This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Molecules composed of many monomers; makes up macromolecules. A) Polymer. B) Monomer. C) Nucleotide. D) Amino Acid. Show Answer Correct Answer: A) Polymer. 2. Examples of neuclic acids are DNA and RNA . A) True. B) Flase. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Carbon is great at bonding because it has how many valence electrons? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 4. Polysaccharides are linked by A) Glycosidic linkages. B) Phosphodiester bonds. C) Peptide bonds. D) Ester linkages. Show Answer Correct Answer: A) Glycosidic linkages. 5. Which macromolecule helps bears hibernate in the winter? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 6. Which of the following is not observed in a homologous series? A) Change in chemical properties. B) Difference in-CH, and 14u molecular mass. C) Gradation in physical properties. D) Same functional group. Show Answer Correct Answer: A) Change in chemical properties. 7. Resonance stabilized is due to A) Strong covalent bond. B) Strong pi bond. C) Delocaloisation of pi electrons. D) Delocalisation of sigma electrons. Show Answer Correct Answer: C) Delocaloisation of pi electrons. 8. Give an example of a compound with a carboxylic acid functional group. A) Ethanol (C2H5OH). B) Butane (C4H10). C) Acetic acid (CH3COOH). D) Hexanoic acid (C6H12O2). Show Answer Correct Answer: C) Acetic acid (CH3COOH). 9. Unsaturated fats can be converted into saturated fats by bubbling hydrogen through hot, liquid oil. What is the name of the process? A) Oxidation. B) Hydrogenation. C) Halogenation. D) Hydration. Show Answer Correct Answer: B) Hydrogenation. 10. Which macromolecule stores energy, insulates us, and makes up the cell membrane? A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: A) Lipids. 11. Simple building blocks (or groups of atoms) that attach to other groups to form molecule are called ..... A) Atoms. B) Elements. C) Monomers. D) Polymers. Show Answer Correct Answer: C) Monomers. 12. What is the suffix used for functional group 'Alkene'? A) -oic. B) -ol. C) -ene. D) -ane. Show Answer Correct Answer: C) -ene. 13. What are some examples of carbohydrates? A) Sugars and starches. B) Eggs and meat. C) Fats and oils. D) DNA and RNA. Show Answer Correct Answer: A) Sugars and starches. 14. What are the changes of colour of potassium dichromate(VI) in the oxidation reaction with alcohols? A) From orange to green. B) From green to orange. C) From colourless to orange. D) From purple to colourless. Show Answer Correct Answer: A) From orange to green. 15. What period is carbon in on the periodic table? A) 2. B) 7. C) 3. D) 5. Show Answer Correct Answer: A) 2. 16. Which of the following compounds is an example of hydrocarbon? A) CO$_{2}$. B) C$_{2}$H$_{6}$. C) C$_{2}$H$_{5}$OH. D) CH$_{3}$COOH. Show Answer Correct Answer: B) C$_{2}$H$_{6}$. 17. What element serves as the identity of carbon compounds? A) Argon. B) Carbon. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: B) Carbon. 18. The simplest alkyne is ..... A) Methyne. B) Ethyne. C) Propyne. D) Butyne. Show Answer Correct Answer: B) Ethyne. 19. Which consists of carbon atoms? A) Graphite. B) Diamond. C) Fullerene. D) All of these. Show Answer Correct Answer: D) All of these. 20. Generally alkenes have ..... melting and boiling point but ..... as the number of carbon atoms per molecule increases A) High, decrease. B) Low, decrease. C) High, increase. D) Low, increase. Show Answer Correct Answer: D) Low, increase. 21. The most common elements in living things: A) Carbon, hydrogen and oxygen. B) Carbon, water and nitrogen. C) Carbon, nitrogen and oxygen. D) Oxygen, hydrogen and water. Show Answer Correct Answer: A) Carbon, hydrogen and oxygen. 22. Which do all carbohydrates do for us? A) Provide energy. B) Make muscle. C) Make brains. D) Make hair. Show Answer Correct Answer: A) Provide energy. 23. Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ..... A) Isomers. B) Isotopes. C) Polymers. D) Alkanes. Show Answer Correct Answer: A) Isomers. 24. What carbon compounds gives ducks their waterproof feathers? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 25. What is an example of a lipid? A) Glucose. B) DNA. C) Oils. D) Keratin. Show Answer Correct Answer: C) Oils. ← 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