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 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT a function of the cell membrane? A) Providing structural support. B) Regulating entry and exit of materials. C) Cell communication. D) DNA storage. Show Answer Correct Answer: D) DNA storage. 2. It controls exchange of substances between the cell & its external environment A) Cell wall. B) Cell membrane. C) Endoplasmic reticulum. D) Cytoplasm. Show Answer Correct Answer: B) Cell membrane. 3. Site of protein manufacture. A) CYTOPLASM. B) ENDOPLASMIC RETICULUM. C) MEMBRANE. D) RIBOSOMES. Show Answer Correct Answer: D) RIBOSOMES. 4. Which process is described as tuning food into energy? A) Respiration. B) Growth. C) Nutrition. D) Excretion. Show Answer Correct Answer: A) Respiration. 5. The hollow tubes of protein that helps maintain the shape of the cells are called A) Microfilaments. B) Mitochondrion. C) Microtubules. D) Ribosomes. Show Answer Correct Answer: C) Microtubules. 6. The main difference between prokaryotic and eukaryotic cells? A) Prokaryotic cells have a cell membrane but eukaryotic cells do not. B) Prokaryotic cells contain membrane-bound ribosomes while eukaryotic cells do not. C) Eukaryotic cells contain DNA in a nucleus while prokaryotic cells do not. D) Eukaryotic cells have flagella but prokaryotic cells do not. Show Answer Correct Answer: C) Eukaryotic cells contain DNA in a nucleus while prokaryotic cells do not. 7. The kitchen of the cell is A) Cell wall. B) Plasma membrane. C) Nucleus. D) Plastids. Show Answer Correct Answer: D) Plastids. 8. An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food A) Heterotroph. B) Autotroph. C) Consumer. D) Herbivore. Show Answer Correct Answer: B) Autotroph. 9. Cells are stained to A) Make the cell turgid. B) Highlight the cell organelles. C) Nourish the cell. D) Help in cell multiplication. Show Answer Correct Answer: B) Highlight the cell organelles. 10. What is the main function of the cytoplasm? A) It holds the cell's organelles and helps circulate nutrients throughout the cell. B) It help with photosynthesis. C) It holds the genetic material for the cell. D) It recycles waste for the cell. Show Answer Correct Answer: A) It holds the cell's organelles and helps circulate nutrients throughout the cell. 11. When an animal cell is put in water A) It absorbs water and swells. B) It absorbs water, swells and bursts. C) Does not burst only swells. D) None. Show Answer Correct Answer: B) It absorbs water, swells and bursts. 12. Who coined the word cell? A) Robert Hooke. B) Robert Koch. C) Schwan. D) Robertson. Show Answer Correct Answer: A) Robert Hooke. 13. What are the basic building blocks of all organisms? A) Bones. B) Organs. C) Muscles. D) Cells. Show Answer Correct Answer: D) Cells. 14. "Mail men, " small membrane bound sacs that transport materials around cell and to cell membrane A) Vesicles. B) Golgi apparatus. C) Endoplasmic reticulum. D) Lipid bilayer. Show Answer Correct Answer: A) Vesicles. 15. Which of the following best explains why plant cells have chloroplasts but animal cells do not? A) Plant cells need to make their own food using sunlight. B) Animal cells need more energy than plant cells. C) Plant cells do not have a nucleus. D) Animal cells have a cell wall. Show Answer Correct Answer: A) Plant cells need to make their own food using sunlight. 16. How does the presence of chloroplasts in plant cells affect their function compared to animal cells? A) Chloroplasts allow plant cells to perform photosynthesis, producing their own food. B) Chloroplasts store water for the plant cell. C) Chloroplasts provide structural support to the plant cell. D) Chloroplasts are involved in protein synthesis. Show Answer Correct Answer: A) Chloroplasts allow plant cells to perform photosynthesis, producing their own food. 17. A scientist observes that a certain cell can survive in the absence of oxygen. Which organelle is this cell most likely lacking? A) Mitochondria. B) Golgi apparatus. C) Ribosome. D) Nucleus. Show Answer Correct Answer: A) Mitochondria. 18. Which structure directs cell activity and contains genetic infomation in DNA? A) Endoplasmic Reticulum. B) Protein. C) Nucleus. D) Nucletoide. Show Answer Correct Answer: C) Nucleus. 