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 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cellular totipotency means A) To undergo mitotic divisions abd form a callus. B) Capacity of living nucleated cells to regenerate any part or whole organism. C) To survive in an artificial growth medium. D) To cause natural death to an organism. Show Answer Correct Answer: B) Capacity of living nucleated cells to regenerate any part or whole organism. 2. Double layered membrane that surrounds the nucleus A) Cell wall. B) Nuclear envelope. C) Nucleolus membrane. D) Nucleoid envelop. Show Answer Correct Answer: B) Nuclear envelope. 3. Which statement best compares eukaryotic cells and prokaryotic cells? A) Eukaryotic cells are smaller than prokaryotic cells. B) Prokaryotic cells are more complex than eukaryotic cells. C) Prokaryotic cells contain a distinct central organelle, and eukaryotic cells do not. D) Eukaryotic cells contain membrane-bound organelles, and prokaryotic cells do not. Show Answer Correct Answer: D) Eukaryotic cells contain membrane-bound organelles, and prokaryotic cells do not. 4. What is the difference between Prokaryotic and Eukaryotic Cell? A) Prokaryotes don't have DNA. B) Only Prokaryotes have cytoplasm. C) Only Eukaryotes have Cell Membrane. D) Eukaryotes have membrane bound cell organelles. Show Answer Correct Answer: D) Eukaryotes have membrane bound cell organelles. 5. A threadlike structure within a cell's nucleus that contains DNA that is passes from one generation to the next. A) Spindle fiber. B) Chromosome. C) Centomere. D) Centriole. Show Answer Correct Answer: B) Chromosome. 6. I am present only in Eukaryotic cells and I house the DNA. Who am I? A) Nucleus. B) Golgi Apparatus. C) Ribosome. D) Cytoplasm. Show Answer Correct Answer: A) Nucleus. 7. Which of the following is not true about the nucleus? A) Powerhouse of the cell. B) Found in both animal and plant cell. C) Controls the activity of the cell. D) It is where DNA is stored. Show Answer Correct Answer: A) Powerhouse of the cell. 8. Chromosomes are found in A) Nucleolus. B) Nucleoplast. C) Vacuole. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 9. Which of the following is NOT one of the 4 organelles that all prokaryotes and eukaryotes have in common? A) Plasma Membrane. B) Genetic Material. C) Ribosomes. D) Cell Wall. Show Answer Correct Answer: D) Cell Wall. 10. Hannah is visiting a science museum with her class. She reads an exhibit that explains a fundamental idea about living things. Which statement is part of the cell theory? A) All living organisms are made of cells. B) All cells contain DNA that they pass on to daughter cells. C) All cells depend on their surroundings to provide energy. D) All cells have a nucleus. Show Answer Correct Answer: A) All living organisms are made of cells. 11. Found in plant cells but not in animal cells and provides protection A) Cell Membrane. B) Nucleus. C) Mitochondria. D) Cell Wall. Show Answer Correct Answer: D) Cell Wall. 12. Which organelle is responsible for producing energy for the cell? A) Ribosomes. B) Nucleus. C) Endoplasmic reticulum. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 13. What is another term for "selectively permeable" ? A) Acts like a switch. B) Semipermeable. C) Porous. D) Permanent. Show Answer Correct Answer: B) Semipermeable. 14. This structure is designed to construct new proteins from amino acids. A) Ribosomes. B) Mitochondria. C) Golgi Body. D) Lysosomes. Show Answer Correct Answer: A) Ribosomes. 15. What part of the cell controls its activities and contains DNA? A) Vacuole. B) Cytoplasm. C) Cell wall. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 16. This organelle moves materials throughout the cell. A) FedEx. B) Ribosomes. C) Golgi Complex. D) Endoplasmic Reticulum. Show Answer Correct Answer: D) Endoplasmic Reticulum. 17. TRUE OR FALSE:The Mitochondria produces energy for plant and animal cells. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 18. Thick, rigid layer that surrounds the plant cell and provides support and structure. A) Cell wall. B) Chloroplast. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: A) Cell wall. 19. Which process is necessary for the growth and repair of multicellular organisms? A) Cell division. B) Excretion. C) Photosynthesis. D) Cellular respiration. Show Answer Correct Answer: A) Cell division. 20. Which part of the cell is responsible for maintaining its shape and protecting it from external damage? A) Cell Membrane. B) Cytoplasm. C) Cell Wall. D) Nucleus. Show Answer Correct Answer: C) Cell Wall. 21. Plant cells have organelles called ..... present in the cytoplasm? A) Tissue. B) Flagella. C) Cilia. D) Plastids. Show Answer Correct Answer: D) Plastids. 