This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 30 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What level of protein structure is the coiling into a helix, or folding into a sheet? A) Primary. B) Tertiary. C) Secondary. D) Quaternary. Show Answer Correct Answer: C) Secondary. 2. When a carbohydrate polymer breaks apart using water it is called ..... A) Carbolysis. B) Hydrolysis. C) Metabolism. D) Dehydration synthesis. Show Answer Correct Answer: B) Hydrolysis. 3. Some people cannot digest milk products because they lack a specific enzyme. Which enzyme would be used to break down the lactose in milk? A) Galactase. B) Maltase. C) Lactase. D) None of above. Show Answer Correct Answer: C) Lactase. 4. ..... carbohydrate is found in exo skeleton of insects A) Pectin. B) Peptidoglycan. C) Inulin. D) Chitin. Show Answer Correct Answer: D) Chitin. 5. Which is not part of the net products of Glycolysis? A) 2 ATP. B) 2 NADH. C) 2 Pyruvate. D) 2 CO2. Show Answer Correct Answer: D) 2 CO2. 6. Peptide bonds are formed when ..... link to form a polymer. A) Monosaccharides. B) Nucleic acids. C) Polypeptides. D) Amino acids. Show Answer Correct Answer: D) Amino acids. 7. One steroid, needed to stabilize the plasma membrane, is ..... A) Membranase. B) Fentenol. C) Triglycerol. D) Cholesterol. Show Answer Correct Answer: D) Cholesterol. 8. A chemical substance found within a living organism. A) Bioinorganic substances. B) Biochemical substance. C) Bioorganic substances. D) Building blocks. Show Answer Correct Answer: B) Biochemical substance. 9. Enzymes are ..... that ..... chemical reactions. A) Proteins, speed up. B) Proteins, slow down. C) Lipids, speed up. D) Lipids, slow down. Show Answer Correct Answer: A) Proteins, speed up. 10. Conversion of Atmospheric Nitrogen into Ammonia is called as ..... A) Nitrogen Adsorption. B) Nitrogen Fixation. C) Nitrogen Absorption. D) Nitrogen Assimilation. Show Answer Correct Answer: B) Nitrogen Fixation. 11. How many nucleotides make a codon? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 12. Name the process:DNA ..... Protein A) Replication. B) Transcription. C) Central Dogma. D) Translation. Show Answer Correct Answer: C) Central Dogma. 13. The ..... is the particle in an atom that has no charge. A) Proton. B) Neutron. C) Electron. D) None of above. Show Answer Correct Answer: B) Neutron. 14. Glycolysis results in the total production of: A) 2 ATP. B) 2 Acetyl CoA. C) 4 NADH. D) 4 ATP. Show Answer Correct Answer: D) 4 ATP. 15. It forms bonds by addition of the water component. A) Hydrolases. B) Ligase. C) Helicase. D) Isomerases. Show Answer Correct Answer: A) Hydrolases. 16. Which is an organic compound found in most cells? A) Oxygen gas. B) Water. C) Glucose. D) Sodium chloride. Show Answer Correct Answer: C) Glucose. 17. What is the function of the graduated Cylinder? A) To hold liquid measured in volume. B) To add liquid drop by drop. C) Use to dispense small quality of liquid. D) None of above. Show Answer Correct Answer: A) To hold liquid measured in volume. 18. Vegetable oils, such as corn oil, belong to which general class of organic substances? A) Proteins. B) Salts. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: C) Lipids. 19. What is reducing sugar? A) An oligosaccharide. B) A chemical property. C) A function of polysaccharides. D) A reaction of monosaccharides. Show Answer Correct Answer: D) A reaction of monosaccharides. 20. ..... are the main components of fats and oils. A) Carbohydrates. B) Nucleic acids. C) Lipids. D) Amino acids. Show Answer Correct Answer: C) Lipids. 21. A compound is made of up A) Two or more atoms. B) Two or more different elements. C) Two molecules. D) Water and Oxygen. Show Answer Correct Answer: B) Two or more different elements. 22. Which of the following would be correctly classified as a protein? A) An enzyme. B) Starch. C) Cholesterol. D) Cellulose. Show Answer Correct Answer: A) An enzyme. 23. Where does carbohydrate digestion begin? A) In the mouth. B) In the shoulder. C) In the ear. D) In the nose. Show Answer Correct Answer: A) In the mouth. 24. Which 2 molecules form the sides (backbone) of the DNA ladder? A) Deoxyribose sugar and adenine. B) Deoxyribose sugar and a hydrogen bond. C) Deoxyribose sugar and the nucleus. D) Deoxyribose sugar and phosphate. Show Answer Correct Answer: D) Deoxyribose sugar and phosphate. 25. Which of the following is an incorrect association. A) Monosaccharides, lipids. B) Amino acids, proteins. C) Fatty acids, lipids. D) Nucleotides, nucleic acids. Show Answer Correct Answer: A) Monosaccharides, lipids. 26. Glycolysis has a net gain of how many ATP molecules? A) 2. B) 4. C) 6. D) None of above. Show Answer Correct Answer: A) 2. 27. The basic building block of proteins A) Amino acids. B) Nucleotides. C) Monosaccharides. D) Fatty acids. Show Answer Correct Answer: A) Amino acids. 28. ..... is called carbohydrate though it is not a hydrate of carbon A) Di hydroxy acetone. B) Glucose. C) Acetic acid. D) Deoxy ribose. Show Answer Correct Answer: D) Deoxy ribose. 29. Normal human blood has a pH of ..... A) 7.4. B) 7.3. C) 7.2. D) 7.5. Show Answer Correct Answer: A) 7.4. 30. In order to enter cells and be useful to the body, starch must be ..... A) Absorbed through the skin. B) Broken down into fats and water. C) Digested into simple sugars. D) Converted to carbon dioxide. Show Answer Correct Answer: C) Digested into simple sugars. ← 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