This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What nitrogen base is present in RNA but not in DNA? A) Adenine. B) Guanine. C) Thymine. D) Uracil. Show Answer Correct Answer: D) Uracil. 2. What is a fatty acid? A) A type of carbohydrate. B) A carboxylic acid with a long hydrocarbon chain, serving as a fundamental building block for most lipids. C) A protein that helps in muscle building. D) A vitamin that aids in vision. Show Answer Correct Answer: B) A carboxylic acid with a long hydrocarbon chain, serving as a fundamental building block for most lipids. 3. The "ane" ending in "alkane" tells someone that they are dealing with ..... bonded carbons. A) Single. B) Double. C) Triple. D) Quadruple. Show Answer Correct Answer: A) Single. 4. Which acid is present in vinegar? A) Acetic acid. B) Formic acid. C) Butanoic acid. D) Citric acid. Show Answer Correct Answer: A) Acetic acid. 5. What are the building blocks of nucleic acids? A) Nucleotides. B) Amino acids. C) Monosacharides. D) DNA and RNA. Show Answer Correct Answer: A) Nucleotides. 6. Alkenes and alkynes are ..... A) Unsaturated hydrocarbons. B) Saturated hydrocarbons. C) Compounds. D) None of the above. Show Answer Correct Answer: A) Unsaturated hydrocarbons. 7. Allotropes of carbon have the same chemical properties because they have A) The same number of electrons. B) The same number of valence electrons. C) Different number of electrons. D) The same number of protons. Show Answer Correct Answer: B) The same number of valence electrons. 8. Which of the following is a property of an ionic compound? A) High melting point. B) Soft. C) Malleable. D) Liquid at room temperature. Show Answer Correct Answer: A) High melting point. 9. What type of macromolecule are enzymes? A) Protein. B) Carbohydrate. C) Lipid. D) Nucleic Acid. Show Answer Correct Answer: A) Protein. 10. In which of the following compounds, -OH is the functional group? A) Butanone. B) Butanal. C) Butanoic acid. D) Butanol. Show Answer Correct Answer: D) Butanol. 11. What type of element is carbon? A) Actinoids. B) Alkall metals. C) Other nonmetals. D) Halogens. Show Answer Correct Answer: C) Other nonmetals. 12. What is the first step in the refining of petroleum? A) Cracking. B) Fractional distillation. C) Filtration. D) Combustion. Show Answer Correct Answer: B) Fractional distillation. 13. Which of the following is created from carbon? A) Pencil graphite. B) Diamonds. C) Charcoal. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Plant species such as the sesame plant and the coconut palm have large amounts of lipids in their seeds. Which of the following is the most likely function of these lipids? A) To store energy for the seedlings. B) To absorb water for the seedlings. C) To encode most of the genetic information in the seedlings. D) To speed up most of the chemical reactions in the seedlings. Show Answer Correct Answer: A) To store energy for the seedlings. 15. A bond created by the sharing of electrons is known as ..... A) A covalent bond. B) An ionic bond. C) A sharing bond. D) An electron bond. Show Answer Correct Answer: A) A covalent bond. 16. Which is a Carbohydrate's monomer? A) Fatty acids. B) Amino acids. C) Monosacharide. D) Nucleotide. Show Answer Correct Answer: C) Monosacharide. 17. What does monosaccharide mean? A) Two sugars. B) One sugar. C) Many sugar. D) One carbohydrate. Show Answer Correct Answer: B) One sugar. 18. The first member of the alkene series is methene. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Which two bio molecules have only Carbon, Hydrogen, and Oxygen? A) Carbohydratess/Nucleic Acids. B) Lipids/Carbohydrates. C) Proteins/Nucleic Acids. D) Carbohydrates/Proteins. Show Answer Correct Answer: B) Lipids/Carbohydrates. 20. Bonds that hold amino acids together in proteins: A) Peptide. B) Hydrogen. C) Ionic. D) Van der Waals. Show Answer Correct Answer: A) Peptide. 21. What are proteins formed from? A) Nucleotides. B) Fatty acids. C) Amino acids. D) Monosaccharides. Show Answer Correct Answer: C) Amino acids. 22. Which of the following has the highest melting and boiling point? A) Inorganic. B) Organic. C) Lipid. D) Protein. Show Answer Correct Answer: A) Inorganic. 23. Saturated molecules contain ..... A) A carbon to carbon double bond. B) Only single bonds between carbon atoms. C) A water molecule. D) A hydroxyl group. Show Answer Correct Answer: B) Only single bonds between carbon atoms. 24. Which of the following is the uses of methanoic acid? A) Used in cooking and baking. B) Used in coagulating latex. C) Used as flavouring for sour candies. D) Used in vulcanisation of rubber. Show Answer Correct Answer: B) Used in coagulating latex. 25. The boiling points and viscosity of alkane molecules increase as their molecular sizes increase. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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