22. Contains chlorophyll and is where photosynthesis takes place. Found in plant cells only. A) Mitochondria. B) Chloroplast. C) Vacuole. D) Cytoplasm. Show Answer Correct Answer: B) Chloroplast. 23. Plants make their own food through a process called what? A) Photosynthesis. B) ATP. C) Chlorophyll. D) Structure and support. Show Answer Correct Answer: A) Photosynthesis. 24. ..... requires the use of a cell's energy because materials are being moved from an area of lower concentration to an area of higher concentration. A) Osmosis. B) Passive transport. C) Diffusion. D) Active transport. Show Answer Correct Answer: D) Active transport. 25. Container A contains a 10% salt solution and container B a 20% salt solution. If the two solutions were connected, the net movement of water by diffusion would be from ..... to ..... and the net movement of the salt by diffusion would be from ..... to ..... A) A, B, B, A. B) B, A, B, A. C) B, A, A, B. D) A, B, A, B. Show Answer Correct Answer: A) A, B, B, A. 26. Which statement about cells is false? A) Cells are the smallest units that can carry out life processes. B) All organisms are made up of one or more cells. C) Cells are the basic units of structure and function of living things. D) The cells of all organisms are just alike. Show Answer Correct Answer: D) The cells of all organisms are just alike. 27. How many cells are their in shape A) 5. B) 4. C) 2. D) 3. Show Answer Correct Answer: D) 3. 28. The shape of amoeba is: A) Round. B) Regular. C) Irregular. D) None of these. Show Answer Correct Answer: C) Irregular. 29. Organelles where photosynthesis occurs, are green due to chlorophyll pigment found in them. A) Chloroplasts. B) Cell Wall. C) Cell Membrane. D) Cytoplasm. Show Answer Correct Answer: A) Chloroplasts. 30. Which of the following is the largest cell? A) Ostrich egg. B) Hen egg. C) Human cheek. D) Plant cell. Show Answer Correct Answer: A) Ostrich egg. 31. Which type of cell has a nucleus and membrane-bound organelles? A) Plant cells. B) Eukaryotic cells. C) Prokaryotic cells. D) Bacterial cells. Show Answer Correct Answer: B) Eukaryotic cells. 32. What is the function of ribosomes in a cell? A) They produce proteins. B) They store energy. C) They direct cell activities. D) They form the cell boundary. Show Answer Correct Answer: A) They produce proteins. 33. Which organelle is directly involved in the synthesis of proteins? A) Nucleus. B) Mitochondria. C) Vacuole. D) Ribosome. Show Answer Correct Answer: D) Ribosome. 34. Encloses the cell, it acts like a gatekeeper, allowing some materials to pass through it but not others. A) Chloroplasts. B) Cell Wall. C) Cell Membrane. D) Cytoplasm. Show Answer Correct Answer: C) Cell Membrane. 35. Plant cells have centrioles. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 36. What does the vacuole do in plant cells? A) Stores water, food, and waste. B) Carries materials throughout the cell. C) Makes proteins for the cell. D) Does photosynthesis. Show Answer Correct Answer: A) Stores water, food, and waste. 37. Which of the following contains pigments that absorb light energy. A) Nucleus. B) Vacuole. C) Mitochondrian. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 38. Provides structure and support A) Animal cell membrane. B) Plant cell wall. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: B) Plant cell wall. 39. Cell was invented in the year A) 1765. B) 1665. C) 1865. D) 1565. Show Answer Correct Answer: B) 1665. 40. Gel-like substance where work happens within the cell A) Chloroplasts. B) Cytoplasm. C) DNA. D) Mitochondria. Show Answer Correct Answer: B) Cytoplasm. 41. What is the main function of ribosomes in a cell? A) To produce energy. B) To transport substances. C) To store genetic material. D) To synthesize proteins. Show Answer Correct Answer: D) To synthesize proteins. 42. What are the small structures inside of cells that carry out specific functions called? A) Organelles. B) Tissues. C) Organs. D) Animalcules. Show Answer Correct Answer: A) Organelles. 43. A scientist observes a cell with no nucleus under a microscope. Which type of cell is it most likely to be? A) Animal cell. B) Prokaryotic cell. C) Fungal cell. D) Plant cell. Show Answer Correct Answer: B) Prokaryotic cell. 44. Which of the following statements is true about facilitated diffusion? A) It does not require a carrier molecule. B) It requires the expenditure of energy (ATP) M. C) It moves materials through membrane channels. D) Net movements is with the concentration gradient. Show Answer Correct Answer: D) Net movements is with the concentration gradient. 