This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a polysaccharide? A) Glucose. B) Sucrose. C) Glycogen. D) Fructose. Show Answer Correct Answer: C) Glycogen. 2. In ..... Alfred Werner contributed to the understanding of molecular structures of inorganic substances. A) 1863. B) 1873. C) 1883. D) 1893. Show Answer Correct Answer: D) 1893. 3. What are the building blocks of proteins? A) Nucleotides. B) Amino acids. C) Monosacharides. D) DNA and RNA. Show Answer Correct Answer: B) Amino acids. 4. Name CCl$_{4}$ A) Carbon carbon tetraiodide. B) Carbon tetrachloride. C) Monocarbon tetrachloride. D) Water. Show Answer Correct Answer: B) Carbon tetrachloride. 5. Which macromolecule is associated with a nitrogenous base, phosphate group, and 5-carbon sugar? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: C) Nucleic acids. 6. What is the functional group present in ethers? A) Hydrogen. B) Oxygen. C) Nitrogen. D) Carbon. Show Answer Correct Answer: B) Oxygen. 7. What is an example of an inorganic carbon compound? A) Water (H$_{2}$O). B) Carbon dioxide (CO$_{2}$). C) Oxygen (O$_{2}$). D) Methane (CH$_{4}$). Show Answer Correct Answer: B) Carbon dioxide (CO$_{2}$). 8. Plants build cellulose (a polysaccharide) to makeup their parts like leaves, roots, stems, etc. What monomer do plants use to build cellulose? A) Monosaccharides. B) Disaccharides. C) Amino acids. D) Nucleotides. Show Answer Correct Answer: A) Monosaccharides. 9. Describe the general reaction of alkanes with halogens. A) Alkanes do not react with halogens under any conditions. B) Alkanes react with halogens to form alkyl halides through free radical substitution. C) Alkanes react with halogens to form alcohols through dehydration. D) Alkanes react with halogens to produce carboxylic acids directly. Show Answer Correct Answer: B) Alkanes react with halogens to form alkyl halides through free radical substitution. 10. In what form can an ionic compound conduct electricity? A) When dissolved in water. B) As a solid. C) As a crystal. D) When warmed slightly. Show Answer Correct Answer: A) When dissolved in water. 11. Which of the following is an alkane? A) C$_{3}$H$_{6}$. B) C$_{4}$H$_{8}$. C) C$_{5}$H$_{12}$. D) C$_{6}$H$_{12}$. Show Answer Correct Answer: C) C$_{5}$H$_{12}$. 12. Which of the following statements concerning the reaction of ethene with bromine is/are correct?(1) It is an addition reaction.(2) It is a substitution reaction.(3) A similar reaction will occur if propene is used instead of ethene. A) Only. B) Only. C) And (3) only. D) And (3) only. Show Answer Correct Answer: C) And (3) only. 13. Why are organic carbon compounds considered more complex than inorganic ones? A) Due to their taste. B) Due to carbon's ability to form covalent bonds with other carbon atoms and with other chemical elements. C) Due to their color. D) Because they are cheaper to produce. Show Answer Correct Answer: B) Due to carbon's ability to form covalent bonds with other carbon atoms and with other chemical elements. 14. A molecule is made up of amino acids. What group of carbon compounds does it belong to? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: D) Proteins. 15. What is the name of CCl$_{4}$? A) Carbon tetrachloride. B) Monocarbon tetrachloride. C) Tetracarbon monochloride. D) Carbon chloride. Show Answer Correct Answer: A) Carbon tetrachloride. 16. Concentrated sulphuric acid is often used in the esterification reaction between an alcohol and a carboxylic acid. Which of the following is/are the role(s) of concentrated sulphuric acid in the reaction?(1) Catalyst (2) Oxidizing agent (3) Dehydrating agent A) (1) only. B) (2) only. C) (1) and (3) only. D) (2) and (3) only. Show Answer Correct Answer: C) (1) and (3) only. 17. Carbohydrates are broken down into smaller molecules for what purpose? A) To form cell membranes. B) To form muscle. C) To transmit genetic information. D) To provide energy. Show Answer Correct Answer: D) To provide energy. 18. The isomeric pair is A) Ethane and propane. B) Propane and butane. C) Ethane and ethane. D) Butane and 2-methyl propane. Show Answer Correct Answer: D) Butane and 2-methyl propane. 19. Which of the following is not the example of natural polymers and its corresponding monomer? A) Natural rubber (isoprene). B) Starch (glucose). C) Cellulose (glucose). D) Protein (fatty acid). Show Answer Correct Answer: D) Protein (fatty acid). 20. Proteins have how many levels of structure? A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: A) 4. 21. What is the general formula for alcohols? A) CnH2n+1OH. B) CnHnOH. C) CnH2n+2OH. D) CnH2nOH. Show Answer Correct Answer: A) CnH2n+1OH. 22. Store large amounts of energy: A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 23. Organic compounds A) Are made only of carbon. B) Contain carbon bonded to hydrogen and nothing else. C) Contain carbon bonded to hydrogen. D) Contain only oxygen. Show Answer Correct Answer: C) Contain carbon bonded to hydrogen. 24. Protein monomer: A) Monosaccharides. B) Amino acids. C) Nucleotides. D) Fatty acids. Show Answer Correct Answer: B) Amino acids. 25. Another name for a protein: A) Polysaccharide. B) Polypeptide. C) Deoxyribose. D) Enzyme. Show Answer Correct Answer: B) Polypeptide. ← 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 10Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books