This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 84 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 84 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organelle produces ribosomes? A) Nucleolus. B) Nucleus. C) Ribosomes. D) Golgi apparatus. Show Answer Correct Answer: A) Nucleolus. 2. What is the gel-like substance where chemical reactions occur? A) Mitochondria. B) Cell Membrane. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: C) Cytoplasm. 3. After mitosis the number of chromosomes in the newly created cells will be: A) Half the number of the original cell. B) The same number as the original cell. C) Twice as much as the original cell. D) None of the above. Show Answer Correct Answer: B) The same number as the original cell. 4. Zoe is testing the pH of a sample of rainwater in her lab. She finds that the hydrogen ion concentration is 1.0 x 10$^{-8}$M. The pH of the rainwater will be ..... A) 8. B) 6. C) 14. D) 1. Show Answer Correct Answer: A) 8. 5. This structure is only in plant cells. It is outside of the cell membrane and adds more support/structure to the plant. A) Cell membrane. B) Cell Nucleus. C) Cell Wall. D) Endoplasmic Reticulum. Show Answer Correct Answer: C) Cell Wall. 6. Both animal and plant cells are made of nucleus, cytoplasm, plasma membrane, Golgi apparatus, mitochondrion, endoplasmic reticulum and ribosomes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Mitochondria is responsible for A) Giving food to the cell. B) Providing energy. C) Protecting the cell. D) Cell division. Show Answer Correct Answer: B) Providing energy. 8. What is commonly used to make antibiotics? A) Fungi, Bacteria. B) Dead or weakened microbes. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fungi, Bacteria. 9. Only eukaryotic cells have ..... A) Membrane-bound organelles. B) DNA. C) Ribosomes. D) Cell membranes. Show Answer Correct Answer: A) Membrane-bound organelles. 10. ONLY found in plant cells A) Nucleus. B) Cell wall. C) Cell membrane. D) Lysosome. Show Answer Correct Answer: B) Cell wall. 11. What is the main difference in vacuole size between plant and animal cells? A) Plant cells have smaller vacuoles than animal cells. B) Animal cells have larger vacuoles than plant cells. C) Plant cells have one large central vacuole, while animal cells have smaller vacuoles. D) Both have the same size vacuoles. Show Answer Correct Answer: C) Plant cells have one large central vacuole, while animal cells have smaller vacuoles. 12. Facilitated diffusion: A) Requires a transmembrane protein. B) Requires ATP. C) Can move molecules against a concentration gradient. D) Is typically used to transport small nonpolar molecules. Show Answer Correct Answer: A) Requires a transmembrane protein. 13. Which part of the cell is responsible for energy production? A) Mitochondria. B) Ribosome. C) Nucleus. D) Golgi apparatus. Show Answer Correct Answer: A) Mitochondria. 14. Which organelle is known as the "control centre" of the cell? A) Mitochondria. B) Nucleus. C) Ribosome. D) Golgi apparatus. Show Answer Correct Answer: B) Nucleus. 15. A liquid with a pH of 4 is ..... x more concentrated in H$^{+}$ than a liquid with a pH of 6. A) 10. B) 100. C) 1, 000. D) 10, 000. Show Answer Correct Answer: B) 100. 16. The technique in which cellular components are coloured for better observation is called:\ A) Dyeing. B) Pigmenting. C) Staining. D) Colouring. Show Answer Correct Answer: C) Staining. 17. Which organelle produces energy through cellular respiration? A) Chloroplast. B) Peroxisome. C) Ribosomes. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 18. Is the structure located in a plant and animal cell that is home to DNA, where new cells are made and directs cell activity A) Nucleus. B) Ribosomes. C) Mitochondria. D) Vacuoles. Show Answer Correct Answer: A) Nucleus. 19. Euglena doesn't have- A) Cilia. B) Flagella. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: A) Cilia. 20. The organelle not present in human cheek cell is A) Nucleus. B) Mitochondria. C) Cell membrane. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 21. This tissue carries nutrients, waste, respiratory gases and many other substances throughout the body A) Bone. B) Blood. C) Cartilage. D) Muscle. Show Answer Correct Answer: B) Blood. 22. What is the structure of the chloroplast that contains chlorophyll? A) Single membrane-bound organelle with thylakoids and stroma. B) Triple membrane-bound organelle with thylakoids and stroma. C) No membrane-bound organelle with thylakoids and stroma. D) Double membrane-bound organelle with thylakoids and stroma. Show Answer Correct Answer: D) Double membrane-bound organelle with thylakoids and stroma. 23. Which structure is responsible for digesting excess or worn-out organelles? A) Endoplasmic reticulum. B) Cytoskeleton. C) Lysosomes. D) Vacuole. Show Answer Correct Answer: C) Lysosomes. 24. This tissue covers the outside of a plant in a single layer of cells called the epidermis. A) Dermal tissue. B) Meristematic tissue. C) Ground tissue. D) Vascular tissue. Show Answer Correct Answer: A) Dermal tissue. 25. Which organelle is responsible for producing ATP through cellular respiration? A) Nucleus. B) Mitochondrion. C) Ribosome. D) Lysosome. Show Answer Correct Answer: B) Mitochondrion. ← 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