This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 5 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens if you eat more carbohydrates then your body needs? A) Creates extra energy. B) Becomes waste. C) Turns to fat. D) Becomes DNA. Show Answer Correct Answer: C) Turns to fat. 2. It contains genetic material (DNA), that is like a blueprint that contains all the instructions needed for building the whole body. Control center of the cell A) Ribosomes. B) Nucleus. C) Cytoplasm. D) Nuclear Envelope. Show Answer Correct Answer: B) Nucleus. 3. A diet lacking in ..... leads to the development of a disease known as scurvy. A) Vitamin D. B) Vitamin A. C) Vitamin C. D) Vitamin B. Show Answer Correct Answer: C) Vitamin C. 4. The positive particles of an atom are ..... A) Neutrons. B) Electrons. C) Protons. D) Nucleus. Show Answer Correct Answer: C) Protons. 5. Plants use polysaccharides such as cellulose for A) Energy Storage. B) Cell Structure. C) Cell Identification. D) None of above. Show Answer Correct Answer: B) Cell Structure. 6. Monomers like glucose and fructose are examples of: A) Monosaccharides. B) Amino aicds. C) Polysaccharides. D) Triglycerides. Show Answer Correct Answer: A) Monosaccharides. 7. The scientific name for table sugar is ..... A) Sucrose. B) Glucose. C) Galactose. D) Lactose. Show Answer Correct Answer: A) Sucrose. 8. Polymers are made of repeating units called ..... A) Monosaccharides. B) Glucose. C) Fatty acids. D) Monomers. Show Answer Correct Answer: D) Monomers. 9. The polysaccharide ..... is stored in the muscles of animals as stored energy. A) Glycogen. B) Starch. C) Keratin. D) Cellulose. Show Answer Correct Answer: A) Glycogen. 10. This type of bond results from equal sharing of valence electrons. A) Hydrogen bond. B) Nonpolar covalent bond. C) Ionic bond. D) Polar covalent bond. Show Answer Correct Answer: B) Nonpolar covalent bond. 11. Lipids are essentially just .....? A) Fats and Oils. B) Proteins and Fats. C) Simple Sugars and Complex Carbs. D) DNA and Proteins. Show Answer Correct Answer: A) Fats and Oils. 12. Chemicals that help chemical reactions occur at faster rates in living organisms are known as ..... A) Biotic resources. B) Oxygen molecules. C) Simple sugars. D) Organic catalysts. Show Answer Correct Answer: D) Organic catalysts. 13. Matter is made up of atoms which: A) Can easily be seen. B) Have no weight. C) Have mass and volume. D) Don't take up any space. Show Answer Correct Answer: C) Have mass and volume. 14. What 3 letters do enzymes typically end in? A) -tic. B) -ose. C) -ese. D) -ase. Show Answer Correct Answer: D) -ase. 15. The function of proteins is to ..... A) Main source of energy & provide structural support. B) Store energy, provide and steroids. C) Transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones. D) Stores, transmits, & communicates genetic information. Show Answer Correct Answer: C) Transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones. 16. All of the following have hydrophilic parts EXCEPT A) Nucleic acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: C) Lipids. 17. Made of nucleotides A) Proteins. B) Carbohydrates. C) Nucleic Acids. D) Lipids. Show Answer Correct Answer: C) Nucleic Acids. 18. The color of positve result of Ninhydrin Test is A) Blue. B) Pink. C) Red. D) Yellow. Show Answer Correct Answer: A) Blue. 19. What is the molecular formula of ribose? A) C5H10O5. B) C6H1206. C) CH71207. D) C2H40. Show Answer Correct Answer: A) C5H10O5. 20. Why do lipids have more energy than carbohydrates? A) Lipids have more chemical bonds. B) Carbohydrates taste better so we eat more of them. C) Lipids taste better so we eat more of them. D) Carbohydrates have more chemical bonds. Show Answer Correct Answer: A) Lipids have more chemical bonds. 21. The anthocyanin indicator turns greenish if the solution is ..... A) Acidic. B) Basic. C) Neutral. D) None of the above. Show Answer Correct Answer: C) Neutral. 22. Which category of carbon-based molecules includes sugars and starches? A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: C) Carbohydrates. 23. How does an enzyme affect the rate of a reaction? A) It raises the activation energy of the reaction, decreasing the reaction rate. B) It lowers the activation energy of the reaction, increasing the reaction rate. C) It raises the activation energy of the reaction, increasing the reaction rate. D) It lowers the activation energy of the reaction, decreasing the reaction rate. Show Answer Correct Answer: B) It lowers the activation energy of the reaction, increasing the reaction rate. 24. The digestion of sucrose (table sugar) results in what two monosaccharides? A) Fructose and glucose. B) Maltose and glucose. C) Glucose and galactose. D) Galactose and fructose. Show Answer Correct Answer: A) Fructose and glucose. 25. Which of the following enzyme is not a protein? A) DNAse. B) Carboxypeptidase. C) Amylase. D) Ribozyme. Show Answer Correct Answer: D) Ribozyme. 26. Pinakagwapo sa MD 1Y1-7 A) Kevin Ortiz. B) Lance Monasterio. C) Nijel Castro. D) None of above. Show Answer Correct Answer: A) Kevin Ortiz. 27. The pOH of sea water is 5. What is its pH? A) 7. B) 9. C) 5. D) 6. Show Answer Correct Answer: B) 9. 28. Chemical breakdown is also referred to as: A) Metabolic. B) Lolabolic. C) Anabolic. D) Catabolic. Show Answer Correct Answer: D) Catabolic. 29. Waterproofs, insulates, and stores energy long-term A) Nucleic Acids. B) Proteins. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: C) Lipids. 30. Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water? A) Surface tension. B) Nonpolar. C) Adhesion. D) Solvent properties. Show Answer Correct Answer: A) Surface tension. ← PreviousNext →Related QuizzesBiochemistry QuizzesAgriculture QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8Biochemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books