This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two monosaccharides combine to make a ..... A) Polypeptide. B) Polysaccharide. C) Disaccharide. D) Dipeptide. Show Answer Correct Answer: C) Disaccharide. 2. All organisms contain DNA and RNA. What are the subunits of DNA and RNA? A) Nucleotides. B) Simple sugars. C) Carbohydrates. D) Amino acids. Show Answer Correct Answer: A) Nucleotides. 3. Photosynthesis creates ..... A) Sugars. B) Proteins. C) Fats. D) None of above. Show Answer Correct Answer: A) Sugars. 4. Steroids are a type of ..... A) Nucleic Acid. B) Lipid. C) Protein. D) Carbohydrate. Show Answer Correct Answer: B) Lipid. 5. An example of lipids is ..... A) Pasta. B) Chicken. C) Oils. D) DNA and RNA. Show Answer Correct Answer: C) Oils. 6. Which of the following would test positive with Benedict's Reagent? A) Corn starch-polysaccharide. B) Vegetable oil-lipid. C) Glucose-monosaccharide. D) Lactose-disaccharide. Show Answer Correct Answer: C) Glucose-monosaccharide. 7. What are lipids mostly made of? A) Monosaccharides. B) Glycerol and Fatty Acids. C) Nucleic Acids. D) Amino Acids. Show Answer Correct Answer: B) Glycerol and Fatty Acids. 8. What is the Definition of Biochemistry? A) Study of Chemistry in Living Organisms. B) Study of Life. C) Study of Mechanisms and Functions of Molecules. D) Study of Chemical Components in the Environment. Show Answer Correct Answer: A) Study of Chemistry in Living Organisms. 9. Which statement describes the polarity of a water molecule? A) The oxygen end has slight positive charge and the hydrogen end has a slight negative charge. B) The oxygen end has a slight negative charge and the hydrogen end has a slight positive charge. C) Electrons are shared evenly between the hydrogens and the oxygen. D) The charge on each end of the molecule is balanced. Show Answer Correct Answer: B) The oxygen end has a slight negative charge and the hydrogen end has a slight positive charge. 10. This group functions in padding and insulation in animals A) Carbohydrates. B) Nucleic Acids. C) Proteins. D) Lipids. Show Answer Correct Answer: D) Lipids. 11. A large molecule made up of many similar or identical subunits. A) Lipids. B) Enzyme. C) Monomer. D) Polymer. Show Answer Correct Answer: D) Polymer. 12. The ..... is the negatively charged particle in an atom. A) Proton. B) Neutron. C) Electron. D) None of above. Show Answer Correct Answer: C) Electron. 13. Which of the following best characterizes the reaction A + B + energy $\rightarrow$ AB A) Hydrolysis. B) Exergonic. C) Endergonic. D) Re-dox. Show Answer Correct Answer: C) Endergonic. 14. The apparatus in the experiment was used to mimic what? A) Proteins. B) They didn't mean to mimic anything in particular. C) Earth's present conditions. D) Early Earth's conditions. Show Answer Correct Answer: D) Early Earth's conditions. 15. Nucleic acids bond together via a ..... bond A) Hydrolysis. B) Peptide. C) Glycosidic. D) Phosphodiester. Show Answer Correct Answer: D) Phosphodiester. 16. Used as energy storage A) Cellulose. B) Glycogen. C) Starches. D) None of above. Show Answer Correct Answer: C) Starches. 17. This carbohydrate is used by animals to store energy in the liver. A) Starch. B) Chitin. C) Glucose. D) Glycogen. Show Answer Correct Answer: D) Glycogen. 18. A building block is ..... A) Protein. B) Monomer. C) Polymer. D) Product. Show Answer Correct Answer: B) Monomer. 19. Triglycerides, the monomers of lipids. are made of a glycerol and 3 A) Amino acids. B) Nucleotides. C) Monosaccharides. D) Fatty acids. Show Answer Correct Answer: D) Fatty acids. 20. This particle has a negative charge A) Electron. B) Proton. C) Neutron. D) Atom. Show Answer Correct Answer: A) Electron. 21. How are covalent bonds different from ionic bonds? A) Covalent bonds involve electron sharing, whereas ionic bonds involve electron transfer. B) Covalent bonds involve the valence electrons, whereas ionic bonds do not. C) Covalent bonds consist of just two atoms, whereas ionic bonds consist of three or more ions. D) Covalent bonds are extremely weak, whereas ionic bonds are extremely strong. Show Answer Correct Answer: A) Covalent bonds involve electron sharing, whereas ionic bonds involve electron transfer. 22. What do we call of the bonds between nucleotides? A) Covalent bond. B) Phosphodiester bonds. C) Nucleotide bonds. D) All of the above. Show Answer Correct Answer: B) Phosphodiester bonds. 23. What activities are powered by glucose? A) Walking. B) Thinking. C) Breathing. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. Subunit is to Macrocolecule like ..... is to ..... A) Brick is to Building. B) Building is to Carpenter. C) Building is to Bricks. D) Carpenter is to Building. Show Answer Correct Answer: A) Brick is to Building. 25. Which elements are found in carbohydrates, lipids, proteins and nucleic acids (in that order)? A) CHO 1:2:1, CHO, CHONP, CHON. B) CHO 1:2:1, CHO, CHON, CHONP. C) CHO, CHO 1:2:1, CHONP, CHON. D) CHO, CHO 1:2:1, CHON, CHONP. Show Answer Correct Answer: B) CHO 1:2:1, CHO, CHON, CHONP. 26. Potatoes are examples of ..... A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: B) Carbohydrates. 27. It passes the electrical signals to the meter and displays it as the result. A) Probe. B) Reference electrode. C) Electrode. D) Sensor electrode. Show Answer Correct Answer: A) Probe. 28. It comes from animal-derived foods and is a type of "pre-formed" vitamin A that can be used directly by the body. A) Beta-retinol. B) Retinol. C) Carotene. D) Beta-carotene. Show Answer Correct Answer: B) Retinol. 29. RNA and DNA are which type of organic macromolecule? A) Lipid. B) Carbohydrate. C) Nucleic Acid. D) Protein. Show Answer Correct Answer: C) Nucleic Acid. 30. Which is an example of a protein? A) DNA. B) Red meat. C) Oil. D) Sugar. Show Answer Correct Answer: B) Red meat. ← PreviousNext →Related QuizzesBiochemistry QuizzesAgriculture QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 8Biochemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books