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 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organelle converts energy found in food into a form that cells can use? A) Ribosomes. B) Mitochondria. C) Nucleolus. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 2. What is the process during which a cell takes in a substance by surrounding it with the cell membrane? A) Exocytosis. B) Active Transport. C) Passive Transport. D) Endocytosis. Show Answer Correct Answer: D) Endocytosis. 3. What is the difference between a cell wall and a cell membrane? A) The cell wall is rigid and is outside the flexible cell membrane. B) The cell membrane is flexible and outside the rigid cell wall. C) The cell wall is flexible and is outside the rigid cell membrane. D) The cell membrane is rigid and inside the flexible cell wall. Show Answer Correct Answer: A) The cell wall is rigid and is outside the flexible cell membrane. 4. What organelles serves as a primary 'packaging' area for molecules that will be distributed throughout the cell? A) Cytoskeleton. B) Mitochondria. C) Golgi Body. D) Vacuole. Show Answer Correct Answer: C) Golgi Body. 5. Microfilaments are composed of A) Tubulin protein. B) Actin protein. C) Mosaic protein. D) Chitin protein. Show Answer Correct Answer: B) Actin protein. 6. All cells have ..... because all cells need proteins to function. Unlike most cell structures, ribosomes are not membrane bound. A) Ribosomes. B) Endoplasmic reticulum (ER). C) Mitochondria. D) None of the above. Show Answer Correct Answer: A) Ribosomes. 7. Which organelle is called as the post office of the cell? A) Mitochondria. B) Nucleus. C) Golgi Apparatus. D) Endoplasmic Reticulum. Show Answer Correct Answer: C) Golgi Apparatus. 8. This ribosome is engaged in protein synthesis in animal cell A) Ribosomes of only cytosol. B) Ribosomes which occur on nuclear membrane and ER. C) . Ribosomes of only mitochondria and cytosol. D) Ribosomes of only nucleolus and cytosol. Show Answer Correct Answer: B) Ribosomes which occur on nuclear membrane and ER. 9. What is the structure of the cell wall primarily made of in plants? A) Phospholipids. B) Cellulose. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Cellulose. 10. In a nerve cell, the function of the dendrites is to: A) Conduct impulses away from the cell body. B) Receive impulses and conduct them to the cell body. C) Increase the speed at which nerve impulses are carried away from the cell body. D) Support and nourish the neuron. Show Answer Correct Answer: B) Receive impulses and conduct them to the cell body. 11. Which part of the cell contains DNA and what is its primary function? A) Mitochondria; energy production. B) Cell membrane; protection. C) Ribosomes; protein synthesis. D) Nucleus; storing genetic information. Show Answer Correct Answer: D) Nucleus; storing genetic information. 12. What is the cytoplasm? A) The environment inside the plasma membrane. B) The powerhouse of the cell. C) The outermost layer of the cell. D) The site of ribosome production. Show Answer Correct Answer: A) The environment inside the plasma membrane. 13. Which of the following combinations are present in plant cell but not in animal cell A) Cell Wall & Plastid. B) Cell wall and Cell membrane. C) Plastid and Nucleus. D) Cell Membrane and Cytoplasm. Show Answer Correct Answer: A) Cell Wall & Plastid. 14. Which organelle would not be found in animal cells? A) Ribosome. B) Mitochondria. C) Chloroplast. D) Smooth ER. Show Answer Correct Answer: C) Chloroplast. 15. Which organelle is responsible for organising microtubules during cell division? A) Chloroplast. B) Lysosome. C) Centriole. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Centriole. 16. Plant and animal cells are identical. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. What is the term for the diffusion of water across a semipermeable membrane? A) Osmosis. B) Equilibrium. C) Transport. D) Isotonic. Show Answer Correct Answer: A) Osmosis. 18. I am found in plant cells. I am rigid, strong & stiff. I give support to the plant cell. I give the cell it's box shape A) Cell membrane. B) Cell wall. C) Chlorophyll. D) Mitochondria. Show Answer Correct Answer: B) Cell wall. 19. Organisms that are made of many cells are called ..... A) Plants. B) Multi-cellular organisms. C) Uni-cellular organisms. D) Bacteria. Show Answer Correct Answer: B) Multi-cellular organisms. 