This quiz works best with JavaScript enabled. Home > Biochemistry > General > Biochemistry – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 30 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organelles that has a series of flattened membranes, involved in secretion proteins from cells and in reactions that link sugar to other cellular components? A) Endoplasmic reticulum. B) Peroxisomes. C) Golgi apparatus. D) Mitochondria. Show Answer Correct Answer: C) Golgi apparatus. 2. Fats & oils are examples of this type of macromolecule A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 3. CPS-I is used in which pathway: A) Urea cycle. B) TCA cycle. C) Purine synthesis. D) Pyrimidine synthesis. Show Answer Correct Answer: A) Urea cycle. 4. Which 4 elements make up most of all living matter? A) Carbon, Hydrogen, Nitrogen, Oxygen. B) Carbon, Oxygen, Sodium, Potassium. C) Carbon, Hydrogen, Calcium, Nitrogen. D) Carbon, Oxygen, Nitrogen, Sulfur. Show Answer Correct Answer: A) Carbon, Hydrogen, Nitrogen, Oxygen. 5. The element ..... is found in all of the organic compounds. A) Iron. B) Nitrogen. C) Carbon. D) Oxygen. Show Answer Correct Answer: C) Carbon. 6. Which suffix is used in the names of most enzymes? A) -gen. B) -ase. C) -nic. D) -yme. Show Answer Correct Answer: B) -ase. 7. PH of coffee is considered as A) Basic. B) Neutral. C) Acidic. D) None of the above. Show Answer Correct Answer: C) Acidic. 8. These organic molecules are used by the body to store and release energy. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: A) Carbohydrates. 9. The function of lipids 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: B) Store energy, provide and steroids. 10. Which polysaccharides are found in plants only? A) Glycogen and chitin. B) Glycogen and cellulose. C) Starch and cellulose. D) Chitin and starch. Show Answer Correct Answer: C) Starch and cellulose. 11. Which best explains enzyme specificity? A) An enzyme reacts best at a certain pH. B) An enzyme reacts best at a certain temperature. C) An enzyme is able to react with only one substrate. D) An enzyme is able to react with many different substrates. Show Answer Correct Answer: C) An enzyme is able to react with only one substrate. 12. What is the location in the cell for transcription? A) Nucleus. B) Cytoplasm. C) Ribosome. D) Mitochondria. Show Answer Correct Answer: A) Nucleus. 13. The particles that are found in the nucleus of an atom are ..... A) Neutrons and electrons. B) Electrons only. C) Protons and neutrons. D) Protons and electrons. Show Answer Correct Answer: C) Protons and neutrons. 14. Acquisition of Nitrogen form the atmosphere requires breaking of ..... bond. A) Triple bond. B) Double bond. C) Single bond. D) Hydrogen bond. Show Answer Correct Answer: A) Triple bond. 15. Fats, oils, and waxes are examples of: A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 16. All enzymes end in -ase. Which means that lactose (a carb) is broken down by which enzyme? A) Galactase. B) Sucrase. C) Lactase. D) Fructase. Show Answer Correct Answer: C) Lactase. 17. Which of the following is true regarding lipids? A) 2nd energy source. B) Padding & protection. C) Keeps you warm. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. DNA & RNA are composed of what two general types of molecules? A) Purines & pyrimidines. B) Protactids & peroxides. C) Phosphotines and puradines. D) Pantomimes & pastelines. Show Answer Correct Answer: A) Purines & pyrimidines. 19. All organic compounds contain the element ....., but inorganic compounds do not have it. A) Sulfur. B) Carbon. C) Nitrogen. D) Phosphorous. Show Answer Correct Answer: B) Carbon. 20. This type of fat comes from animals and is often solid at room temperature. A) Saturated fat. B) Unsaturated fat. C) Transfat. D) Phospholipid. Show Answer Correct Answer: A) Saturated fat. ← PreviousNext →Related QuizzesBiochemistry QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8Biochemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books