This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Acids have a ..... pH and a ..... pOH A) Low, high. B) High, low. C) An acid will not have a pOH. D) None of the above. Show Answer Correct Answer: A) Low, high. 2. Which macromolecule is primarily involved in long-term energy storage in cells? A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: C) Lipids. 3. What is nucleolus? A) It is the system of complex folded network of membranous tubes which connects nuclear membrane with the plasma membrane. B) A spherical body present at the center of the nucleus. C) None Of Above. D) None of the above. Show Answer Correct Answer: B) A spherical body present at the center of the nucleus. 4. Long, thin strands of material in the nucleus that is made of protein and DNA. A) Nuclear envelope. B) Chromosomes. C) Nuclear matrix. D) Chromatin. Show Answer Correct Answer: D) Chromatin. 5. What distinguishes a plant cell from an animal cell? (How do you tell them apart) Hint:There's 3 ways (Check all 3)answer choices A) Central Vacuole. B) Mitochondria. C) Cell Wall. D) Chloroplasts. E) Ribosomes. Show Answer Correct Answer: A) Central Vacuole. 6. Which of the Two Biologists Proposed the cell theory? A) John Abel and John Abelson. B) Arthur Adams and Julius Alder. C) Matthias Jakob Schleiden and Theodor Schwann. D) Harry Potter and Dumbledore. Show Answer Correct Answer: C) Matthias Jakob Schleiden and Theodor Schwann. 7. What is the main function of the mitochondria in a cell? A) Store genetic information. B) Produce energy. C) Control what enters and leaves the cell. D) Make proteins. Show Answer Correct Answer: B) Produce energy. 8. What role does the endoplasmic reticulum play in the endomembrane system? A) Detoxification of harmful substances. B) Protein and lipid synthesis. C) Energy production. D) Cellular digestion. Show Answer Correct Answer: B) Protein and lipid synthesis. 9. What is the role of the endoplasmic reticulum (ER) in the cell? A) To produce energy. B) To synthesize and transport proteins and lipids. C) To store calcium. D) To digest cellular waste. Show Answer Correct Answer: B) To synthesize and transport proteins and lipids. 10. Proteins are prepared for their specific jobs or functions by this organelle. * A) Golgi bodies. B) E.R. C) Mitochondria. D) Lysosomes. Show Answer Correct Answer: A) Golgi bodies. 11. What process do chloroplasts use to make food in the form of sugar? A) Cellular respiration. B) Fermentation. C) Photosynthesis. D) Osmosis. Show Answer Correct Answer: C) Photosynthesis. 12. The chemical reactions involved in respiration are virtually identical between prokaryotic and eukaryotic cells. In eukaryotic cells, ATP is synthesized primarily on the inner membrane of the mitochondria. Where are the corresponding reactions likely to occur in prokaryotic respiration? A) Cytoplasm. B) On the inner mitochondrial membrane. C) On the endoplasmic reticulum. D) On the inner plasma membrane. E) On the inner nuclear envelope. Show Answer Correct Answer: D) On the inner plasma membrane. 13. Helps in inheritance in living organisms A) Gene. B) Mene. C) Prokaryotes. D) Protoplasm. Show Answer Correct Answer: A) Gene. 14. Organelles are found in the ..... of a cell. A) Cell wall. B) Cytoplasm. C) Cell membrane. D) Mitochondria. Show Answer Correct Answer: B) Cytoplasm. 15. What is the jelly-like substance inside cells called? A) Nucleus. B) Cell wall. C) Vacuole. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 16. I am a double-membraned cell organelle. I produce energy-rich molecules called ATP. I have my own genetic material. Who am I? A) Mitochondrion. B) Nucleus. C) Plastid. D) Cell Membrane. Show Answer Correct Answer: A) Mitochondrion. 17. The jelly-like fluid that supports the organelles in place. A) Nucleus. B) Cell membrane. C) Chloroplast. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 18. These contain all the information needed by the cell? A) Chromosomes. B) Vacuoles. C) Genes. D) Lysosomes. Show Answer Correct Answer: C) Genes. 19. Brain is made up of which type of cells? A) Neuron. B) WBC. C) RBC. D) Pseudopodia. Show Answer Correct Answer: A) Neuron. 20. A structure of maze passageways that helps process many substances including proteins. A) Cell wall. B) Vacuole. C) Endoplasmic reticulum. D) Lysosomes. Show Answer Correct Answer: C) Endoplasmic reticulum. 21. What are the main differences between plant and animal cells? A) Plant cells have flagella for movement, while animal cells do not. B) Animal cells have a cell wall, chloroplasts, and a large central vacuole, while plant cells do not. C) Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells do not. D) Plant cells lack a nucleus, while animal cells have one. Show Answer Correct Answer: C) Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells do not. 22. "Small organs" of the cell that carry out specific functions A) Organelles. B) Organs. C) Tissues. D) Organisms. Show Answer Correct Answer: A) Organelles. 23. Chloroplasts are found in which type of cell? A) Plant. B) Animal. C) Photosynthesis. D) Cytoplasm. Show Answer Correct Answer: A) Plant. 24. This organelle directs cell activities, contains genetic information, and produces ribosomes. A) Cell Membrane. B) Cytoplasm. C) Nucleus. D) Rough ER. Show Answer Correct Answer: C) Nucleus. 25. Other name for cell membrane A) Plasma membrane. B) Cell wall. C) Nuclear membrane. D) None of the above. Show Answer Correct Answer: A) Plasma membrane. ← PreviousNext →Related QuizzesClass 8 Science Chapter 8 Cell Structure And Functions Quiz 1Class 8 Science Chapter 8 Cell Structure And Functions Quiz 2Class 8 Science Chapter 8 Cell Structure And Functions Quiz 3Class 8 Science Chapter 8 Cell Structure And Functions Quiz 4Class 8 Science Chapter 8 Cell Structure And Functions Quiz 5Class 8 Science Chapter 8 Cell Structure And Functions Quiz 7Class 8 Science Chapter 8 Cell Structure And Functions Quiz 8Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9Class 8 Science Chapter 8 Cell Structure And Functions Quiz 10Class 8 Science Chapter 8 Cell Structure And Functions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books