This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All organisms are comprised of one or more ..... A) Cells. B) Eggs. C) Water molecules. D) DNA. Show Answer Correct Answer: A) Cells. 2. What is the role of the cytoskeleton in a cell? A) To provide structural support and shape. B) To synthesize proteins. C) To conduct photosynthesis. D) To store genetic material. Show Answer Correct Answer: A) To provide structural support and shape. 3. The process by which extensions of cytoplasm engulf large particles A) Nucleus. B) Prokaryote. C) Phagocytosis. D) Organelle. Show Answer Correct Answer: C) Phagocytosis. 4. If your father has brown eyes, you may also have brown eyes. If your mother has curlyhair, you might also end up having curly hair. This transfer of characteristics is due to thetransfer of ..... A) Mitochondria. B) Lysosomes. C) Chloroplasts. D) Chromosomes. Show Answer Correct Answer: D) Chromosomes. 5. Emma is learning about how plants make their own food. She discovers that plants use sunlight to make energy-rich food (photosynthesis). Which part of the plant cell helps with this process? A) Vacuoles. B) Chloroplasts. C) Lysosomes. D) Cell membrane. E) Mitochondria. Show Answer Correct Answer: B) Chloroplasts. 6. What is the primary function of muscular tissue? A) Movement of the body. B) Covering surfaces. C) Transporting fluids. D) Providing support. Show Answer Correct Answer: A) Movement of the body. 7. What is one basic function of the vacuoles? A) Circulating oxygen. B) Producing food. C) Controlling cell processes. D) Storing water. Show Answer Correct Answer: D) Storing water. 8. , two German biologists, Matthias Jakob Schleiden and Theodor Schwann, did experiments to know what kind of living things had cells. They came up with a theory A) That all plants and animals are made up of cells. B) That all plants and animals are made up of pores. C) That all plants and animals are made up of sweat. D) None of the above. Show Answer Correct Answer: A) That all plants and animals are made up of cells. 9. Luna, Ava, and Henry are studying plant cells in their biology class. They are discussing the function of chloroplasts in plant cells. What is the primary function of chloroplasts? A) Protein synthesis. B) Cellular respiration. C) Photosynthesis. D) Cell division. Show Answer Correct Answer: C) Photosynthesis. 10. Semi-permeable layer around the cell that encloses the contents of the cell A) Nucleus. B) Cell membrane. C) Cell wall. D) Chloroplast. Show Answer Correct Answer: B) Cell membrane. 11. It keeps the cytoplasm inside the cell to allow nutrients in and waste products out, and interacts with the outside environment of the cell. A) Cell membrane. B) Cytoplasm. C) Nucleus. D) None of the above. Show Answer Correct Answer: A) Cell membrane. 12. Which organelle assembles proteins? A) Lipids. B) Ribosomes. C) Carbohydrates. D) Nucleic Acids. Show Answer Correct Answer: B) Ribosomes. 13. What is the basic unit of life according to the cell theory? A) Atom. B) Cell. C) Tissue. D) OrganTagsVA.LS.2.a. Show Answer Correct Answer: B) Cell. 14. Both an animal cell and a plant cell have a cell membrane. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 15. What are ribosomes responsible for? A) Energy production. B) Protein synthesis. C) Genetic information storage. D) Cell division. Show Answer Correct Answer: B) Protein synthesis. 16. Which of the following is the function of the cytoskeleton? A) Helps a cell keep its shape. B) Contains DNA. C) Surrounds the cell. D) Helps make proteins. Show Answer Correct Answer: A) Helps a cell keep its shape. 17. Movement of substances in and out A) Cell Wall. B) Cell Membrane. C) Vacuole. D) Mitochondria. Show Answer Correct Answer: B) Cell Membrane. 18. The cells capable of changing shapes A) Amoeba. B) WBC. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 19. Aiden, Emma, and Ava are studying for their biology exam. They come across a question about cells. They want to know which organelle is responsible for storing genetic information in a cell. Can you help them? A) Nucleus. B) Mitochondria. C) Endoplasmic reticulum. D) Ribosome. Show Answer Correct Answer: A) Nucleus. 20. The mitochondria A) Controls what enters and leaves the cell. B) Performs photosynthesis to make food for the cell. C) Contains the chromosomes and is known as the "brain" of the cell. D) Breaks down food to produce energy for the cell. Show Answer Correct Answer: D) Breaks down food to produce energy for the cell. 21. Which of the following shows the levels of organization that makes up an organism in the correct order from smallest to largest? A) Organism, organ system, organ, tissue, cell. B) Organ system, organism, organ, tissue, cell. C) Cell, tissue, organ, organ system, organism. D) Cell, tissue, organ system, organ, organism. Show Answer Correct Answer: C) Cell, tissue, organ, organ system, organism. 22. Sophia's house has a security system that regulates what enters and exits, helping maintain a safe and comfortable environment inside.Which part of a cell works in a similar way? A) Vacuoles. B) Chloroplasts. C) Lysosomes. D) Cell membrane. E) Mitochondria. Show Answer Correct Answer: D) Cell membrane. 23. What is the function of the endoplasmic reticulum? A) Transport of nutrients across the cell membrane. B) Storage of genetic information. C) Energy production through ATP synthesis. D) The endoplasmic reticulum functions in the synthesis of proteins and lipids. Show Answer Correct Answer: D) The endoplasmic reticulum functions in the synthesis of proteins and lipids. 24. It is also called the factory of ribosome synthesis: A) Nucleolus. B) Golgi bodies. C) Nucleoplasm. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Nucleolus. 25. Which process results in two identical daughter cells? A) Meiosis. B) Mitosis. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: B) Mitosis. ← 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