This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Cell Structure And Functions > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which type of cytosis involves the engulfing of large particles or cells? A) Pinocytosis. B) Phagocytosis. C) Exocytosis. D) Receptor-mediated endocytosisTagsDOK Level 1:Recall. Show Answer Correct Answer: B) Phagocytosis. 2. Nora is studying plant cells and wonders about the function of vacuoles in them. What is the primary function of vacuoles in plant cells? A) Regulating molecular transport. B) Synthesizing proteins. C) Generating energy. D) Storing nutrients and waste materials. Show Answer Correct Answer: D) Storing nutrients and waste materials. 3. Lack membrane-bound organelles A) Prokaryotic cells. B) Eukaryotic cells. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryotic cells. 4. What is the main function of the cell wall? A) To support and protect the cell. B) To make and store DNA. C) To direct the activities of the cell. D) To help the cell move. Show Answer Correct Answer: A) To support and protect the cell. 5. What do you use to focus the low power objective? A) Body tube. B) Coarse adjustment knob. C) Fine adjustment knob. D) Eyepiece. Show Answer Correct Answer: B) Coarse adjustment knob. 6. 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. 7. Which macromolecule is primarily involved in long-term energy storage in cells? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 8. 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. 9. Long, thin strands of material in the nucleus that is made of protein and DNA. A) Nuclear matrix. B) Chromatin. C) Nuclear envelope. D) Chromosomes. Show Answer Correct Answer: B) Chromatin. 10. 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. 11. 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. 12. 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. 13. 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. 14. 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. 15. Proteins are prepared for their specific jobs or functions by this organelle. * A) Mitochondria. B) Golgi bodies. C) E.R. D) Lysosomes. Show Answer Correct Answer: B) Golgi bodies. 16. What process do chloroplasts use to make food in the form of sugar? A) Photosynthesis. B) Fermentation. C) Osmosis. D) Cellular respiration. Show Answer Correct Answer: A) Photosynthesis. 17. 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) On the endoplasmic reticulum. B) Cytoplasm. C) On the inner mitochondrial membrane. D) On the inner nuclear envelope. E) On the inner plasma membrane. Show Answer Correct Answer: E) On the inner plasma membrane. 18. Helps in inheritance in living organisms A) Prokaryotes. B) Mene. C) Protoplasm. D) Gene. Show Answer Correct Answer: D) Gene. 19. Organelles are found in the ..... of a cell. A) Cell wall. B) Cytoplasm. C) Cell membrane. D) Mitochondria. Show Answer Correct Answer: B) Cytoplasm. 20. What is the jelly-like substance inside cells called? A) Nucleus. B) Cell wall. C) Vacuole. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 21. I am a double-membraned cell organelle. I produce energy-rich molecules called ATP. I have my own genetic material. Who am I? A) Plastid. B) Mitochondrion. C) Cell Membrane. D) Nucleus. Show Answer Correct Answer: B) Mitochondrion. 22. The jelly-like fluid that supports the organelles in place. A) Cell membrane. B) Nucleus. C) Chloroplast. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 23. These contain all the information needed by the cell? A) Genes. B) Vacuoles. C) Lysosomes. D) Chromosomes. Show Answer Correct Answer: A) Genes. 24. Brain is made up of which type of cells? A) RBC. B) Neuron. C) WBC. D) Pseudopodia. Show Answer Correct Answer: B) Neuron. 25. 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. 26. 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. 27. "Small organs" of the cell that carry out specific functions A) Organisms. B) Organs. C) Organelles. D) Tissues. Show Answer Correct Answer: C) Organelles. 28. Chloroplasts are found in which type of cell? A) Plant. B) Animal. C) Photosynthesis. D) Cytoplasm. Show Answer Correct Answer: A) Plant. 29. This organelle directs cell activities, contains genetic information, and produces ribosomes. A) Cell Membrane. B) Nucleus. C) Cytoplasm. D) Rough ER. Show Answer Correct Answer: B) Nucleus. 30. 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. 31. What is the primary function of the nucleus in a cell? A) It produces energy for the cell. B) It synthesizes lipids. C) It stores and protects the cell's genetic material. D) It transports materials within the cell. Show Answer Correct Answer: C) It stores and protects the cell's genetic material. 32. Plants and animal cells are examples of ..... cells A) Prokaryotic cells. B) Eukaryotic cells. C) All the above. D) None of the above. Show Answer Correct Answer: B) Eukaryotic cells. 33. Transforms chemical energy from food into useful energy A) Chloroplasts. B) Lysosomes. C) Mitochondria. D) Cilia. Show Answer Correct Answer: C) Mitochondria. 34. Which organelle is responsible for packaging and modifying proteins for transport? A) Lysosome. B) Endoplasmic reticulum. C) Golgi apparatus. D) Chloroplast. Show Answer Correct Answer: C) Golgi apparatus. 35. Which of the following best describes the function of the nucleolus? A) It controls cell division. B) It produces ribosomal RNA and assembles ribosomes. C) It stores nutrients. D) It breaks down waste. Show Answer Correct Answer: B) It produces ribosomal RNA and assembles ribosomes. 