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 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which element is found in all organic compounds (but not in water)? A) Carbon. B) Hydrogen. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: A) Carbon. 2. Which is a semiconductor? A) Graphite. B) Diamond. C) Fullerene. D) None of these. Show Answer Correct Answer: C) Fullerene. 3. The reagent used in oxidation reaction of Carbon compounds as Diluted alkaline KMnO4 solution is- A) Oxidising agent. B) Reducing agent. C) Bleaching agent. D) Catalyst. Show Answer Correct Answer: A) Oxidising agent. 4. What is the approximate percentage of carbon in the Earth's crust? A) 0.03%. B) 0.02%. C) 0.02%. D) 0.5%. Show Answer Correct Answer: B) 0.02%. 5. What is the molecular formula of the alcohol which can be derived from propane A) C3H7O. B) C3H5O. C) C3H60. D) C3H8O. Show Answer Correct Answer: D) C3H8O. 6. ..... is the only non-metal to conduct electricity A) Diamond. B) Silicon. C) Germanium. D) Graphite. Show Answer Correct Answer: D) Graphite. 7. The number of isomers of pentane is A) 5. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 8. Which of these is not a biological molecule? A) Lipids. B) Carbon dioxide. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: B) Carbon dioxide. 9. Potassium cyanide A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic compound. 10. The process of breaking the bonds within a starch molecule in order to release glucose molecules is called ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrolysis. 11. In carbon cycle, the following process will increases the carbon content in the atmosphere, except ..... A) Respiration. B) Decomposition. C) Photosynthesis. D) Combustion. Show Answer Correct Answer: C) Photosynthesis. 12. Gasoline is what group of compound? A) Inorganic compounds. B) Organic Compounds. C) Both A and B. D) None of the choiced. Show Answer Correct Answer: B) Organic Compounds. 13. An example of a nucleic acid is A) Muscle cells. B) Protein. C) Cell membranes. D) RNA. Show Answer Correct Answer: D) RNA. 14. Which carboxylic acid is found in vinegar? A) Formic acid. B) Acetic acid. C) Citric acid. D) Lactic acid. Show Answer Correct Answer: B) Acetic acid. 15. Which of the following are the products when ethanol burns in air? A) Carbon. B) Carbon dioxide and water. C) Carbon and water. D) Carbon monoxide and water. Show Answer Correct Answer: B) Carbon dioxide and water. 16. Which has a 2D hexagonal layered structure? A) Graphite. B) Diamond. C) Fullerene. D) All of these. Show Answer Correct Answer: A) Graphite. 17. The general formula for alkenes is ..... A) C$_{n}$H$_{2n}$, n = 1, 2, 3, 4, 5 . B) C$_{n}$H$_{2n+1}$, n = 2, 3, 4, 5 . C) C$_{n}$H$_{2n+1}$, n = 1, 2, 3, 4, 5 . D) C$_{n}$H$_{2n}$, n = 2, 3, 4, 5 . Show Answer Correct Answer: D) C$_{n}$H$_{2n}$, n = 2, 3, 4, 5 . 18. Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair: A) Carbohydrate. B) Protein. C) Lipid. D) Monosaccharide. Show Answer Correct Answer: B) Protein. 19. What is a hydrocarbon that contains only single bonds called? A) Saturated. B) Fully bonded. C) Organic. D) Unsaturated. Show Answer Correct Answer: A) Saturated. 20. Which components makes the carbon atom a unique one?A A) Valence electron. B) Strength. C) Bond. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Gasohol is a mixture of A) Petrol only. B) Ethanol only. C) Methanol and ethanol. D) Ethanol and petrol. Show Answer Correct Answer: D) Ethanol and petrol. 