This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... can make 4 different bond with 4 different things A) Water. B) Carbon. C) Starch. D) Proteins. Show Answer Correct Answer: B) Carbon. 2. A hydrocarbon is a chemical compound consists of A) Carbon and oxygen only. B) Carbon and hydrogen only. C) Carbon, hydrogen and oxygen only. D) Carbon, hydrogen, oxygen and nitrogen only. Show Answer Correct Answer: B) Carbon and hydrogen only. 3. When does incomplete combustion occur? A) Lack of oxygen. B) Excess oxygen. C) Depends. D) Lack of fuel. Show Answer Correct Answer: A) Lack of oxygen. 4. Which monomer is the basic building block of a protein? A) Monosaccharide. B) Amino acid. C) Nucleotide. D) Fatty acid. Show Answer Correct Answer: B) Amino acid. 5. What is the IUPAC name of C$_{6}$H$_{14}$? A) Methane. B) Propane. C) Hexane. D) Heptane. Show Answer Correct Answer: C) Hexane. 6. Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule? A) Protein. B) Carbohydrate. C) Nucleic acid. D) Lipid. Show Answer Correct Answer: D) Lipid. 7. How many atoms can a Carbon atom potentially bind to? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 8. What is the importance of organic carbon compounds in the food industry? A) They contribute to the flavor and aroma of food. B) They have no importance in the food industry. C) They cause foodborne illnesses. D) They generate artificial coloring in food. Show Answer Correct Answer: A) They contribute to the flavor and aroma of food. 9. What is the process of converting sunlight energy into chemical energy that is then sorted as food within plants? A) Cellular respiration. B) Cell division. C) Photosynthesis. D) Chemosynthesis. Show Answer Correct Answer: C) Photosynthesis. 10. How many electrons are shared in a triple bond? A) 1. B) 2. C) 4. D) 6. Show Answer Correct Answer: D) 6. 11. Which bio molecule has Carbon, Hydrogen, Oxygen, Nitrogen, Phosphurus? A) Carbs. B) Lipids. C) Nucleic Acids. D) Proteins. Show Answer Correct Answer: C) Nucleic Acids. 12. If the name of a compound ends in "ane" then it belongs to ..... A) Alkanes. B) Alkenes. C) Alcohols. D) Carboxylic acids. Show Answer Correct Answer: A) Alkanes. 13. Which of the following statements about graphite and diamond is true? A) They have the same crystal structure. B) They have the same degree of hardness. C) They have the same electrical conductivity. D) They can undergo the same chemical reactions. Show Answer Correct Answer: D) They can undergo the same chemical reactions. 14. What is the difference between inorganic and organic carbon compounds? A) Natural vs synthetic origin. B) Color of the compounds. C) Presence of carbon-hydrogen bonds. D) Amount of carbon present. Show Answer Correct Answer: C) Presence of carbon-hydrogen bonds. 15. Fight disease: A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 16. One of the characteristics of life is that organisms must have genetic material. This genetic material is a ..... A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic acid. Show Answer Correct Answer: D) Nucleic acid. 17. Calcium carbide, CaC$_{2 }$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. Which of the following is the functional group for alcohol? A) C=C. B) -OH. C) -COOH. D) -COO-. Show Answer Correct Answer: B) -OH. 19. Which properties of propane and propene are the same? A) Soluble in water. B) Decolourise brown colour of bromine water. C) Burn completely in air to produce carbon dioxide and water. D) Decolourise purple colour of acidified potassium manganate (VII) solution. Show Answer Correct Answer: C) Burn completely in air to produce carbon dioxide and water. 20. Hydrocarbons are compounds that contain A) Carbon and Nitrogen atoms only. B) Carbon and Hydrogen atoms only. C) Carbon and Oxygen atoms only. D) Carbon, Oxygen and Hydrogen atoms. Show Answer Correct Answer: B) Carbon and Hydrogen atoms only. 21. What process occurs when coal (fossil fuel) is used for energy? A) Decomposition. B) Combustion. C) Pressurization. D) Respiration. Show Answer Correct Answer: B) Combustion. 22. Which of the following are almost always hydrophobic? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 23. Which one of these does not add CO2 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. 24. Methyl group has the molecular formula A) CH$_{4}$. B) CH$_{3}$. C) CH. D) CH$_{2}$. Show Answer Correct Answer: B) CH$_{3}$. 25. Why do we eat carbohydrates? A) Energy. B) Insulation. C) Genetic Information. D) Build Our Cell Membranes. Show Answer Correct Answer: A) Energy. ← 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