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 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell. A) Lysosomes. B) Cytoskeleton. C) Vacuoles. D) Ribosomes. Show Answer Correct Answer: A) Lysosomes. 2. Produces proteins in the cell. A) Golgi Apparatus. B) Ribosomes. C) Cytoplasm. D) Lysosomes. Show Answer Correct Answer: B) Ribosomes. 3. A student claims that both prokaryotic and eukaryotic cells have cell membranes. How could you support this claim using evidence? A) By showing that only eukaryotic cells have cell membranes. B) By providing examples of both cell types and identifying the cell membrane in each. C) By stating that prokaryotic cells lack membranes. D) By showing that only plant cells have cell membranes. Show Answer Correct Answer: B) By providing examples of both cell types and identifying the cell membrane in each. 4. Which organelle is responsible for lipid synthesis in the cell? A) Smooth ER. B) Rough ER. C) Golgi apparatus. D) Ribosomes. Show Answer Correct Answer: A) Smooth ER. 5. In Eukaryotic, eu means ..... and karyon means ..... A) False, Organelles. B) True, Nucleus. C) True, Nucleolus. D) Primitive, Nuclei. Show Answer Correct Answer: B) True, Nucleus. 6. A group of tissues form a/an A) Cell. B) Organ. C) Organ system. D) All the above. Show Answer Correct Answer: B) Organ. 7. What is the nucleus? A) Is the cell activity cordinator and manager. B) Is the distributor of the cell. C) Are the protein factories. D) Is the power generator of the cell. E) Is like the floor of the cell. Show Answer Correct Answer: A) Is the cell activity cordinator and manager. 8. It is a semifluid substance made primarily of water and organic compounds. A) Cell membrane. B) Cytoplasm. C) Nucleus. D) None of the above. Show Answer Correct Answer: B) Cytoplasm. 9. Small protein filaments in the cytoplasm that give shape and support to a cell A) Cell membrane. B) Cell wall. C) Vacuoles. D) Lysosomes. E) Cytoskeleton. Show Answer Correct Answer: E) Cytoskeleton. 10. What technology was used to develop cell theory? A) Microwaves. B) Telescopes. C) Microscopes. D) Antibiotics. Show Answer Correct Answer: C) Microscopes. 11. Design an experiment to demonstrate the process of diffusion using a simple setup. A) Use a microscope to observe cell division. B) Place a drop of food coloring in water and observe the spread. C) Measure the growth of a plant over time. D) Record the temperature change in a beaker of water. Show Answer Correct Answer: B) Place a drop of food coloring in water and observe the spread. 12. Why are ribosomes important for both prokaryotic and eukaryotic cells? A) They store genetic information. B) They transport materials. C) They produce energy. D) They synthesize proteins. Show Answer Correct Answer: D) They synthesize proteins. 13. A student is asked to explain why viruses are not considered living organisms. Which explanation is most accurate? A) Viruses cannot reproduce on their own. B) Viruses do not contain genetic material. C) Viruses are made of cells. D) Viruses have organelles. Show Answer Correct Answer: A) Viruses cannot reproduce on their own. 14. What do we call the inside of the cell? A) Cytoplasm. B) Cytoskeleton. C) Nucleus. D) Organelle. Show Answer Correct Answer: A) Cytoplasm. 15. Re small, round structures involved in the digestive activities of the cell. A) Lysosomes. B) Golgi complex. C) Mitochondria. D) None of the above. Show Answer Correct Answer: A) Lysosomes. 16. The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells releasing energy A) Cellular respiration. B) Cytokinesis. C) Fermentation. D) Photosynthesis. Show Answer Correct Answer: A) Cellular respiration. 17. Which of the following are capable of converting light energy to chemical energy? A) Leucoplasts. B) Chloroplasts. C) Golgi bodies. D) Peroxisomes. E) Mitochondria. Show Answer Correct Answer: B) Chloroplasts. 18. I am the tough exterior that protects cells and gives them their shape and rigid structure. I am absent in animal cells. A) Cell wall. B) Cell membrane. C) Cytoplasm. D) Mitochondria. Show Answer Correct Answer: A) Cell wall. 19. Which organelle would you expect to find in large numbers in a muscle cell, and why? A) Mitochondria, because muscle cells need lots of energy. B) Nucleus, because it stores DNA. C) Ribosomes, because they make proteins. D) Lysosomes, because they digest waste. Show Answer Correct Answer: A) Mitochondria, because muscle cells need lots of energy. 