This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The empty blank looking structures in the cytoplasm are A) Vacuoles. B) Plastids. C) Plasma membrane. D) Nucleus. Show Answer Correct Answer: A) Vacuoles. 2. Which organelle is called the "powerhouse of the cell" ? A) Nucleus. B) Cytoplasm. C) Mitochondrion. D) None of the above. Show Answer Correct Answer: C) Mitochondrion. 3. What is the function of the cytoplasm in a cell? A) It stores genetic information. B) It provides a medium for the organelles to carry out their functions. C) It helps in cell movement. D) It regulates the entry and exit of substances. Show Answer Correct Answer: B) It provides a medium for the organelles to carry out their functions. 4. What is the function of the chloroplast? A) To give the cell its round shape. B) To produce food in a plant cell through photosynthesis. C) To produce food in an animal cell. D) To help the cell grow and reproduce. Show Answer Correct Answer: B) To produce food in a plant cell through photosynthesis. 5. Who was the first person to see cells under the microscope and give them their name? A) Mattias Schleiden. B) Robert Hooke. C) Theordor Schwann. D) Anton van Leeuwenhoek. Show Answer Correct Answer: B) Robert Hooke. 6. If a cell's mitochondria are not functioning properly, which process will be directly affected? A) Protein synthesis. B) Energy production. C) Photosynthesis. D) Cell division. Show Answer Correct Answer: B) Energy production. 7. The process by which cells release energy by breaking down food molecules without using oxygen A) Photosynthesis. B) Cellular respiration. C) Fermentation. D) Cytokinesis. Show Answer Correct Answer: C) Fermentation. 8. What is the primary function of ribosomes in a cell? A) Energy production. B) Protein synthesis. C) DNA replication. D) Lipid storage. Show Answer Correct Answer: B) Protein synthesis. 9. Control the cell's activities; contains the cell's DNA A) Mitochondria. B) Cell membrane. C) Nucleus. D) Golgi body. Show Answer Correct Answer: C) Nucleus. 10. ..... are organelles that use light energy to make food. A) Mitochondria. B) Vaculoles. C) Chloroplasts. D) Nuclei. Show Answer Correct Answer: C) Chloroplasts. 11. What is true about unicellular organisms? A) They cannot reproduce. B) They can be made of one or more cells. C) They can be made of only 1 cell. D) All of these. Show Answer Correct Answer: C) They can be made of only 1 cell. 12. A group of tissues that perform a similar function is called ..... (Examples include the heart, lungs or stomach) A) Cells. B) Tissues. C) Organs. D) Organ system. Show Answer Correct Answer: C) Organs. 13. Why are cells considered systems? A) They are the smallest structures. B) They have specialized parts called organelles. C) They store genetic information. D) They perform photosynthesis. Show Answer Correct Answer: B) They have specialized parts called organelles. 14. Found in cells that obtain energy by capturing sunlight and storing it in the chlorophyll. This is apart of structural support for the cell. A) Cell wall. B) Cell membrane. C) Cytoskeleton. D) Cellulose. Show Answer Correct Answer: A) Cell wall. 15. Which organelle labels substances (proteins, etc) with messages (hormones) so that they can be used in the cell or outside of the cell? A) ER. B) Golgi bodies. C) Ribosomes. D) Lysosomes. Show Answer Correct Answer: B) Golgi bodies. 16. Which organelle is known as the 'powerhouse' of the cell? A) Golgi apparatus. B) Mitochondria. C) Endoplasmic reticulum. D) Ribosomes. Show Answer Correct Answer: B) Mitochondria. 17. Which organelle is responsible for protein synthesis? A) Mitochondria. B) Cell Wall. C) Ribosome. D) Chloroplast. Show Answer Correct Answer: C) Ribosome. 18. Which tool is most likely used to produce a clear image of very tiny structures inside a cell? A) Light microscope. B) Magnetic resonance imaging. C) Electron microscope. D) Computer model. Show Answer Correct Answer: C) Electron microscope. 19. Transport system A) Endoplasmic reticulum. B) Golgi apparatus. C) Mitochondria. D) Lysosome. Show Answer Correct Answer: A) Endoplasmic reticulum. 20. This structure is in plant cells but not animal cells. It is outside of the cell membrane and adds more support/structure/rigidity to the plant. A) Cell membrane. B) Cell Nucleus. C) Cell Wall. D) Endoplasmic Reticulum. Show Answer Correct Answer: C) Cell Wall. 21. Which organelle is responsible for storing and protecting the cell's genetic material? A) Mitochondria. B) Nucleus. C) Golgi Body. D) Endoplasmic Reticulum. Show Answer Correct Answer: B) Nucleus. 22. This organelle contains substances that help break down and recycle cellular components. * A) Ribosomes. B) Lysosomes. C) Vesicles. D) Mitochondria. Show Answer Correct Answer: B) Lysosomes. 23. What is the other name of cell membrane? A) Plasma Membrane. B) Membrane. C) Both A and B. D) None of the above. Show Answer Correct Answer: A) Plasma Membrane. 24. In a multicellular living organism, X is made up of Y and Y are made up of cells. What are X and Y? A) X-Organ, Y-tissues. B) X-Organ, Y-Organ System. C) X-tissue, Y-Organs. D) X-tissue, Y-Organ Systems. Show Answer Correct Answer: A) X-Organ, Y-tissues. 25. Catabolic pathway in which organic molecules are broken down to release energy for use by the cell. A) Photosynthesis. B) Cellular Respiration. C) Thermodynamics. D) Metabolism. Show Answer Correct Answer: B) Cellular Respiration. ← 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 9Class 8 Science Chapter 8 Cell Structure And Functions Quiz 10Class 8 Science Chapter 8 Cell Structure And Functions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books