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 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. A) Organelle. B) Cytoplasm. C) Cell Wall. D) Chromatin. Show Answer Correct Answer: C) Cell Wall. 2. Assertion (A):The Golgi apparatus is involved in the formation of secretory vesicles. Reason (R):Secretory vesicles transport materials out of the cell. A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Show Answer Correct Answer: A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. 3. Proteins are made hereEven though I'm quite smallYou can find me in the cytoplasmOr attached to the ER's wall A) Chloroplast. B) Endoplasmic Reticulum. C) Ribosome. D) None of the above. Show Answer Correct Answer: C) Ribosome. 4. What is the role of lysosomes in a cell? A) Protein synthesis. B) ATP production. C) Digestion of macromolecules. D) Storage of materials. Show Answer Correct Answer: C) Digestion of macromolecules. 5. Two-phase anabolic pathway in which the Sun's energy is converted to chemical energy for use by the cell. A) Adenosine Triphosphate. B) Photosynthesis. C) Metabolism. D) Cellular Respiration. Show Answer Correct Answer: B) Photosynthesis. 6. Which of the following organelles would one expect to be present in a cell responsible for producing lipids? A) Smooth endoplasmic reticulum. B) Lysosomes. C) Centrioles. D) Rough endoplasmic reticulum. Show Answer Correct Answer: A) Smooth endoplasmic reticulum. 7. This organelle is ONLY found in plant cells: A) Cytoplasm. B) Cell membrane. C) Nucleus. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 8. Directions-(Q.23-Q.30) Identify the organelle.7- "I am a small spherical body present in the nucleus and I am rich in RNA (Ribonucleic Acid)" A) Chromosomes. B) Nuclear Membrane. C) Nucleolus. D) Nucleoplasm. Show Answer Correct Answer: C) Nucleolus. 9. Which equation correctly represents aerobic cellular respiration? A) $6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2$. B) $C_6H_{12}O_6 \rightarrow 2C_2H_5OH + 2CO_2$. C) $C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy}$. D) $6O_2 + 6H_2O \rightarrow 6CO_2 + C_6H_{12}O_6$. Show Answer Correct Answer: C) $C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy}$. 10. Which organelle packages and distributes proteins within the cell? A) Endoplasmic reticulum. B) Vacuole. C) Golgi apparatus. D) Lysosome. Show Answer Correct Answer: C) Golgi apparatus. 11. What are the two important functions of a plant's cell wall? A) To absorb light energy and store valuable materials for the cell. B) To help the cell keep its shape and prevent it from bursting when placed in water. C) To store cell sap and controls what enters and leaves the cell. D) To help the cell maintain its shape and absorb light energy. Show Answer Correct Answer: B) To help the cell keep its shape and prevent it from bursting when placed in water. 12. What does the physico-chemical approach analyze in living tissues? A) Only the genetic material. B) Elements and compounds. C) Only the chemical composition. D) Only the physical structure. Show Answer Correct Answer: B) Elements and compounds. 13. This tissue makes up much of the interior of a plant and carries out basic metabolic functions. In stems, it provides support and may store food or water. In roots, it may also store food. A) Meristematic tissue. B) Vascular tissue. C) Dermal tissue. D) Ground tissue. Show Answer Correct Answer: D) Ground tissue. 14. BONUS QUESTION #3Which structure-function pair is mismatched? A) Lysosome; intracellular digestion. B) Microtubule; muscle contraction. C) Golgi; protein trafficking. D) Ribosome; protein synthesis. E) Nucleolus; production of ribosomal subunits. Show Answer Correct Answer: B) Microtubule; muscle contraction. 15. He fluid that lies between the cell membrane and the nucleus A) Cell membrane. B) Cytoplasm. C) Nucleus. D) None of the above. Show Answer Correct Answer: B) Cytoplasm. 16. When did Robert Hook discovered cells A) 1665. B) 1667. C) 1685. D) 1635. Show Answer Correct Answer: A) 1665. 17. Saclike structures that store materials such as water, salts, proteins, and carbohydrates. A) Organelles. B) Ribosomes. C) Nucleus. D) Vacuoles. Show Answer Correct Answer: D) Vacuoles. 18. Analyze how the structure of the phospholipid bilayer contributes to its function as a selective barrier. A) The hydrophilic heads face inward, allowing all substances to pass freely. B) The hydrophobic tails face outward, repelling all substances. C) The hydrophilic heads face outward and the hydrophobic tails face inward, allowing selective permeability. D) The bilayer is rigid, preventing any movement of substances.TagsDOK Level 3:Strategic Thinking. Show Answer Correct Answer: C) The hydrophilic heads face outward and the hydrophobic tails face inward, allowing selective permeability. 