This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 9 Biomolecules – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 9 Biomolecules Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cellulose is which type of biomolecule? A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic Acid. Show Answer Correct Answer: A) Carbohydrate. 2. Repeating units of ..... form Lipids. A) Fatty acids. B) Amino acids. C) Nucleotides. D) Monosaccharides. Show Answer Correct Answer: A) Fatty acids. 3. A polypeptide will become a A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 4. In a DNA molecule, the "rungs" of the ladder are paired nitrogenous bases (base pairs). What forms the "sides" of the ladder? A) Sugars. B) Phosphates. C) Linked sugars and phosphates. D) Adenine and Thymine. Show Answer Correct Answer: C) Linked sugars and phosphates. 5. RNA contains A) Ribose sugar and thymine. B) Ribose sugar and Uracil. C) Deoxyribose sugar and Uracil. D) Deoxyribose sugar and thymine. Show Answer Correct Answer: B) Ribose sugar and Uracil. 6. Which one of these is not biomolecule? A) Nucleic acid. B) Hydrochloric acid. C) Amino acid. D) Fatty acid. Show Answer Correct Answer: B) Hydrochloric acid. 7. Which of these is NOT a lipid A) Fats. B) Oils. C) Amino acids. D) Waxes. Show Answer Correct Answer: C) Amino acids. 8. Water is a product in ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dehydration Synthesis. 9. Which of the following statement is not true about glucose? A) It is an aldohexose. B) On heating with HI it forms n-Hexane. C) It is present in furanose form. D) It does not give 2, 4-DNP test. Show Answer Correct Answer: C) It is present in furanose form. 10. What is the primary function of carbohydrates in the body? A) Long-term energy storage. B) Quick energy source. C) Building muscle tissue. D) Transmitting genetic information. Show Answer Correct Answer: B) Quick energy source. 11. The two strands of DNA are ..... A) Anti-parallel and complementary. B) Similar in nature and complementary. C) Parallel and complementary. D) Different in nature. Show Answer Correct Answer: A) Anti-parallel and complementary. 12. Define nucleic acid. A) Stores energy. B) A polymer capable of storing and transferring genetic information. C) Movement. D) Physical structure. Show Answer Correct Answer: B) A polymer capable of storing and transferring genetic information. 13. ..... is an example of fibrous protein A) Egg albumin. B) Soybaean. C) Hair keratin. D) Nails. Show Answer Correct Answer: C) Hair keratin. 14. Which biomolecule is hydrophobic? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 15. The pyrimidine bases present in DNA are A) Cytosine and adenine. B) Cytosine and guanine. C) Cytosine and thymine. D) Cytosine and Uracil. Show Answer Correct Answer: C) Cytosine and thymine. 16. Which of the following is a polymer of glucose? A) Starch. B) DNA. C) RNA. D) Triglyceride. Show Answer Correct Answer: A) Starch. 17. Where an enzyme joins with a substrate is called its ..... A) Active Site. B) Mouth. C) Substrate. D) PH. Show Answer Correct Answer: A) Active Site. 18. A single subunit of a biomolecule is called a ..... A) Polymer. B) Monomer. C) Dinomer. D) Trinomer. Show Answer Correct Answer: B) Monomer. 19. Which of the following is an enzyme? A) Amylase. B) Fructose. C) Peptidoglycan. D) Glycine. Show Answer Correct Answer: A) Amylase. 20. Which biomolecule is most abundant in the cell membrane and helps in forming its structure? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 21. ..... have involvement in the immune system. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: C) Proteins. 22. Food source examples of lipids are all of the following except: A) Lard (Manteca). B) Butter. C) Oils. D) Eggs. Show Answer Correct Answer: D) Eggs. 23. CHO with head and tails A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic acid. Show Answer Correct Answer: B) Lipid. 24. The suffix found in names of sugars A) -ol. B) -ase. C) -ose. D) None of the above. Show Answer Correct Answer: C) -ose. 25. What level of structure does the R group interact effect? A) Primary. B) Secondary. C) Tertiary. D) Quaternary. Show Answer Correct Answer: C) Tertiary. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 9 Biomolecules Quiz 1Class 11 Biology Chapter 9 Biomolecules Quiz 2Class 11 Biology Chapter 9 Biomolecules Quiz 3Class 11 Biology Chapter 9 Biomolecules Quiz 4Class 11 Biology Chapter 9 Biomolecules Quiz 5Class 11 Biology Chapter 9 Biomolecules Quiz 6Class 11 Biology Chapter 9 Biomolecules Quiz 7Class 11 Biology Chapter 9 Biomolecules Quiz 8Class 11 Biology Chapter 9 Biomolecules Quiz 9Class 11 Biology Chapter 9 Biomolecules Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books