36. This organelle directs all of the cell's activities and contains genetic information. A) Cytopolasm. B) Golgi Body. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: C) Nucleus. 37. The Cell Theory states ..... A) All living things are made of cells. B) The cell is the basic unit of life. C) Cells are produced from other cells. D) All of the above. Show Answer Correct Answer: D) All of the above. 38. What is the process by which material is taken into the cell by infoldings of the cell membrane? A) Exocytosis. B) Diffusion. C) Osmosis. D) Endocytosis. Show Answer Correct Answer: D) Endocytosis. 39. What is the function of the Golgi apparatus in a cell? A) It produces ATP. B) It modifies and packages proteins. C) It stores genetic material. D) It breaks down fatty acids. Show Answer Correct Answer: B) It modifies and packages proteins. 40. What is the primary function of nerve tissue? A) Support and protection. B) Transmission of electrical impulses. C) Storage of nutrients. D) Movement. Show Answer Correct Answer: B) Transmission of electrical impulses. 41. Which of the following contains its own DNA and ribosomes? A) Golgi body. B) Mitochondria. C) Peroxisome. D) Lysosome. E) Vacuole. Show Answer Correct Answer: A) Golgi body. 42. Two types of chromosomes are A) X chromosomes and Y chormosomes. B) A and E chromosome. C) Both option A and B. D) None of the above. Show Answer Correct Answer: A) X chromosomes and Y chormosomes. 43. The study of cell is called A) Cytology. B) Histology. C) Microbiology. D) None of these. Show Answer Correct Answer: A) Cytology. 44. What is the function of the nucleolus? A) DNA replication. B) Ribosome production. C) Lipid synthesis. D) Protein synthesis. Show Answer Correct Answer: B) Ribosome production. 45. What is the primary role of cilia in cells? A) To store energy. B) To synthesise DNA. C) To move fluid, mucus, or cells over their surface. D) To produce proteins. Show Answer Correct Answer: C) To move fluid, mucus, or cells over their surface. 46. The power house of a cell is A) Nucleus. B) Mitochondria. C) Chloroplast. D) Golgi bodies. Show Answer Correct Answer: B) Mitochondria. 47. Which of the following options identifies in the correct order the function of mitochondria, chloroplasts and ribosomes? A) Cellular respiration; photosynthesis; produce polypeptides. B) Photosynthesis; cellular respiration; produce polypeptides. C) Produce polypeptides; photosynthesis; cellular respiration. D) Cellular respiration; produce polypeptides; photosynthesis. Show Answer Correct Answer: A) Cellular respiration; photosynthesis; produce polypeptides. 48. An organism made of only one cell is called ..... A) Monocellular. B) Unicellular. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unicellular. 49. Which of the following organelles are part of the endomembrane system? A) Mitochondrion and ribosome. B) Golgi apparatus and lysosome. C) Peroxisome and mitochondrion. D) Ribosome and chloroplast. Show Answer Correct Answer: B) Golgi apparatus and lysosome. 50. Which of the following is a compartment that often takes up much of the volume of a plant cell? A) Vacuole. B) Lysosome. C) Golgi apparatus. D) Mitochondrion. E) Peroxisome. Show Answer Correct Answer: A) Vacuole. 51. The control center or brain of the cell is the: A) Golgi complex. B) Mitochondria. C) Nucleus. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Nucleus. 52. The series of events in which a cell grows, prepares for division, and divides to form two daughter cells A) Cell cycle. B) Cytokinesis. C) Interphase. D) Mitosis. Show Answer Correct Answer: A) Cell cycle. 53. Which structure is known as the powerhouse of the cell? A) Nucleus. B) Cell wall. C) Mitochondria. D) Chloroplasts. Show Answer Correct Answer: C) Mitochondria. 54. The thread like structures present in Nucleus A) Chromosomes. B) Ribosomes. C) Rough Endoplasmic Reticulum. D) None of the above. Show Answer Correct Answer: A) Chromosomes. 55. The empty blank looking structures in the cytoplasm are A) Plastids. B) Vacuoles. C) Nucleus. D) Plasma membrane. Show Answer Correct Answer: B) Vacuoles. 56. Which organelle is called the "powerhouse of the cell" ? A) Nucleus. B) Cytoplasm. C) Mitochondrion. D) None of the above. Show Answer Correct Answer: C) Mitochondrion. 57. What is the function of the cytoplasm in a cell? A) It stores genetic information. B) It provides a medium for the organelles to carry out their functions. C) It helps in cell movement. D) It regulates the entry and exit of substances. Show Answer Correct Answer: B) It provides a medium for the organelles to carry out their functions. 58. Who was the first person to see cells under the microscope and give them their name? A) Mattias Schleiden. B) Robert Hooke. C) Theordor Schwann. D) Anton van Leeuwenhoek. Show Answer Correct Answer: B) Robert Hooke. 59. If a cell's mitochondria are not functioning properly, which process will be directly affected? A) Energy production. B) Protein synthesis. C) Photosynthesis. D) Cell division. Show Answer Correct Answer: A) Energy production. 60. The process by which cells release energy by breaking down food molecules without using oxygen A) Fermentation. B) Cytokinesis. C) Cellular respiration. D) Photosynthesis. Show Answer Correct Answer: A) Fermentation. ← PreviousNext →Related QuizzesScience QuizzesClass 8 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 4Class 8 Science Chapter 8 Cell Structure And Functions Quiz 5Class 8 Science Chapter 8 Cell Structure And Functions Quiz 6Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books