This quiz works best with JavaScript enabled. Home > Class 10 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the general formula of esters? A) C$_{n}$H$_{2n+1}$COOC$_{m}$H$_{2m+1}$, m=1, 2, 3 n=0, 1, 2 . B) C$_{n}$H$_{2n+1}$COOH, n=0, 1, 2, . C) C$_{n}$H$_{2n+1}$OH, n=1, 2, 3 . D) None of the above. Show Answer Correct Answer: A) C$_{n}$H$_{2n+1}$COOC$_{m}$H$_{2m+1}$, m=1, 2, 3 n=0, 1, 2 . 2. Long-term storage of energy A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 3. Which of these are responsible for making beta pleated sheets in lipids? A) Primary structure. B) Secondary structure. C) Tertiary structure. D) None of these. Show Answer Correct Answer: D) None of these. 4. This macromolecule provides structural support and act as enzymes to catalyze metabolic reactions A) Carbohydrate. B) Lipids. C) Protein. D) Nucleic acid. Show Answer Correct Answer: C) Protein. 5. What is the name of the process in which proteins are formed from amino acids? A) Addition. B) Isomerism. C) Esterification. D) Polymerization. Show Answer Correct Answer: D) Polymerization. 6. Ethyl butanoate is an ester that responsible for the ..... smell. A) Bananas. B) Pineapples. C) Oranges. D) Apples. Show Answer Correct Answer: B) Pineapples. 7. Which of the following is not a reaction undergoes by alkenes? A) Combustion. B) Substitution. C) Hydrogention. D) Oxidation. Show Answer Correct Answer: B) Substitution. 8. Monomers of proteins are ..... A) Amino acids. B) Fatty acids. C) Neucleotides. D) Simple sugars. Show Answer Correct Answer: A) Amino acids. 9. True or False:Polymerization is the process in which smaller building blocks (monomers) join to form larger more complex structures (polymers). A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Butane can be used as cooking gas. True or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Which of the following is an inorganic compound? A) Ethanol. B) Petroleum. C) Carbon dioxide. D) Fat. Show Answer Correct Answer: C) Carbon dioxide. 12. A carbon chain by itself is not able to dissolve in water. Which functional group can be added to make the carbon chain polar and hydrophilic? A) NH2. B) Phosphate. C) Carboxyl. D) Hydroxyl. Show Answer Correct Answer: D) Hydroxyl. 13. What can carbon chains do besides forming straight lines? A) Form squares. B) Form triangles. C) Wrap around and form a ring. D) Form cubes. Show Answer Correct Answer: C) Wrap around and form a ring. 14. Which of the following is correct about alkanes? A) The compound has hydroxyl group. B) The compound is a saturated hydrocarbon. C) The compound has general formula of C$_{n}$H$_{2n}$. D) The compound consists of double bond between carbon atoms. Show Answer Correct Answer: B) The compound is a saturated hydrocarbon. 15. The type of bond that holds amino acids together to form a protein is called A) A hydrogen bond. B) An ionic bond. C) A peptide bond. D) Van der waals forces. Show Answer Correct Answer: C) A peptide bond. 16. They are aliphatic hydrocarbons that contain double bonds. A) Alkanes. B) Alkenes. C) Alkynes. D) None of the above. Show Answer Correct Answer: B) Alkenes. 17. The molecular formula for Heptane is $_{}$ A) C$_{4}$H$_{10}$$_{}$$_{}$. B) C$_{8}$H$_{18}$. C) C$_{5}$H$_{12}$. D) C$_{7}$H$_{16}$. Show Answer Correct Answer: D) C$_{7}$H$_{16}$. 18. Define the term 'functional group' in organic chemistry. A) A functional group is a type of chemical bond between two atoms. B) A functional group is a category of organic compounds based on their molecular weight. C) A functional group is a molecule that has no effect on chemical reactions. D) A functional group is a specific group of atoms in a molecule that determines its chemical properties and reactions. Show Answer Correct Answer: D) A functional group is a specific group of atoms in a molecule that determines its chemical properties and reactions. 19. The diagram shows he condition of a blood vessel of someone who suffers from health problems. What can be taken to prevent this condition from worsening? A) Eat fresh meat everyday. B) Consume unsaturated fats. C) Take a diet pills. D) Consume more saturated fats in the diet. Show Answer Correct Answer: B) Consume unsaturated fats. 20. Nucleotides are monomers of A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 21. When but-2-ene is shaken with bromine water, the brown bromine water is decolourised. What is the product of this reaction? A) 1, 2-dibromobutene. B) 2, 3-dibromobutene. C) 1, 2-dibromobutane. D) 2, 3-dibromobutane. Show Answer Correct Answer: D) 2, 3-dibromobutane. 22. Which element is found in all organic compounds (but not in water)? A) Carbon. B) Hydrogen. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: A) Carbon. 23. Which is a semiconductor? A) Graphite. B) Diamond. C) Fullerene. D) None of these. Show Answer Correct Answer: C) Fullerene. 24. The reagent used in oxidation reaction of Carbon compounds as Diluted alkaline KMnO4 solution is- A) Reducing agent. B) Oxidising agent. C) Bleaching agent. D) Catalyst. Show Answer Correct Answer: B) Oxidising agent. 25. What is the approximate percentage of carbon in the Earth's crust? A) 0.02%. B) 0.5%. C) 0.02%. D) 0.03%. Show Answer Correct Answer: A) 0.02%. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books