This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 11 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following are true regarding enzymes? A) Catalysts. B) Proteins. C) Lock and key. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. In order to be used as energy, polysaccharides & disaccharides must be ..... A) Stored. B) Heated. C) Put together. D) Broken down. Show Answer Correct Answer: D) Broken down. 3. General test to detect charbohydrates A) Barfoed's Test. B) Biurt test. C) Anthrone Test. D) Benedict's Test. Show Answer Correct Answer: C) Anthrone Test. 4. A monomer splits from a polymer through A) Condensation reaction. B) ATP synthesis. C) Monomerization. D) Hydrolysis. Show Answer Correct Answer: D) Hydrolysis. 5. Hydrolysis literally means A) To join with water. B) To join with oil. C) To split with oil. D) To split with water. Show Answer Correct Answer: D) To split with water. 6. Which is the dominant form of an amino acid? A) Zwitter. B) Zwitterion. C) Zwitteria. D) Zwaer. Show Answer Correct Answer: B) Zwitterion. 7. What is the storage(s) form of carbohydrate found in mammals? A) Glucose and glycogen. B) Glycogen. C) Starch. D) Fiber and glycogen. Show Answer Correct Answer: B) Glycogen. 8. Pasta is an example of what biomolecule A) Polysaccharide. B) Triglyceride. C) Nucleic Acids. D) Polypeptide. Show Answer Correct Answer: A) Polysaccharide. 9. If a scientist turns a polymer into monomers in the laboratory, would the resulting material be larger or smaller than the starting reactants? A) Larger. B) Smaller. C) Not enough information to answer. D) Stays the same. Show Answer Correct Answer: B) Smaller. 10. The structural level of a protein least affected by hydrogen bonds is A) Primary level. B) Secondary level. C) Tertiary level. D) All levels are equally affected. Show Answer Correct Answer: A) Primary level. 11. A feature of organic compounds NOT found in inorganic compounds is the presence of A) Ionizing chemical groups. B) Electrons. C) Carbon items covalently bonded to each other. D) Hydrogen bonds. Show Answer Correct Answer: C) Carbon items covalently bonded to each other. 12. What happens when an atom loses an electron? A) Neutral (no charge). B) Positive charge. C) Negative charge. D) None of above. Show Answer Correct Answer: B) Positive charge. 13. An enzyme serves as a place where a chemical reaction can occur because- A) The shape of the substrates fits perfectly into the shape of the enzyme's active site. B) The charge on the enzyme's active site is the same as the charge on the substrates. C) The enzyme is a substrate. D) The enzyme is one of the reactants in the reaction. Show Answer Correct Answer: A) The shape of the substrates fits perfectly into the shape of the enzyme's active site. 14. What is the function of a nucleotide? A) Catalyzing cellular reactions. B) Storing Energy. C) Building tissue. D) Storing genetic information. Show Answer Correct Answer: D) Storing genetic information. 15. What is the major component of plasma membranes? A) Proteins. B) Nucleic acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: C) Carbohydrates. 16. Provide quick energy and serve as structural components of plant cells A) Nucleic Acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 17. Protein catalyst. A) Carbohydrate. B) Lipid. C) Nucleic acids. D) Enzyme. Show Answer Correct Answer: D) Enzyme. 18. How many bonds can one carbon atom make? A) Unlimited. B) 4. C) 1. D) 3. Show Answer Correct Answer: B) 4. 19. A function of a lipid is ..... A) Short term energy. B) Energy storage. C) Structures and enzymes. D) Hereditary information. Show Answer Correct Answer: B) Energy storage. 20. It is a semitransparent fluid that suspends the other elements A) Cytoplasm. B) Cell Membrane. C) Cytosol. D) Peroxisome. Show Answer Correct Answer: C) Cytosol. 21. Which of the macromolecules contain nitrogen? A) Proteins only. B) Nucleic acids only. C) Proteins and lipids. D) Nucleic acids and proteins. Show Answer Correct Answer: D) Nucleic acids and proteins. 22. Which are the building blocks of most lipid molecules? A) Glucose and protein. B) Glucose and fatty acids. C) Fatty acids and glycerol. D) Amino acids and glycerol. Show Answer Correct Answer: C) Fatty acids and glycerol. 23. Which of the following is able to convert pyranoses to furfuraldehydes? A) Conc sulfuric acid. B) Conc nitric acid. C) Conc. hydrochloric acid. D) 5N Hydrochloric acid. Show Answer Correct Answer: A) Conc sulfuric acid. 24. Which two subatomic particles are located in the nucleus? A) Protons and Electrons. B) Protons and Neutrons. C) Electrons and Protons. D) None of above. Show Answer Correct Answer: B) Protons and Neutrons. 25. Formally known as paraffins A) Alkanes. B) Alkenes. C) Alkynes. D) None of above. Show Answer Correct Answer: A) Alkanes. 26. It is most commonly known for its role in fetal health and development as it plays a critical role in the proper development of the baby's nervous system. A) Thiamin. B) Cobalamin. C) Folic Acid. D) Biotin. Show Answer Correct Answer: C) Folic Acid. 27. A dog gets many nutrients from its food including amino acids. Which of these can be build directly using the amino acids? A) Minerals. B) Lipids. C) Carbohydrates. D) Proteins. Show Answer Correct Answer: D) Proteins. 28. If dipeptides carboxyl group reacts with the amino group, what is formed? A) The next protein. B) The next peptide bond. C) The next ionic bond. D) The next amino acid. Show Answer Correct Answer: B) The next peptide bond. 29. The entire spectrum of chemical reactions, occurring in the living system are collectively referred to as A) Recovery. B) Metabolism. C) Synthesis. D) Condensation. Show Answer Correct Answer: B) Metabolism. 30. ATP is a very important molecule because of the energy it provides. What functional group provides this energy? A) Phosphate. B) Amine. C) Hydroxyl. D) Carboxyl. Show Answer Correct Answer: A) Phosphate. ← PreviousNext →Related QuizzesBiochemistry QuizzesAgriculture QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books