This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is a natural polymer? A) Perspex. B) Protein. C) PVC. D) Neoprene. Show Answer Correct Answer: B) Protein. 2. How many carbon atoms are present in 'butane'? A) 3. B) 2. C) 5. D) 4. Show Answer Correct Answer: D) 4. 3. Carbon is found ..... A) Everywhere. B) Only in living things. C) In humans. D) None of the above. Show Answer Correct Answer: A) Everywhere. 4. Which elements make up about 96% of all living things? A) Carbon, Hydrogen, Oxygen, Nitrogen. B) Calcium, Phosphorus, Potassium, Sulfur. C) Iron, Zinc, Copper, Manganese. D) Sodium, Chlorine, Magnesium, Iodine. Show Answer Correct Answer: A) Carbon, Hydrogen, Oxygen, Nitrogen. 5. Energy source for all living things A) Photosynthesis. B) Glucose. C) Carbon. D) Water. Show Answer Correct Answer: B) Glucose. 6. The small units that make up many macromolecules: A) Polymer. B) Monomer. C) Starch. D) Peptide. Show Answer Correct Answer: B) Monomer. 7. The general formula of an alkane is: A) C$_{n}$H$_{2n}$. B) C$_{n}$H$_{2n+2}$. C) C$_{n}$H$_{n+2}$. D) C$_{n}$H$_{2n-2}$. Show Answer Correct Answer: B) C$_{n}$H$_{2n+2}$. 8. The process of removing water in order to form a bond between monomers is called ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dehydration Synthesis. 9. Name the ester produced from methanol and hexanoic acid A) Methylhexanoic. B) Hexylmethanoate. C) Methylhexanoate. D) Hexanoatemethyl. Show Answer Correct Answer: C) Methylhexanoate. 10. Covalent compounds A) Have high melting and boiling point. B) Are mostly soluble in water. C) Are formed between atoms of metals and non-metals. D) Are formed by the sharing of electrons in the bonding atoms. Show Answer Correct Answer: D) Are formed by the sharing of electrons in the bonding atoms. 11. Carbon exists in the atmosphere in the form of A) Carbon monoxide only. B) Carbon monoxide in traces and carbon dioxide. C) Carbon dioxide only. D) Coal. Show Answer Correct Answer: B) Carbon monoxide in traces and carbon dioxide. 12. What is the general formula of the alkynes? A) C$_{n}$H$_{2n+1}$. B) C$_{n}$H$_{2n+2}$. C) C$_{n}$H$_{2n-1}$. D) C$_{n}$H$_{2n-2}$. Show Answer Correct Answer: D) C$_{n}$H$_{2n-2}$. 13. What is the general formula for alkanes? A) CnH2n+2. B) CnH2n. C) CnHn-2. D) CnHn. Show Answer Correct Answer: A) CnH2n+2. 14. What is the function of nucleic acids? A) Store and transmit hereditary, or genetic, information. B) Main source of energy for a living thing. C) Build bones and muscle. D) Store energy long term. Show Answer Correct Answer: A) Store and transmit hereditary, or genetic, information. 15. Which one of these does not add carbon dioxide to the atmosphere? A) Cooking with gas. B) Planting trees. C) Burning wood. D) Riding in a bus. Show Answer Correct Answer: B) Planting trees. 16. Amino acid A) The building blocks of nucleic acids. B) The monomer of proteins, a compound containing both a carboxyl group and an amino group on opposite ends. C) A type of carbohydrate that provides energy. D) A lipid that is used for long-term energy storage. Show Answer Correct Answer: B) The monomer of proteins, a compound containing both a carboxyl group and an amino group on opposite ends. 17. What is organic chemistry? A) The study of inorganic compounds. B) The branch of chemistry that deals with the study of carbon compounds. C) The study of physical properties of matter. D) The branch of chemistry that deals with the study of metals. Show Answer Correct Answer: B) The branch of chemistry that deals with the study of carbon compounds. 18. Alkanes are saturated hydrocarbons. What does this mean? A) There are some C=C double bonds present in the molecule. B) All C atoms are bonded by single covalent bonds. C) They are very reactive. D) None of the above. Show Answer Correct Answer: B) All C atoms are bonded by single covalent bonds. 19. If you know the equation for Photosynthesis, do you know the equation for Cellular respiration? A) Yes-it is identical. B) Yes-just flip it. C) No-they are totally different. D) No-they are not related. Show Answer Correct Answer: B) Yes-just flip it. 20. What make up a polymer? A) Miopolymer. B) Monomers. C) Biopolymer. D) Triomer. Show Answer Correct Answer: B) Monomers. 21. What is the general formula of an unsaturated hydrocarbon? A) C$_{n}$H$_{2n}$. B) C$_{n}$H$_{2n+2}$. C) C$_{n}$H$_{2n+1}$OH. D) C$_{n}$H$_{2n+1}$COOH. Show Answer Correct Answer: A) C$_{n}$H$_{2n}$. 22. Cellulose, (C$_{6}$H$_{10}$O$_{5}$)n is a A) Organic compound. B) Inorganic compound. C) All the above. D) None of the above. Show Answer Correct Answer: A) Organic compound. 23. What chemical is the most suitable to be used to speed up the coagulation of latex? A) Sodium hydroxide solution. B) Sulphuric acid. C) Methanoic acid. D) Ammonia. Show Answer Correct Answer: C) Methanoic acid. 24. Which of the following belongs to homologous series of alkynes?C6H6, C2H6, C2H4, C3H4. A) C6H6. B) C2H4. C) C2H6. D) C3H4. Show Answer Correct Answer: D) C3H4. 25. Which is an organic compound? A) Carbon Dioxide. B) Carbon Monoxide. C) Carbonates. D) Ethane. Show Answer Correct Answer: D) Ethane. ← PreviousNext →Related QuizzesClass 10 Science Chapter 4 Carbon And Its Compounds Quiz 1Class 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 10Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books