19. Jelly-like fluid found inside all cells. Holds all of the cell's organelles. Where all cell functions/activities take place. (a) A) A. Cytoplasm. B) Cell Membrane. C) Cell wall. D) Gelloplasm. Show Answer Correct Answer: A) A. Cytoplasm. 20. What is the function of the plasma membrane? A) To manufacture proteins. B) To store genetic material. C) To control what enters and leaves the cell. D) To produce energy for the cell. Show Answer Correct Answer: C) To control what enters and leaves the cell. 21. What role do ribosomes play in a cell? A) They synthesize proteins. B) They transport nutrients. C) They digest cellular waste. D) They store energy. Show Answer Correct Answer: A) They synthesize proteins. 22. Which of the following would be more prominent in a secretory cell than non-secretory cell? A) Ribosome. B) Mitochondria. C) Golgi complex. D) Lysosome. Show Answer Correct Answer: C) Golgi complex. 23. A large structure normally visible in the nucleus of a cell? A) Mitochondrion. B) Nucleolus. C) Endoplasmic reticulum. D) Lysosome. Show Answer Correct Answer: B) Nucleolus. 24. What is the focus of the physico-chemical approach in biology? A) Investigating living organisms. B) Studying only physical properties. C) Focusing on genetic studies. D) Analyzing non-living systems. Show Answer Correct Answer: A) Investigating living organisms. 25. Differentiate between animal and plant cell A) Animal cell don'thave cell wall, pllasma membrane, plasids but plant cell have. B) Animal cell don't have cell wall, chloroplast, cytoplasm but plant cell have. C) Animal cell don'thave cell wall, chloroplast but plant cell have. D) None of the above. Show Answer Correct Answer: C) Animal cell don'thave cell wall, chloroplast but plant cell have. 26. I which year did Robert Hooke discovered the cell? A) 1665. B) 1920. C) 1885. D) None of the above. Show Answer Correct Answer: A) 1665. 27. The division of the cytoplasm is called? A) G0. B) Anaphase. C) Mitosis. D) Cytokineses. Show Answer Correct Answer: D) Cytokineses. 28. William is working on a science project about cells. He wants to know which organelle is involved in the synthesis and modification of proteins. Can you help him? A) Ribosome. B) Mitochondria. C) Golgi apparatus. D) Cell nucleus. Show Answer Correct Answer: C) Golgi apparatus. 29. Assertion (A):Mitochondria play a role in apoptosis (programmed cell death). Reason (R):They release certain proteins that activate cell death pathways. A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Show Answer Correct Answer: A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. 30. Which of these is multicellular? A) Mushroom. B) Paramecium. C) Bacteria. D) Amoeba. Show Answer Correct Answer: D) Amoeba. 31. Which organelle stores genetic information? A) Chloroplasts. B) Nucleus. C) Ribosomes. D) Cell Membrane. Show Answer Correct Answer: B) Nucleus. 32. What is the function of the nucleolus in a eukaryotic cell? A) To regulate the cell cycle. B) To conduct photosynthesis. C) To produce ribosomal RNA. D) To store nutrients. Show Answer Correct Answer: C) To produce ribosomal RNA. 33. Noah has been infected with streptococcus bacteria. Which of the following best describes the infecting cells? A) These cells lack a nucleus. B) These cells contain numerous mitochondria. C) These cells contain extra thick plasma membranes for protection. D) These cells are equipped with specialized enzymes designed for dismantling cell walls. Show Answer Correct Answer: A) These cells lack a nucleus. 34. Which of the following is NOT a physiological process mentioned in the text? A) Excretion. B) Memory. C) Photosynthesis. D) Digestion. Show Answer Correct Answer: C) Photosynthesis. 35. Arjun is working in a laboratory where he observes scientists studying how cells make proteins. He notices that there are tiny packets made of RNA and protein that are responsible for assembling proteins. What are these packets called? A) Golgi Apparatus. B) Endoplasmic Reticulum. C) Ribosome. D) Mitochondria. Show Answer Correct Answer: C) Ribosome. 36. Aria is studying plant cells and wants to know the function of the vacuole in them. What is its primary function? A) Production of energy through photosynthesis. B) Transport of nutrients and water. C) Protection against pathogens and predators. D) Storage of water, nutrients, and waste products. Show Answer Correct Answer: D) Storage of water, nutrients, and waste products. 37. A sac like organelle that stores water, food, and other matter A) Vacuole. B) Lysosome. C) Cytoplasm. D) Cell wall. Show Answer Correct Answer: A) Vacuole. 38. Bacteria is a type of A) Prokaryotic Cell. B) Eukaryotic Cell. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryotic Cell. 39. What is the main function of ribosomes? A) To manufacture proteins. B) To store food and enzymes. C) To modify and package proteins. D) To produce energy. Show Answer Correct Answer: A) To manufacture proteins. 40. Which of the following processes is responsible for the movement of water across a cell membrane? A) Active transport. B) Endocytosis. C) Osmosis. D) Exocytosis. Show Answer Correct Answer: C) Osmosis. 41. Describe the function of the cell membrane. A) The cell membrane is responsible for protein synthesis. B) The cell membrane provides energy for cellular processes. C) The cell membrane regulates the movement of substances in and out of the cell. D) The cell membrane stores genetic information. Show Answer Correct Answer: C) The cell membrane regulates the movement of substances in and out of the cell. 42. What answer shows the proper pathway of protein transport from beginning to end. A) Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle, cell membrane. B) Secretory Vesicle, Nucleus, Rough ER, transport vesicle, Golgi Body, Cell Membrane. C) Cell Membrane, Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle. D) Rough ER, nucleus, cell membrane, secretory vesicle, transport vesicle, golgi body. Show Answer Correct Answer: A) Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle, cell membrane. 43. Which of these biologists put forward the cell theory of life? A) Mathias Schleiden & Theodor Schwann. B) Robert Hooke & Mathias Schleiden. C) Theodor Schwann & Robert Hooke. D) None of these. Show Answer Correct Answer: A) Mathias Schleiden & Theodor Schwann. 44. Who discovered the nucleus in the cell? A) Leeuwenhoek. B) Purkinjee. C) Schwann. D) Brown. Show Answer Correct Answer: D) Brown. 45. CELLS CAN BE OBSERVED IN THE LEAF PEEL OF A) CARROT. B) TOMATO. C) RHOEA. D) NONE OF THESE. Show Answer Correct Answer: C) RHOEA. 46. Function of the cell membrane to allow substances to flow freely through, in and out of the cell. A) Permeable. B) Impermeable. C) Semi-permeable. D) None of the above. Show Answer Correct Answer: A) Permeable. 47. The powerhouse of the cell is the ..... It converts energy from food into energy the cell can use A) Golgi body. B) Mitochondrion. C) Ribosomes. D) Nucleus. Show Answer Correct Answer: B) Mitochondrion. 48. Cholesterol is which type of macromolecule A) Lipid. B) Carbohydrate. C) Protein. D) Nucleic acid. Show Answer Correct Answer: A) Lipid. 49. Which organelle is responsible for detoxifying harmful substances in a cell? A) Endoplasmic reticulum. B) Golgi apparatus. C) Peroxisome. D) Lysosome. Show Answer Correct Answer: C) Peroxisome. 50. Which process occurs in the chloroplasts of plant cells? A) Protein synthesis. B) DNA replication. C) Photosynthesis. D) Cellular respiration. Show Answer Correct Answer: C) Photosynthesis. 51. A man has ..... no. of chromosomes A) 46. B) 78. C) 45. D) 32. Show Answer Correct Answer: A) 46. 52. Which best describes rough ER? A) Studded with ribosomes. B) Protected by vesicles. C) Stored in the vacuole. D) Connected to Golgi Apparatus. Show Answer Correct Answer: A) Studded with ribosomes. 53. Thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell A) Cell Wall. B) Cell Membrane. C) Nucleus. D) Golgi apparatus. Show Answer Correct Answer: B) Cell Membrane. 54. I provide the cell with protection and controls what comes in and out of the cell. A) Nucleus. B) Cell wall. C) Cell membrane. D) Mitochondria. Show Answer Correct Answer: C) Cell membrane. 55. A student is given a diagram of a cell and asked to identify the organelle responsible for storing water, nutrients, and waste. Which organelle should the student select? A) Ribosome. B) Nucleus. C) Vacuole. D) Mitochondria. Show Answer Correct Answer: C) Vacuole. 56. How does the nucleus contribute to the function of a cell? A) It provides structural support. B) It transports proteins. C) It breaks down waste materials. D) It regulates the cell's activities by controlling gene expression. Show Answer Correct Answer: D) It regulates the cell's activities by controlling gene expression. 57. Where are proteins made? A) Chromosomes. B) Golgi body. C) Mitoichondria. D) Ribosomes. Show Answer Correct Answer: D) Ribosomes. 58. Cells were first observed under a microscope by A) Robert Hooke. B) Anton van Leeuwenhoek. C) Rudolf Virchow. D) Theodor Schwann. Show Answer Correct Answer: A) Robert Hooke. 59. Empty structure in the Cytoplasm? A) Organelle. B) Membrane. C) Plastids. D) Vacuole. Show Answer Correct Answer: D) Vacuole. 60. Which device scientists use to study cells? A) Microscopes. B) Low magnification microscopes. C) High magnification microscopes. D) Magnification microscopes. Show Answer Correct Answer: C) High magnification microscopes. ← 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 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