22. Which of the following is an unsaturated fatty acid? A) Stearic acid. B) Oleic acid. C) Palmitic acid. D) Lauric acid. Show Answer Correct Answer: B) Oleic acid. 23. What is the periodic symbol for carbon? A) Ca. B) C. C) Cn. D) Cb. Show Answer Correct Answer: B) C. 24. What does not produce carbon dioxide? A) Burning Fossil Fuels. B) Plants decaying. C) Animal respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 25. 1 cm$^{3}$ of bromine water is added to pent-2-ene. When the mixture is shaken, the brown bromine water is decolourised. What is the product of this reaction? A) 2, 3-dibromopentene. B) 1, 2-dibromopentene. C) 1, 2-dibromopentane. D) 2, 3-dibromopentane. Show Answer Correct Answer: D) 2, 3-dibromopentane. 26. Which of the following is NOT the compound of making soap? A) Sodium hydroxide. B) Glycerol. C) Sodium chloride. D) Palm oil. Show Answer Correct Answer: B) Glycerol. 27. Organisms that do not decompose can be buried and become what? A) Fossil fuels. B) Air. C) Nutrients. D) Water. Show Answer Correct Answer: A) Fossil fuels. 28. Which of the following groups CANNOT be classified as organic compounds? A) Hydrogen carbonate. B) Carboxylic acids. C) Hydrocarbon. D) Alcohols. Show Answer Correct Answer: A) Hydrogen carbonate. 29. What type of bond involves 4 shared electrons between carbon atoms? A) Double bond. B) Single bond. C) Quadruple bond. D) Triple bond. Show Answer Correct Answer: A) Double bond. 30. A particle that moves around the nucleus is a(n) ..... A) Neutron. B) Electron. C) Quark. D) Proton. Show Answer Correct Answer: B) Electron. 31. What is the power of a 3V light bulb with 20 A running through it? A) 6.67W. B) 6W. C) 0.15W. D) 60W. Show Answer Correct Answer: D) 60W. 32. Which of the following is not one of the four major classes of macromolecules? A) Carbohydrates. B) Nucleic Acid. C) Lipids. D) Carbon. E) Protein. Show Answer Correct Answer: D) Carbon. 33. ..... molecules are the monomers that compose carbohydrates. A) Glucose. B) Adipose. C) Water. D) Sucrose. Show Answer Correct Answer: A) Glucose. 34. Give the IUPAC name of CH3COOC2H5. A) Ethyl ethanoate. B) Ethyl ethanoic acid. C) Etyl methyl carboxylic acid. D) Butanoate. Show Answer Correct Answer: A) Ethyl ethanoate. 35. Which of the following types of binding forces is present in the structure of diamond? A) Ionic. B) Van der Waals'. C) Covalent. D) None of these. Show Answer Correct Answer: C) Covalent. 36. Which process carried out by both plants and animals increase the atmospheric carbon dioxide? A) Respiration. B) Transpiration. C) Photosynthesis. D) Decomposition. Show Answer Correct Answer: A) Respiration. 37. The functional group present in an alcohol molecule is: A) Hydroxyl. B) Alkyl. C) Carbonyl. D) Carboxylic. Show Answer Correct Answer: A) Hydroxyl. 38. Name the simplest alkene and its molecular formula. A) Ethene (C2H4). B) Propene (C3H6). C) Cyclohexene (C6H10). D) Butene (C4H8). Show Answer Correct Answer: A) Ethene (C2H4). 39. Natural rubber is a A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: A) Organic compound. 40. True or False:An isotope is when the protons and neutrons are the same, but the electrons are different. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 41. Which polymer group is used as STORED energy? A) Lipid. B) Carbohydrate. C) Protein. D) Amino acid. Show Answer Correct Answer: A) Lipid. 42. Which of the given compound is NOT an organic compound? A) CaO. B) CH3OH. C) C18H36O2. D) C8H18. Show Answer Correct Answer: A) CaO. 43. Which of the following substances can be used to distinguish between ethanol and ethene? A) Sulphuric acid. B) Acidified potassium manganate (VII). C) Potassium hydroxide. D) Bromine water. Show Answer Correct Answer: D) Bromine water. 