20. Gives plant cells firm regular shape. A) CHROMATIN. B) CELLWALL. C) VACUOLES. D) CHLOROPLAST. Show Answer Correct Answer: B) CELLWALL. 21. What is the role of chromosomes in a cell? A) To organize DNA. B) To control the nucleus. C) To produce glucose. D) To store energy. Show Answer Correct Answer: A) To organize DNA. 22. Robert Hooke discovered cell by observing ..... under the magnifying device. A) Slice of cork. B) Onion Peel. C) Drop of blood. D) Sample of pond water. Show Answer Correct Answer: A) Slice of cork. 23. Which structure provides support in plant cells? A) Cell membrane. B) Nucleus. C) Chloroplast. D) Cell wall. Show Answer Correct Answer: D) Cell wall. 24. Which of the following is a special vesicle that contains toxic chemicals that break down old cell parts and attack invading bacteria and viruses? A) Nucleolus. B) Lysosomes. C) Vacuoles. D) Ribosomes. Show Answer Correct Answer: B) Lysosomes. 25. Which part of the cell make proteins? A) Centrosomes. B) Ribosomes. C) Endoplasmic Reticulum. D) Lysosomes. Show Answer Correct Answer: B) Ribosomes. 26. Controls what enters and leaves the cell A) Mitochondria. B) Cell Membrane. C) Cell Wall. D) Nucleus. Show Answer Correct Answer: B) Cell Membrane. 27. Which of the following is found in plant cells but not in animal cells? A) Cell wall. B) Mitochondria. C) Ribosomes. D) Nucleus. Show Answer Correct Answer: A) Cell wall. 28. Which type of cell have definite shape A) Skin cells. B) Animal Cells. C) Plant Cells. D) Both Plants and Animal Cells. Show Answer Correct Answer: C) Plant Cells. 29. A group of cells that perform similar functions is called a (an) A) Organ. B) Organ system. C) Tissue. D) Division of labor. Show Answer Correct Answer: C) Tissue. 30. Plant and Animal Cells are A) Prokaryotic. B) Eukaryotic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Eukaryotic. 31. Which of the following is NOT a stage of mitosis? A) Prophase. B) Metaphase. C) Telophase. D) Interphase. Show Answer Correct Answer: D) Interphase. 32. Which of the following correctly describes the golgi body? A) Flattened stack of membranes that package proteins for exocytosis. B) Membranes that allow for the transport and creation of new proteins. C) Double-membrane structure with pores to allow transport in and out. D) Double-membrane structure with one internal folded membrane for energy production. Show Answer Correct Answer: A) Flattened stack of membranes that package proteins for exocytosis. 33. Who said that cells come from other cells? A) Hooke. B) Leeuwenhoek. C) Schlieden and Schwann. D) Virchow. Show Answer Correct Answer: D) Virchow. 34. Plant cells have a cell wall. A) T. B) F. C) All the above. D) None of the above. Show Answer Correct Answer: A) T. 35. Which of the following are NOT components of plasma membrane A) Cholestrol. B) Sclereid. C) Protein. D) Phospholipid. Show Answer Correct Answer: B) Sclereid. 36. Which of the following statements explains the role of proteins in cells? A) Proteins are the main source of energy for the cell. B) Proteins are involved in almost all cell functions, including structure, transport, and catalysis. C) Proteins store genetic information. D) Proteins are only found in the cell membraneTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) Proteins are involved in almost all cell functions, including structure, transport, and catalysis. 37. A typical animal cell is spherical in shape. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. Which of the following is a product of photosynthesis? A) Water. B) Carbon dioxide. C) Lactic acid. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 39. This organelle helps plants keep their rigid structure. A) Cell wall. B) Cell membrane. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: A) Cell wall. 40. Small finger like projections make from microtubules that move the cell or move materials around. A) Fingerlings. B) Lemmings. C) Cilla. D) Flagellum. Show Answer Correct Answer: C) Cilla. 