This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the chemical symbol of carbon? A) Ca. B) C. C) Cr. D) Cu. E) Cf. Show Answer Correct Answer: B) C. 2. ..... are many monomers bonded together that form a larger molecule. A) Polymers. B) Monomers. C) Trinominers. D) DNA. Show Answer Correct Answer: A) Polymers. 3. Which of the following elements make up nucleic acids? A) C, H, O. B) C, H, O, N. C) C, H, O, N, P. D) C, H, O, Ca, S. Show Answer Correct Answer: C) C, H, O, N, P. 4. Carbohydrate monomer: A) Monosaccharides. B) Amino acids. C) Nucleotides. D) Fatty acids. Show Answer Correct Answer: A) Monosaccharides. 5. What is the main source of hydrocarbons? A) Biomass. B) Natural gas. C) Coal. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 6. Which of the following could contain a triple bond? A) C$_{4}$H$_{10}$. B) C$_{4}$H$_{8}$. C) C$_{4}$H$_{6}$. D) C$_{4}$H$_{12}$. Show Answer Correct Answer: C) C$_{4}$H$_{6}$. 7. Waxes, oils and fats are examples of A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 8. What is the role of nucleic acids? A) To store and transmit genetic information. B) To provide energy for cellular processes. C) To act as enzymes in biochemical reactions. D) To form the structural components of cell membranes. Show Answer Correct Answer: A) To store and transmit genetic information. 9. DNA is A) Deoxytoxic acid. B) Deoxyribonucleic acid. C) Dionyiassoc apple. D) None of the above. Show Answer Correct Answer: B) Deoxyribonucleic acid. 10. What is the atomic number of hydrogen? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 11. List two examples of carbon compounds that are used as fuels. A) Ethanol. B) Methane, Gasoline. C) Butane. D) Propane. Show Answer Correct Answer: B) Methane, Gasoline. 12. Which of the following is a result of excess intake of alcohol? A) Anaemia. B) Diabetic. C) Obesity. D) Stomach ulcer. Show Answer Correct Answer: D) Stomach ulcer. 13. What is the general formula for alkynes? A) CnH2n+2. B) CnH2n-2. C) CnH2n. D) CnH2n-4. Show Answer Correct Answer: B) CnH2n-2. 14. The flow/movement of electric charges A) Voltage. B) Resistance. C) Current. D) Circuit. Show Answer Correct Answer: C) Current. 15. Which IS a function for Nucleic Acids? A) Code your genes. B) To create a nucleus. C) To balance out your bases. D) To create energy. Show Answer Correct Answer: A) Code your genes. 16. Which of the following is a characteristic of unsaturated hydrocarbons? A) They contain only single bonds. B) They contain at least one double or triple bond. C) They are always gases at room temperature. D) They are derived only from plants. Show Answer Correct Answer: B) They contain at least one double or triple bond. 17. Potassium cyanide, KCN is a A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic compound. 18. One of carbons most important chemical features is that it makes ..... bonds. A) Covalent. B) Hydrogen. C) Metallic. D) Ionic. Show Answer Correct Answer: A) Covalent. 19. Which one is NOT a function for Carbohydrates? A) Short Term Energy. B) Cell walls. C) Digestion. D) Plant Structure. Show Answer Correct Answer: C) Digestion. 20. Aromatic compounds usually undergo which type of reaction A) Electrophilic substitution reaction. B) Electrophilic addition reaction. C) Nucleophilic substitution reaction. D) Nucleophilic addition reaction. Show Answer Correct Answer: A) Electrophilic substitution reaction. 21. Explain how combustion of hydrocarbons affects air quality. A) Combustion of hydrocarbons only releases water vapor into the atmosphere. B) Combustion of hydrocarbons has no effect on air quality. C) Combustion of hydrocarbons degrades air quality by releasing harmful pollutants and greenhouse gases. D) Combustion of hydrocarbons improves air quality by reducing pollutants. Show Answer Correct Answer: C) Combustion of hydrocarbons degrades air quality by releasing harmful pollutants and greenhouse gases. 22. Nylon is a macromolecule which is held together by the same linkage as a protein molecule. What is the name given to this type of linkage? A) Amide bond. B) Double bond. C) Ester linkage. D) Ether linkage. Show Answer Correct Answer: A) Amide bond. 23. Organic chemistry is the chemistry of ..... A) Oxygen. B) Carbon. C) Sodium. D) Hydrogen. Show Answer Correct Answer: B) Carbon. 24. Which among the following is not a component of nucleic acids? A) A nitrogenous base. B) A five-carbon sugar. C) Phosphate group. D) Carboxylic acid. Show Answer Correct Answer: D) Carboxylic acid. 25. Proteins and carbohydrates are similar in that both: A) Are polymers containing carbon, hydrogen, and oxygen. B) Are monomers containing carbon, hydrogen, and oxygen. C) Are polymers containing carbon, hydrogen, and nitrogen. D) Are monomers containing carbon, hydrogen, carbon, and nitrogen. Show Answer Correct Answer: A) Are polymers containing carbon, hydrogen, and oxygen. ← 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