45. Assertion (A):The cell membrane is fluid in nature. Reason (R):The phospholipids and proteins can move laterally within the layer. 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. 46. A student observes a cell under a microscope and sees a cell wall, chloroplasts, and a large central vacuole. What type of cell is the student most likely observing? A) Fungal cell. B) Bacterial cell. C) Animal cell. D) Plant cell. Show Answer Correct Answer: D) Plant cell. 47. Microfilaments are well known for their role in which of the following? A) Ameboid movement. B) Formation of cleavage furrows. C) Contracting of muscle cells. D) Option 1 & 2 only. E) Option 1, 2, and 3. Show Answer Correct Answer: E) Option 1, 2, and 3. 48. What is the difference between prokaryotic and eukaryotic cells? A) Prokaryotic cells can be multicellular; eukaryotic cells are unicellular. B) Prokaryotic cells do not have a nucleus or membrane-bound organelles; eukaryotic cells do. C) Eukaryotic cells are always smaller than prokaryotic cells. D) Prokaryotic cells have a nucleus; eukaryotic cells do not. Show Answer Correct Answer: B) Prokaryotic cells do not have a nucleus or membrane-bound organelles; eukaryotic cells do. 49. ..... consists of phospholipids and embedded proteins. It is selectively permeable and regulates what enters and leaves the cell. A) Nucleus. B) Mitochondria. C) Golgi Body. D) Cell Membrane. Show Answer Correct Answer: D) Cell Membrane. 50. This is a structure inside the nucleus where ribosomes are assembled before they are sent out to the cytoplasm to make proteins. A) Nucleolus. B) Nucleus. C) Vacuoles. D) Vesicules. Show Answer Correct Answer: A) Nucleolus. 51. WHICH IS THE CELL WHICH HAS SPINDLE SHAPE A) MUSCLE CELL. B) RED BLOOD CELLS. C) NERVE CELL. D) WHITE BLOOD CELLS. Show Answer Correct Answer: A) MUSCLE CELL. 52. Define the endomembrane system. A) A system of interconnected organelles that work together to modify, package, and transport lipids and proteins within the cell. B) A network of ribosomes responsible for protein synthesis. C) A collection of mitochondria involved in energy production. D) A series of lysosomes involved in cellular digestion. Show Answer Correct Answer: A) A system of interconnected organelles that work together to modify, package, and transport lipids and proteins within the cell. 53. A researcher finds a cell that contains both a nucleus and mitochondria. What can the researcher conclude about this cell, and why? A) It is a prokaryotic cell, because it has a nucleus. B) It is a eukaryotic cell, because only eukaryotic cells have a nucleus and mitochondria. C) It is a plant cell, because it has mitochondria. D) It is a bacterial cell, because it has a nucleus. Show Answer Correct Answer: B) It is a eukaryotic cell, because only eukaryotic cells have a nucleus and mitochondria. 54. The process by which new cells are formed is known as ..... A) Nucleolisation. B) Daughtering of cells. C) Cell growth. D) Cell division. Show Answer Correct Answer: D) Cell division. 55. What is the basic unit of life? A) Tissue. B) Cell. C) Organism. D) Organ. Show Answer Correct Answer: B) Cell. 56. How does the structure of the cell membrane help it perform its function? A) Its rigid structure allows it to protect the cell. B) Its flexible, semi-permeable nature allows it to control what enters and leaves the cell. C) Its thick walls prevent all substances from entering. D) Its solid structure allows for energy production. Show Answer Correct Answer: B) Its flexible, semi-permeable nature allows it to control what enters and leaves the cell. 57. Which cell structure is found in plant and animals cells and controls what can come into or leave a cell? A) Nucleus. B) Cell membrane. C) Vacuole. D) Cytoplasm. Show Answer Correct Answer: B) Cell membrane. 58. As a result of cell metabolism A) ATP molecules are produced by aerobic or anaerobic respiration. B) The oxygen we breathe in is used to form water. C) The carbon atoms of food molecules are used to produce carbon dioxide. D) All of the above. Show Answer Correct Answer: D) All of the above. 59. Which of the following is absent in animal cells? A) Cell Membrane. B) Cell Wall. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: B) Cell Wall. 60. The organelles that clean plant and animal cells by using chemicals to break down food and worn out cell parts are ..... A) Lysosomes. B) Mitochondria. C) Nucleolus. D) Cell Wall. Show Answer Correct Answer: A) Lysosomes. ← 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 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 8Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books