19. What is the jelly-like substance filling the cell called? A) Nucleus. B) Cytoplasm. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: B) Cytoplasm. 20. Which organelles are unique to plant cells? A) Centrosomes. B) Vacuoles. C) Ribosomes. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 21. Cell was first observed by: A) Robert Brown. B) Robert Hooke. C) Antony van Leeuwenhoek. D) None of these. Show Answer Correct Answer: B) Robert Hooke. 22. Which organelle is the site of photosynthesis in plant cells? A) Ribosome. B) Mitochondrion. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 23. How did the invention of the microscope help scientists come up with the cell theory? A) Microscopes helped scientists see people's germs. B) Microscopes helped scientists see cells and cell structures. C) Microscopes helped. D) Microscopes. Show Answer Correct Answer: B) Microscopes helped scientists see cells and cell structures. 24. What is the BRAIN of the cell and contains DNA? A) Nucleus. B) Vacuole. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: A) Nucleus. 25. Structures that contain digestive enzymes A) Peroxisomes. B) Chromosomes. C) Lysosomes. D) Centrosomes. Show Answer Correct Answer: C) Lysosomes. 26. When many organ systems work together it can form ..... A) Cells. B) Organ. C) Organism. D) Organ system. Show Answer Correct Answer: C) Organism. 27. Provides structure and support to the cell A) Cell membrane. B) Cytoskeleton. C) Golgi apparatus. D) Chloroplast. Show Answer Correct Answer: B) Cytoskeleton. 28. Given the following activities:1.repair2.growth3.gamete production 4.differentiation Which of the activities are the result of mitosis? A) 1, 2. B) 1, 2, 4. C) 3, 4. D) 2. E) 3. Show Answer Correct Answer: B) 1, 2, 4. 29. This organelle powers the cell through chemical reactions. It is the POWERHOUSE! * A) Vacuole. B) Chloroplast. C) Mitochondrion. D) Nucleus. Show Answer Correct Answer: C) Mitochondrion. 30. Vaccines are made up of:Chemicals Weak microorganisms Viruses Drugs A) Chemicals. B) Weak microorganisms. C) Viruses. D) Drugs. Show Answer Correct Answer: B) Weak microorganisms. 31. What is the function of the cell nucleus found in both plant and animal cells? A) To produce energy. B) To control cell activity. C) To remove waste products. D) To allow molecules to enter the cell. Show Answer Correct Answer: B) To control cell activity. 32. An organelle involved in breaking down lipids, proteins, carbohydrates, damage organelles, and bacteria are ..... A) Lysosomes. B) Golgi Appaparatus. C) Vacule. D) Vesicles. Show Answer Correct Answer: A) Lysosomes. 33. What does the text suggest about the relationship between cell structure and function? A) They are unrelated. B) Structure determines function. C) They are both irrelevant. D) Function determines structure. Show Answer Correct Answer: B) Structure determines function. 34. What is the primary function of the mitochondria in eukaryotic cells? A) Cell division. B) Energy production. C) Genetic information storage. D) Protein synthesis. Show Answer Correct Answer: B) Energy production. 35. The smooth ER does all of the following, EXCEPT A) Lipid Synthesis. B) DNA synthesis. C) Detoxification of drugs. D) Calcium storage. Show Answer Correct Answer: B) DNA synthesis. 36. Analyze how the process of mitosis contributes to genetic consistency in cells. A) It introduces genetic variation. B) It ensures each daughter cell receives an identical set of chromosomes. C) It reduces the chromosome number by half. D) It allows for the exchange of genetic material between cells. Show Answer Correct Answer: B) It ensures each daughter cell receives an identical set of chromosomes. 37. The cell was first discovered by: A) Matthias Jakob Schleiden. B) Robert Hooke. C) Theodor Schwann. D) Anton Van Leeuwenhoek. Show Answer Correct Answer: B) Robert Hooke. 38. In which of the following organelles is mRNA synthesized? A) Ribosome. B) Lysosome. C) Endoplasmic reticulum. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 39. This organelle can be found inside the nucleus, and produces ribosomes. A) Nucleus. B) New Balance Shoe. C) New Moon. D) Nucleolus. Show Answer Correct Answer: D) Nucleolus. 