. Can be softened only once by heating II. Can be moulded repeatedly into the shapes required III. Hard and resistant to heat A) I and II. B) I and III. C) II and III. D) I, II and III. Show Answer Correct Answer: B) I and III. 19. Animal fats often have what kind of carbon chains? A) Saturated carbon chains. B) Unsaturated carbon chains. C) Very short carbon chains. D) Gaseous carbon chains. Show Answer Correct Answer: A) Saturated carbon chains. 20. Name the two main types of hydrocarbons. A) Organic and Inorganic. B) Linear and Branched. C) Saturated and Unsaturated. D) Aliphatic and Aromatic. Show Answer Correct Answer: D) Aliphatic and Aromatic. 21. What is isomerism in carbon compounds? A) Compounds with the same molecular formula but different physical properties. B) Compounds with different molecular and structural formulae. C) Two or more compounds with the same molecular formula but different structural formulae. D) Compounds with the same molecular and structural formulae. Show Answer Correct Answer: C) Two or more compounds with the same molecular formula but different structural formulae. 22. Ethyl ethanoate and fats are classified as esters. From this information, it can be deduced that they BOTH A) Are soluble in water. B) Burn with a blue flame. C) Contain the-COOR group. D) Have a pleasant odour. Show Answer Correct Answer: C) Contain the-COOR group. 23. A ..... contains 3 or more monosaccharides. A) Simple sugar. B) Polysaccharide. C) Disaccharide. D) Water molecule. Show Answer Correct Answer: B) Polysaccharide. 24. What is the difference between saturated and unsaturated hydrocarbons? A) Saturated hydrocarbons are liquid at room temperature; unsaturated hydrocarbons are solid. B) Saturated hydrocarbons contain only double bonds; unsaturated hydrocarbons contain single bonds. C) Saturated hydrocarbons have only single bonds; unsaturated hydrocarbons have double or triple bonds. D) Saturated hydrocarbons have more hydrogen atoms than unsaturated hydrocarbons. Show Answer Correct Answer: C) Saturated hydrocarbons have only single bonds; unsaturated hydrocarbons have double or triple bonds. 25. What type of reaction occurs when an alkene reacts with hydrogen? A) Oxidation. B) Hydrogenation. C) Hydrolysis. D) Dehydrogenation. Show Answer Correct Answer: B) Hydrogenation. ← PreviousNext →Related 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 8Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 9Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books