This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 80 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 80 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the jelly-like substance that is inside the cell? A) Cytoplasm. B) Ectoplasm. C) Cytokinesis. D) None of the above. Show Answer Correct Answer: A) Cytoplasm. 2. Chloroplasts (in plants) A) Contain chlorophyll and carry out photosynthesis. B) Are responsible for cellular respiration. C) Store nutrients and water for the plant. D) Help in the absorption of minerals from the soil. Show Answer Correct Answer: A) Contain chlorophyll and carry out photosynthesis. 3. What organelles transport proteins in a cell? A) Golgi apparatus. B) Vesicles. C) Popsicles. D) Vacuoles. Show Answer Correct Answer: B) Vesicles. 4. What is the name of the thread like structure in Nucleus? A) Genes. B) Ribosomes. C) Chromosomes. D) Nucleolus. Show Answer Correct Answer: C) Chromosomes. 5. All plant cells are: A) Prokaryotic. B) Eukaryotic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Eukaryotic. 6. What distinguishes a eukaryotic cell from a prokaryotic cell is the presence of A) A cell wall. B) A nucleus. C) DNA. D) Ribosomes. Show Answer Correct Answer: B) A nucleus. 7. What does the mitochondria do in the cell? A) Synthesizes proteins. B) Produces energy. C) Stores genetic material. D) Transports substances. Show Answer Correct Answer: B) Produces energy. 8. Genetic material can be found in what organelle? A) The golgi complex. B) The mitochondria. C) The nucleus. D) The chloroplasts. Show Answer Correct Answer: C) The nucleus. 9. What structure/s in animals have a similar function as a cell wall? A) Skin. B) Mouth, Nose, and Ears. C) Blood. D) Brain and Nerves. Show Answer Correct Answer: A) Skin. 10. The liquid material in the nucleus is A) Chromosomes. B) Bacteria. C) Nucleoplasm. D) Nucleolus. Show Answer Correct Answer: C) Nucleoplasm. 11. What is the maindifference between prokaryotic and eukaryotic cells? A) Prokaryotic cells have a nucleus and Eukaryotic cells do not. B) Prokaryotic cells are unicellular and Eukaryotic cells are multicellular. C) Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus. D) Prokaryotic cells are plant cells and Eukaryotic cells are animal cells. Show Answer Correct Answer: C) Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus. 12. Definition for Prokaryotic cell. A) A cell with no nucleus. B) A cell with a nucleus. C) A tree. D) A rock. Show Answer Correct Answer: A) A cell with no nucleus. 13. What is the significance of the Miller-Urey Experiment? A) It demonstrated that biomolecules can form under ancient Earth-like conditions. B) It created life. C) It proved the theory of evolution. D) It showed that cells can arise from non-living matter. Show Answer Correct Answer: A) It demonstrated that biomolecules can form under ancient Earth-like conditions. 14. What additional structure do plant cells have that provides support? A) Cell wall. B) Cell membrane. C) Nucleus. D) Vacuole. Show Answer Correct Answer: A) Cell wall. 15. Compare the function of the nucleus and the mitochondria in a cell. A) Both store water for the cell. B) The nucleus controls cell activities, while the mitochondria produce energy. C) Both control what enters and leaves the cell. D) The nucleus produces energy, while the mitochondria store genetic information. Show Answer Correct Answer: B) The nucleus controls cell activities, while the mitochondria produce energy. 16. Cells without well-organised nucleus, i.e. lacking nucleur membrane, are called ..... cells. A) Animal. B) Prokaryotic. C) Eukaryotic. D) None of these. Show Answer Correct Answer: B) Prokaryotic. 17. How is the DNA different in prokaryotic and eukaryotic cells? A) Prokaryotic has circular DNA and eukaryotic has double helix DNA. B) Prokaryotic has DNA in the nucleus and eukaryotic has DNA in the cytoplasm. C) Prokaryotic cells do not have DNA, but eukaryotic cells do. D) Prokaryotic cells have double helix DNA and eukaryotic cells have circular DNA. Show Answer Correct Answer: A) Prokaryotic has circular DNA and eukaryotic has double helix DNA. 18. What is the role of the Golgi Body in a cell? A) To synthesize proteins. B) To modify, sort, and package proteins and lipids. C) To break down waste materials. D) To store genetic information. Show Answer Correct Answer: B) To modify, sort, and package proteins and lipids. 19. Which stage of the cell cycle is characterized by the replication of DNA? A) G1 phase. B) S phase. C) G2 phase. D) M phaseTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) S phase. 20. All cells are made up of cell wall. A) Fact. B) Bluff. C) Maybe. D) No answer. Show Answer Correct Answer: B) Bluff. 21. Which of the following correctly describes the role of mRNA in protein synthesis? A) MRNA carries amino acids to the ribosome. B) MRNA provides the template for assembling amino acids into proteins. C) MRNA forms the structure of the ribosome. D) MRNA catalyzes the formation of peptide bondsTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) MRNA provides the template for assembling amino acids into proteins. 22. What do mitochondria generate for the cell? A) ATP. B) DNA. C) RNA. D) Proteins. Show Answer Correct Answer: A) ATP. 23. Cells come only from what? A) Existing cells. B) Nucleus. C) Fission. D) Budding. Show Answer Correct Answer: A) Existing cells. 24. Package and protect DNA structure and sequence. A) CHROMATIN. B) CELLWALL. C) VACUOLES. D) CHLOROPLAST. Show Answer Correct Answer: A) CHROMATIN. 25. Chromatids A) Are duplicated DNA molecules. B) Are joined at the centromere. C) Become chromosomes at anaphase. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related 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 8Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9Class 8 Science Chapter 8 Cell Structure And Functions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books