44. What is Adenosine triphosphate (ATP)? A) A type of protein that helps in muscle contraction. B) A nucleotide compound that provides energy to drive many processes in living cells, such as muscle contraction. C) A lipid that forms the cell membrane. D) A carbohydrate that stores energy in plants. Show Answer Correct Answer: B) A nucleotide compound that provides energy to drive many processes in living cells, such as muscle contraction. 45. "The higher the boiling point, the ..... "Which of the following is correct to be filled in the blank above? A) Less viscous the fraction. B) Less soot the flame will be produced. C) Darker the colour. D) Easier it is for the fraction to burn. Show Answer Correct Answer: C) Darker the colour. 46. Name the simplest alkane. A) Methane. B) Ethanol. C) Butane. D) Propane. Show Answer Correct Answer: A) Methane. 47. Pentene can be transformed to pentane by A) Hydrogenation. B) Hydration. C) Substitution. D) Oxidation. Show Answer Correct Answer: A) Hydrogenation. 48. In pharmaceutical industry, alcohol is frequently used as? A) Painting. B) Printing ink. C) Production of vinegar. D) Antiseptic. Show Answer Correct Answer: D) Antiseptic. 49. Which group of macromolecules is primarily involved in building and repairing tissues? A) Nucleic acids. B) Proteins. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: B) Proteins. 50. Which of the following is NOT organic compound? A) CH$_{4}$. B) NaCl. C) C$_{3}$H$_{8}$O. D) C$_{6}$H$_{12}$O$_{6}$. Show Answer Correct Answer: B) NaCl. 51. What is a double bond? A) One pair of electrons shared between two atoms. B) A bond between two atoms. C) James Bond's brother. D) Two pairs of electrons shared between two atoms. Show Answer Correct Answer: D) Two pairs of electrons shared between two atoms. 52. The general formula of alkynes is ..... A) CnH2n-2. B) CnH2n. C) CnH2n+2. D) None of the above. Show Answer Correct Answer: A) CnH2n-2. 53. Give the name of this compound ..... C$_{3}$H$_{8}$ A) Propene. B) Butene. C) Butane. D) Propane. Show Answer Correct Answer: D) Propane. 54. What is an example of an inorganic carbon compound found or produced in the human body? A) Oxygen (O$_{2}$). B) Carbon dioxide (CO$_{2}$). C) Methane (CH$_{4}$). D) Water (H$_{2}$O). Show Answer Correct Answer: B) Carbon dioxide (CO$_{2}$). 55. Which of the following materials is used in a light bulb to produce heat and light? A) Copper. B) Nichrome. C) Tungsten. D) Steel. Show Answer Correct Answer: C) Tungsten. 56. All alkenes have ..... bond A) Double. B) Triple. C) Ionic. D) Metallic. Show Answer Correct Answer: A) Double. 57. Which macromolecule features oils, fats and waxes? A) Carbohydrates. B) Lipids. C) Proteins. D) None of the above. Show Answer Correct Answer: B) Lipids. 58. Proteins are linked by A) Ester bonds. B) Glycosidic linkages. C) Amino acids. D) Peptide bonds. Show Answer Correct Answer: D) Peptide bonds. 59. Which one is NOT a property of ethanoic acid? A) Insoluble in water. B) Has vinegar smell. C) Reacts with a reactive metal. D) Soluble in organic solvent. Show Answer Correct Answer: A) Insoluble in water. 60. Which statement correctly describes how a protein is formed? A) A monosaccharide bonded to a side chain is broken apart. B) Amino acids are bonded together in a long chain to form a new molecule. C) A molecule containing glycerol bonded to three fatty acids is broken apart. D) A nitrogenous base, a sugar, and a phosphate group combine to form a new molecule. Show Answer Correct Answer: B) Amino acids are bonded together in a long chain to form a new molecule. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books