This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What carbon compounds are used to form bone and muscle? A) Carbohydrates. B) Protein. C) Nucleic acids. D) Lipids. Show Answer Correct Answer: B) Protein. 2. If H2 is added to C$_{4}$H$_{8}$, the product will be C$_{4}$H$_{12}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. A long chain of monomers covalently bonded together is a A) Salt molecule. B) Inorganic compound. C) Ionic compound. D) Polymer. Show Answer Correct Answer: D) Polymer. 4. The general formula for alkanes is A) C$_{n}$H$_{2n+2}$. B) C$_{n}$H$_{2n}$. C) C$_{n}$H$_{2n+1}$. D) None of the above. Show Answer Correct Answer: A) C$_{n}$H$_{2n+2}$. 5. Which process is used to convert vegetable oil to margarine? A) Oxidation. B) Esterification. C) Hydrogenation. D) Hydration. Show Answer Correct Answer: C) Hydrogenation. 6. Organic chemistry; the elements of life: A) C, H, O, P, S, N. B) C, H, F, Li, K, S. C) C, V, Na, N, S, P. D) C, O, F, He, S, K. Show Answer Correct Answer: A) C, H, O, P, S, N. 7. 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. 8. 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. 9. Carbon has ..... valence electrons and can bond with 4 other atoms. A) 6. B) 4. C) 2. D) 8. Show Answer Correct Answer: B) 4. 10. C$_{3}$H$_{6}$ A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: B) Alkene. 11. Atomic No. of Carbon, No. of Electron, No. of Proton, No of electron is A) 12. B) 7. C) 6. D) 4. Show Answer Correct Answer: C) 6. 12. How many electrons are shared in a single bond? A) 1. B) 2. C) 4. D) 6. Show Answer Correct Answer: B) 2. 13. What is an example of an organic carbon compound? A) Water (H$_{2}$O). B) Ethanol (C$_{2}$H$_{5}$OH). C) Carbon dioxide (CO$_{2}$). D) Sodium chloride (NaCl). Show Answer Correct Answer: B) Ethanol (C$_{2}$H$_{5}$OH). 14. 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. 15. 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. 16. Which type of compounds contain only carbon and hydrogen? A) Carboxylic acids. B) Alcohols. C) Alkanes. D) Esters. Show Answer Correct Answer: C) Alkanes. 17. Name the alcohol formed by the fermentation of sugars. A) Propanol. B) Butanol. C) Ethanol. D) Methanol. Show Answer Correct Answer: C) Ethanol. 18. This macromolecule make up cell membranes, store energy, and provide insulation A) Carbohydrate. B) Lipids. C) Protein. D) Nucleic acid. Show Answer Correct Answer: B) Lipids. 19. A ..... contains one molecule of sugar. A) Disaccharide. B) Polysaccharide. C) Lipid. D) Monosaccharide. Show Answer Correct Answer: D) Monosaccharide. 20. ..... role in the body are chemical messengers, store and provide energy, maintain temperature. A) Hydrogen. B) Glucose. C) Proteins. D) Lipids. Show Answer Correct Answer: D) Lipids. 21. What is the general formula for hydrocarbons? A) CnH2n+2. B) CnHn+2. C) CnH2n. D) CnH2n-2. Show Answer Correct Answer: A) CnH2n+2. 22. Which has a 3D hexagonal structure? A) Graphite. B) Diamond. C) Fullerene. D) None of these. Show Answer Correct Answer: B) Diamond. 23. 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. 24. 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. 25. 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. ← 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