41. All cells contain which of the following? A) Chloroplast. B) Plasma membrane. C) Centrosome. D) Nucleus. Show Answer Correct Answer: B) Plasma membrane. 42. Which organelle uses glucose to produce ATP (cellular energy)? A) Cytoplasm. B) Vacuole. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: C) Mitochondria. 43. A flexible covering around the cell that protects the inside of the cell from the outside environment. A) Cell wall. B) Mitochondria. C) Cell membrane. D) Ribosomes. Show Answer Correct Answer: C) Cell membrane. 44. Which scientist used a microscope to observe the first living cells? A) Robert Hooke. B) Anton van Leeuwenhoek. C) Charles Darwin. D) Louis Pasteur. Show Answer Correct Answer: B) Anton van Leeuwenhoek. 45. ..... is the powerhouse of the cell. A) Golgi bodies. B) Mitochondria. C) Lysosomes. D) Plastids. Show Answer Correct Answer: B) Mitochondria. 46. What does the text suggest about the relationship between cell structure and physiological processes? A) They are both irrelevant. B) They are unrelated. C) Cell structure influences physiological processes. D) Physiological processes determine cell structure. Show Answer Correct Answer: C) Cell structure influences physiological processes. 47. Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and substances that have been brought into the cell from the outside. A) Endoplasmic reticulum. B) Lysosome. C) Ribosome. D) Mitochondria. Show Answer Correct Answer: B) Lysosome. 48. Analyze the role of ribosomes in protein synthesis. A) Ribosomes store proteins for later use. B) Ribosomes break down proteins into amino acids. C) Ribosomes transport proteins out of the cell. D) Ribosomes are the site where proteins are synthesized. Show Answer Correct Answer: D) Ribosomes are the site where proteins are synthesized. 49. Stage of cellular respiration where glucose is broken down into smaller parts and some ATP is generated. A) Photosynthesis. B) Nitrogen fixation. C) Glycolysis. D) Bioremediation. E) Fermentation. Show Answer Correct Answer: C) Glycolysis. 50. Which of the following organelles is known as the 'powerhouse of the cell'? A) Ribosome. B) Chloroplast. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: C) Mitochondria. 51. Cell theory states that ..... A) All living cells must have a cell wall. B) All living cells require glucose for survival. C) The basic unit of life is a cell. D) Plants only have cells. Show Answer Correct Answer: C) The basic unit of life is a cell. 52. How does cells get energy? A) From the vacuole. B) The energy for cellular functions is produced by chemical reactions that occur in the mitochondria and chloroplast. C) From Golgi apparatus. D) From the endoplasmic reticulum. Show Answer Correct Answer: B) The energy for cellular functions is produced by chemical reactions that occur in the mitochondria and chloroplast. 53. The basic unit of life A) Cell wall. B) Nucleus. C) Cell membrane. D) Cell. Show Answer Correct Answer: D) Cell. 54. Where photosynthesis happens in a plant cell A) Cell wall. B) Chloroplast. C) Mitochondria. D) Cytoplasm. Show Answer Correct Answer: B) Chloroplast. 55. What is the relationship between mitochondria and ATP? A) Mitochondria break down ATP into glucose. B) Mitochondria use ATP to control cell activities. C) Mitochondria store ATP for future use. D) Mitochondria produce ATP through cellular respiration. Show Answer Correct Answer: D) Mitochondria produce ATP through cellular respiration. 56. What structure controls what enters and leaves the cell? A) Cell wall. B) Cell membrane. C) Nucleus. D) CytoplasmTagsVA.LS.2.b. Show Answer Correct Answer: B) Cell membrane. 57. Which of the following is the site of metabolism A) Nucleus. B) Endoplasmic reticulum. C) Cytoplasm. D) Mitochondria. Show Answer Correct Answer: C) Cytoplasm. 58. An organism whose cells contain a nucleus A) Organelle. B) Prokaryote. C) Eukaryote. D) Chromatin. Show Answer Correct Answer: C) Eukaryote. 59. What is the basic structural and functional unit of all living things? A) Human. B) Atom. C) Molecule. D) Cell. Show Answer Correct Answer: D) Cell. 60. ER with ribosomes looks ..... under the microscope. A) MITOCHONDRION. B) SMOOTH. C) PROTEIN. D) ROUGH. Show Answer Correct Answer: D) ROUGH. ← 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