20. What is a Cell Membrane? A) The fill cell. B) The outer covering of a cell that lets somethings in and out, but not other. C) Store food and water. D) None of the above. Show Answer Correct Answer: B) The outer covering of a cell that lets somethings in and out, but not other. 21. Plant cells are green in colour, due to presence of A) Leucoplast. B) Chloroplast. C) Chromoplast. D) All of the above. Show Answer Correct Answer: B) Chloroplast. 22. What is the small dark structure in the nucleus that produces ribosomes? A) Smooth Endoplasmic reticulum. B) Nucleolus. C) Rough Endoplasmic reticulum. D) Chromatin. Show Answer Correct Answer: B) Nucleolus. 23. The cell organelle that modifies and packages material to be secreted is the A) Mitochondria. B) Nucleolus. C) Golgi apparatus. D) Ribosome. Show Answer Correct Answer: C) Golgi apparatus. 24. Which organelle contains digestive enzymes and helps break down cellular waste? A) Nucleus. B) Ribosome. C) Lysosome. D) Chloroplast. Show Answer Correct Answer: C) Lysosome. 25. An organism was described as being made up of a single cell containing a membrane-bound nucleus and membrane-bound organelles.Which of the following correctly identifies the organism being described? A) A multicellular eukaryote. B) A unicellular prokaryote. C) A unicellular eukaryote. D) A multicellular prokaryote. Show Answer Correct Answer: C) A unicellular eukaryote. 26. Which of the given organnale present in only animal cell A) Endoplasmic reticulum. B) Lysosome. C) Plastids. D) Ribosome. Show Answer Correct Answer: B) Lysosome. 27. Cell membrane allows the ..... A) Complete passage. B) Only lipids. C) Selective passage. D) Only proteins. Show Answer Correct Answer: C) Selective passage. 28. What does the term 'abnormal processes' refer to in the context of the text? A) Processes in non-living organisms. B) Processes occurring in healthy cells. C) Processes during diseased conditions. D) Normal physiological functions. Show Answer Correct Answer: C) Processes during diseased conditions. 29. Which of the following is true about prokaryotic cells? A) They have membrane-bound organelles. B) They have a complex internal structure. C) They lack a true nucleus. D) They are typically larger than eukaryotic cells. Show Answer Correct Answer: C) They lack a true nucleus. 30. Which of the following is a characteristic unique to plant cells? A) Presence of a cell membrane. B) Presence of a large central vacuole. C) Presence of ribosomes. D) Presence of mitochondria. Show Answer Correct Answer: B) Presence of a large central vacuole. 31. What is the function of a nucleus? A) Controls the activities within the cell; stores information (DNA). B) Protein-synthesis. C) Controls any metabolic chemical reactions. D) Contains DNA; cell respiration. Show Answer Correct Answer: A) Controls the activities within the cell; stores information (DNA). 32. Which among the words is not a part of the cell? A) Golgi Body. B) Aorta. C) Mitochondria. D) Endoplasmic Reticulum. Show Answer Correct Answer: B) Aorta. 33. A white blood cell is an example of ..... A) Single cell. B) Unicellular. C) Multicellular. D) None of the above. Show Answer Correct Answer: A) Single cell. 34. Cell wall surrounds the cell membrane A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. The ..... is like JELL-O, and is a gel-like fluid that fills plant and animal cells, and is where the organelles are found. A) Cytoplasm. B) Cell Membrane. C) Cell Wall. D) JELL-O. Show Answer Correct Answer: A) Cytoplasm. 36. All cells need energy to function. Which cell organelle is responsible for producing energy in the cell? A) Vacuoles. B) Mitochondria. C) Chloroplasts. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 37. Describe the process by which ribosomes contribute to protein synthesis. A) Ribosomes store proteins for later use. B) Ribosomes break down proteins into amino acids. C) Ribosomes assemble amino acids into proteins based on mRNA instructions. D) Ribosomes transport proteins out of the cell. Show Answer Correct Answer: C) Ribosomes assemble amino acids into proteins based on mRNA instructions. 38. This structure serves as the outer boundary of the eukaryotic cell. A) Cytoplasm. B) Nuclear membrane. C) Cell membrane. D) Flagella. Show Answer Correct Answer: C) Cell membrane. 39. What type of epithelial membrane secretes fluid? A) Cutaneous membrane. B) Mucous membrane. C) Serous membrane. D) Connective tissue membrane. Show Answer Correct Answer: C) Serous membrane. 