This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 17 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Contains the bases adenine, uracil, cytosine and guanine A) DNA. B) BOTH. C) RNA. D) None of above. Show Answer Correct Answer: C) RNA. 2. Which type of food gives you the most lipids? A) Salad and spaghetti. B) Steak and shrimp. C) Cheese and avocados. D) Peanut butter. Show Answer Correct Answer: C) Cheese and avocados. 3. Which of the following is NOT a part of the cell theory? A) Cells are the basic units of life. B) All living things are made of at least one cell. C) Very few cells reproduce. D) All cells arise from existing cells. Show Answer Correct Answer: C) Very few cells reproduce. 4. This type of atomic bond forms when atoms give or take electrons therefore altering their charge and become attracted to one another. A) Covalent Bonds. B) Ionic Bonds. C) Hydrogen Bonds. D) Metallic Bonds. Show Answer Correct Answer: B) Ionic Bonds. 5. The chemical reactions taking place in a cell will most likely speed up if the A) The size of the cell increases. B) The enzymes involved become inactive. C) The concentration of the reactants is increased. D) Genetic material stops replicating. Show Answer Correct Answer: C) The concentration of the reactants is increased. 6. What two monosaccharides make up maltose? A) Glucose + glucose. B) Glucose + galactose. C) Glucose + fructose. D) Glucose + glycogen. Show Answer Correct Answer: A) Glucose + glucose. 7. Ionic Bonding involves ..... A) The transfer of protons. B) The transfer of nuetrons. C) The transfer of electrons. D) None Of the above. Show Answer Correct Answer: C) The transfer of electrons. 8. How do you recognize a glycerol? A) It is a very long carbon skeleton with a carboxyl group at one end. B) It always consists of C, H, and O in a 1:2:1 ratio. C) It consists of a variable R group and an amine group. D) It is a 3 carbon compound with hydroxyl on each carbon. Show Answer Correct Answer: D) It is a 3 carbon compound with hydroxyl on each carbon. 9. Nitrogenous bases present in the DNA can be grouped into two categories: A) Adenine and guanine. B) Cytosine and uracil. C) Purines and pyrimidines. D) Cytosine and thymine. Show Answer Correct Answer: C) Purines and pyrimidines. 10. The study of the chemistry of the living world. A) Organic chemistry. B) Molecular chemistry. C) Biochemistry. D) None of above. Show Answer Correct Answer: C) Biochemistry. 11. A sugar, a phosphate group and a nitrogen base make up the building blocks of which organic compound? A) Nucleic Acids. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: A) Nucleic Acids. 12. Our cells do not instantly change temperature on a hot day. This is mostly because of water's ..... A) Reactivity. B) Cushioning. C) High Heat Capacity. D) Polarity. Show Answer Correct Answer: C) High Heat Capacity. 13. What property of water makes it the 'universal solvent'? A) It is a polar molecule. B) It contains hydrogen bonds. C) It steals electrons from other atoms. D) It is an ionic compound. Show Answer Correct Answer: A) It is a polar molecule. 14. The resulted sugers of the hydrlosis of the sucrose are A) Polsacharides. B) Oxdizing sugers. C) Pentoses. D) Reducing sugers. Show Answer Correct Answer: D) Reducing sugers. 15. How would you prepare 10.00 mL of 0.6520 M HCl solution from a 1.255 M HCl solution? A) I would add 4 ml of 1.255M HCL to a tube then add 6 ml of distaled water. B) I would add 5.19 ml of 0.6520M HCL to a tube then complete the volume up to 10 ml using distaled water. C) I would add 4 ml of 0.6520M HCL to a tube then add 6 ml of distaled water. D) I would add 5.19 ml of 1.255 M HCL to a tube then complete the volume up to 10 ml using distaled water. Show Answer Correct Answer: B) I would add 5.19 ml of 0.6520M HCL to a tube then complete the volume up to 10 ml using distaled water. 16. The monomer of a nucleic acid is A) Monosaccharide. B) Amino Acid. C) Nucleotide. D) Triglyceride (3 Fatty Acids and 1 Glycerol). Show Answer Correct Answer: C) Nucleotide. 17. If the pH of a solution is 8, it is a ..... A) Weak acid. B) Strong base. C) Strong acid. D) Weak base. Show Answer Correct Answer: D) Weak base. 18. Which of the following organic compounds is the main source of energy for living things? A) Proteins. B) Nucleic acids. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 19. Which of these should you drink everyday? A) Orange juice. B) Pepsi. C) Milk. D) Water. Show Answer Correct Answer: D) Water. 20. What would happen if your body has finished up breaking down carbohydrates in your body? A) You'll become lazy. B) It will start breaking down muscle/protein. C) You'll die. D) It will start breaking down fat. Show Answer Correct Answer: D) It will start breaking down fat. 21. How many calories per gram do lipids provide? A) 9. B) 20. C) 1. D) 4. Show Answer Correct Answer: A) 9. 22. Which one of the following is present in Seliwanoff's reagent? A) Conc Sulfuric acid. B) Conc nitric acid. C) Conc hydrochloric acid. D) 5N Hydrochloric acid. Show Answer Correct Answer: D) 5N Hydrochloric acid. 23. Which of the following best compares the structures of lipids and carbohydrates? A) Both are made up of monosaccharide monomers, but lipids are hydrophobic and carbohydrates are hydrophilic. B) Both contain carbon and hydrogen, but carbohydrates also contain oxygen and lipids contain nitrogen. C) Both consist of carbon, hydrogen, and oxygen, but carbohydrates have repeating structural units and lipids do not. D) Both have a carbon backbone, but lipids also have an amino group and carbohydrates have a carboxylic acid group. Show Answer Correct Answer: C) Both consist of carbon, hydrogen, and oxygen, but carbohydrates have repeating structural units and lipids do not. 24. Polymers are joined together by: A) Polymer synthesis. B) Dehydration synthesis. C) Synthesis. D) Hydration synthesis. Show Answer Correct Answer: B) Dehydration synthesis. 25. What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?" A) Purity. B) Polarity and cohesion. C) High heat capacity. D) Expansion upon freezing. Show Answer Correct Answer: B) Polarity and cohesion. 26. With enzymes, biochemical reactions would occur far too slowly to sustain life. A) TRUE. B) FALSE. C) DI AKO SURE. D) None of above. Show Answer Correct Answer: B) FALSE. 27. An atom that loses an electron becomes which of the following? A) A negatively charged ion. B) A neutral ion. C) A positively charged ion. D) None of above. Show Answer Correct Answer: C) A positively charged ion. 28. The primary purpose the body uses monosaccharides for is? A) Generating Heat. B) Immediate Energy. C) Helping the Immune System. D) Building muscles. Show Answer Correct Answer: B) Immediate Energy. 29. Acetylcholine is an important chemical signal in the nervous system. It is broken down into other chemicals by cholinesterase.Cholinesterase is which of the following? A) Lipid. B) Hormone. C) Organelle. D) Enzyme. Show Answer Correct Answer: D) Enzyme. 30. Which of the following items is NOT a polysaccharide? A) Lactose. B) Glycogen. C) Starch. D) Chitin. Show Answer Correct Answer: A) Lactose. ← 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