40. BONUS QUESTION #2Which cell would be best for studying lysosomes? A) Leaf cell of a plant. B) Nerve cell. C) Muscle cell. D) Bacterial cell. E) Phagocytic white blood cell. Show Answer Correct Answer: E) Phagocytic white blood cell. 41. A tadpole's tail is gradually broken down during metamorphosis into an adult frog. Which organelle increases in number in the cells of the tail at this time? A) Endoplasmic reticulum. B) Centriole. C) Lysosomes. D) Golgi complex. Show Answer Correct Answer: C) Lysosomes. 42. Typhoid is caused by A) Protozoa. B) Virus. C) Fungi. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 43. Which of the following is directly involved in the transportation of materials inside/within the cell? A) Vacuole. B) Endoplasmic Reticulum. C) Mitochondria. D) Lysosome. Show Answer Correct Answer: B) Endoplasmic Reticulum. 44. Which of the following is found in eukaryotic cells but not in prokaryotic cells? A) Cytoplasm. B) Cell membrane. C) Ribosomes. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 45. What is the function of the cell wall? A) To protect and support cell. B) To perform different functions in the cell. C) To prevent water from entering the cell. D) To prevent oxygen from entering the cell. Show Answer Correct Answer: A) To protect and support cell. 46. What does the nucleus contain? A) The cell's DNA. B) Starch. C) Proteins. D) Lipids. Show Answer Correct Answer: A) The cell's DNA. 47. Cells have projections on their outer surface called ..... A) Flagella. B) Cilia. C) Euglena. D) Golgis. Show Answer Correct Answer: B) Cilia. 48. Where is DNA stored in a cell? A) Lysosomes. B) Golgi Complex. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: C) Nucleus. 49. What is the role of the cell nucleus? A) Stores waste materials. B) Regulates body temperature. C) Produces energy for the cell. D) Controls gene expression and houses genetic material. Show Answer Correct Answer: D) Controls gene expression and houses genetic material. 50. Which cell does not have nucleus? A) Red blood cells. B) White blood cells. C) None of these. D) Both a and b. Show Answer Correct Answer: A) Red blood cells. 51. What happens in the Golgi apparatus? A) Proteins are created. B) Proteins are sorted, packaged, and sent out of the cell. C) Stores proteins and other substances. D) Deposits contents outside of the cell. Show Answer Correct Answer: B) Proteins are sorted, packaged, and sent out of the cell. 52. Are Prokaryotes multicellular or unicellular? A) Multicellular. B) Uniceullar. C) All the above. D) None of the above. Show Answer Correct Answer: A) Multicellular. 53. What is the function of the cell wall in plant cells? A) Produces energy. B) Provides rigidity and protects the cell from taking in too much water. C) Controls cell activities. D) Holds organelles in place. Show Answer Correct Answer: B) Provides rigidity and protects the cell from taking in too much water. 54. Makes proteins for the cell, can be found attached to the endoplasmic reticulum or free in the cytoplasm A) Cell Wall. B) Golgi Body. C) Ribosome. D) Cytoplasm. Show Answer Correct Answer: C) Ribosome. 55. Which of the following contains hydrolytic enzymes? A) Peroxisome. B) Lysosome. C) Golgi apparatus. D) Vacuole. E) Mitochondria. Show Answer Correct Answer: B) Lysosome. 56. Below are the organelles that exists in plant cell EXCEPT A) Lysosome. B) Golgi Body. C) Mitochondria. D) Vacuole. Show Answer Correct Answer: A) Lysosome. 57. Why is mitosis important for multicellular organisms? A) It allows for the production of energy. B) It enables growth and repair of tissues. C) It helps in photosynthesis. D) It controls cell transportTagsVA.LS.2.d. Show Answer Correct Answer: B) It enables growth and repair of tissues. 58. Which of the following is NOT made of cells? A) A rock. B) An ant. C) You and me. D) A tree. Show Answer Correct Answer: A) A rock. 59. This structure is found outside the cell membrane in plants and gives plant cells structure. A) Cell membrane. B) Cell wall. C) Chlorophyll. D) Mitochondria. Show Answer Correct Answer: B) Cell wall. 60. Stores water and nutrients A) Chloroplast in plant cells. B) Mitochondria in animal cells. C) Vacuole in plant cells. D) Ribosome in bacteria. Show Answer Correct Answer: C) Vacuole in plant cells. ← 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 8Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books