40. Which is one of the main energy transformers of cells? A) Lysosome. B) Peroxisome. C) Mitochondria. D) Vacuole. E) Golgi apparatus. Show Answer Correct Answer: E) Golgi apparatus. 41. Which is the largest cell which measures 170mm x 130mm? A) Egg of a hen. B) Egg of a ostrich. C) Egg of a duck. D) None of the above. Show Answer Correct Answer: B) Egg of a ostrich. 42. All cells of living beings are the same in shape and size. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 43. Jelly-like substance A) Cytoplasm. B) Nucleus. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: A) Cytoplasm. 44. Which organelles contain DNA A) Nucleus and mitochondria. B) Mitochondria and lysosome. C) Nucleus and Golgi body. D) Lysosome and Golgi body. Show Answer Correct Answer: A) Nucleus and mitochondria. 45. What is the function of organelles within a cell? A) They are large structures that direct all of the cell's activities. B) They are tiny cell structures that carry out specific functions. C) They form the outside boundary of the cell. D) They store genetic information. Show Answer Correct Answer: B) They are tiny cell structures that carry out specific functions. 46. ..... celled organisms perform all the necessary functions that ..... organisms perform. A) Multicellular, single. B) Tissues, single. C) Single, multicellular. D) None of the above. Show Answer Correct Answer: C) Single, multicellular. 47. What is the function of the smooth endoplasmic reticulum? A) To store genetic material. B) To make proteins. C) To make lipids and detoxify the cell. D) To get rid of waste. Show Answer Correct Answer: C) To make lipids and detoxify the cell. 48. It serves as the control center of the cell A) Nuclei. B) Nucleus. C) Nucleolus. D) Nucleoid. Show Answer Correct Answer: B) Nucleus. 49. Rigid layer around plant cells that protects cell. A) Cell membrane. B) Cell wall. C) Chloroplast. D) Cytoplasm. Show Answer Correct Answer: B) Cell wall. 50. What type of biomolecule is found in the nucleus and codes for your genetics? A) Proteins. B) Lipids. C) Carbohyrdrates. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 51. Which of the following is not a postulate of cell theory? A) Cell is the basic unit of life. B) All cells develop from pre-existing cells. C) All living organisms are composed of cells. D) All living cells have cell walls. Show Answer Correct Answer: D) All living cells have cell walls. 52. Organisms composed of many cells are called A) Unicellular. B) Prokaryotic. C) Multicellular. D) None of the above. Show Answer Correct Answer: C) Multicellular. 53. Directs all the cell's activities. A) Chloroplasts. B) Mitochondria. C) Vacuole. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 54. Cell make up A, A makeup B, B makeup C, and finally up an organism . Name A, B, C A) A-Tissues B-OrgansC-organ system. B) A-organsB-TissuesC-organ system. C) A-Organ systemB-organC-tissues. D) None of the above. Show Answer Correct Answer: A) A-Tissues B-OrgansC-organ system. 55. Cell functions include A) Obtaining energy. B) Bringing in nutrients. C) Get rid of wastes. D) All of them. Show Answer Correct Answer: D) All of them. 56. Which type of epithelial tissue forms the outer layer of skin? A) Simple cuboidal epithelium. B) Simple columnar epithelium. C) Stratified squamous epithelium. D) Transitional epithelium. Show Answer Correct Answer: C) Stratified squamous epithelium. 57. What do vacuoles primarily store in plant cells? A) DNA. B) Proteins. C) Nutrients and water. D) Chlorophyll. Show Answer Correct Answer: C) Nutrients and water. 58. An organelle that captures energy from the sunlight in order to use it to produce food in plant cells is ..... A) Cytoplasm. B) Chloroplast. C) Chromatin. D) Cell Membrane. Show Answer Correct Answer: B) Chloroplast. 59. Acts like a gatekeeper-allowing some materials to pass through it, but not others. A) Plasma membrane. B) Vacuoles. C) Cytoplasm. D) Mitochondria. Show Answer Correct Answer: A) Plasma membrane. 60. Which process results in two genetically identical daughter cells? A) Meiosis. B) Mitosis. C) Cytokinesis. D) Binary fission. Show Answer Correct Answer: B) Mitosis. ← 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 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 6Class 8 Science Chapter 8 Cell Structure And Functions Quiz 7Class 8 Science Chapter 8 Cell Structure And Functions Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books