This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 47 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Proteins and other materials are processed in and shipped out of a eukaryotic cell by the ..... A) Golgi complex. B) Adenosine triphosphate (ATP). C) Mitochondria. D) None of the above. Show Answer Correct Answer: A) Golgi complex. 2. Proteins are made on these small structures. * A) Mitochondria. B) Ribosomes. C) Lysosomes. D) E.R. Show Answer Correct Answer: B) Ribosomes. 3. Which one of the following is not part of the cell theory? A) All living things are made of cells. B) Cells are the basic units of structure and function of living things. C) New cells are produced from existing cells. D) Cells never die. Show Answer Correct Answer: D) Cells never die. 4. STAINSARE USED TO COLOUR PARTS OF THE CELL TO STUDY DETAILED STRUCTURE A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 5. What is the role of synovial membranes? A) Line the joints and provide lubrication. B) Cover the skin. C) Transport nutrients. D) Store fat. Show Answer Correct Answer: A) Line the joints and provide lubrication. 6. Discuss the strategic role of mitochondria in energy metabolism within the cell. A) Mitochondria store energy in the form of lipids. B) Mitochondria convert glucose into ATP, the energy currency of the cell, through cellular respiration. C) Mitochondria synthesize proteins for energy. D) Mitochondria replicate DNA for energy production. Show Answer Correct Answer: B) Mitochondria convert glucose into ATP, the energy currency of the cell, through cellular respiration. 7. What are the working structures within each cell called that carry out a specific function? A) Organs. B) Organisms. C) Organelles. D) Cells. Show Answer Correct Answer: C) Organelles. 8. ..... contain the green pigment chlorophyll, which help plant in making food A) Chloroplasts. B) Cell Wall. C) Leucoplasts. D) Chromoplasts. Show Answer Correct Answer: A) Chloroplasts. 9. Assertion (A):Amoeba and Paramecium are unicellular organismReasoning (R):Unicellular organisms only have one cell A) Both A & R are true and R is the correct explanation for A. B) Both A & R are true but R is not the correct explanation for A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A & R are true and R is the correct explanation for A. 10. What is the primary role of vascular tissue in plants? A) Transport water and nutrients. B) Provide support. C) Store food. D) Protect against pathogens. Show Answer Correct Answer: A) Transport water and nutrients. 11. A ..... is a protective layer that covers the cell's surface and acts as a barrier. A) Mitochondria. B) Cytoplasm. C) Nucleus. D) Cell membrane. Show Answer Correct Answer: D) Cell membrane. 12. Assertion (A):The cell membrane is selectively permeable. Reason (R):It allows only certain substances to pass through while blocking others. A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Show Answer Correct Answer: A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. 13. Which cell organelle is called power house of the cell A) Chloroplast. B) Ribosome. C) Mitochondria. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Mitochondria. 14. The thin, flexible barrier around a cell is called the ..... A) Plasma membrane. B) Cell wall. C) Nuclear envelope. D) Cytoplasm. Show Answer Correct Answer: A) Plasma membrane. 15. Who looked at cork and named the cell? A) Robert Hooke. B) Van Leeuwenhoek. C) Robert Brown. D) Francesco Redi. Show Answer Correct Answer: A) Robert Hooke. 16. This uses energy A) Endocytosis. B) Exocytosis. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 17. What is the rigid layer of nonliving material that surrounds the cells of plants and other organisms called? A) Cell membrane. B) Nucleus. C) Cell wall. D) Cytoplasm. Show Answer Correct Answer: C) Cell wall. 18. Which of the following organelles always contains DNA? A) Mitochondria. B) Centriole. C) Lysosome. D) Golgi complex. Show Answer Correct Answer: A) Mitochondria. 19. The control unit of the cell is A) Cytoplasm. B) Protoplasm. C) Nucleoplasm. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 20. What structures distinguish a plant cell from an animal cell? A) Plant cells have cell walls and ribosomes. B) Plant cells have cell walls and chloroplasts. C) Plant cells have chloroplasts and ribosomes. D) Plant cells have chloroplasts and mitochondria. Show Answer Correct Answer: B) Plant cells have cell walls and chloroplasts. 21. What is the function of ground tissue in plants? A) Provides strength and support. B) Transports water. C) Stores food and water. D) Both A and C. Show Answer Correct Answer: D) Both A and C. 22. How does diffusion differ from active transport? A) Diffusion requires energy; active transport does not. B) Active transport moves substances against the concentration gradient; diffusion does not. C) Diffusion only occurs in plant cells; active transport only occurs in animal cells. D) Active transport is a passive process; diffusion is not. Show Answer Correct Answer: B) Active transport moves substances against the concentration gradient; diffusion does not. 23. Priya is working in a hospital laboratory, analyzing how the body repairs itself after an injury. She observes that certain molecules, like enzymes, are crucial in regulating, building, and supporting various bodily functions during the healing process. Which type of molecule is responsible for these roles? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 24. Cell Cycle A) Process of photosynthesis in plants. B) Of events that cells go through as they grow and divide. C) Stages of protein synthesis. D) Mechanism of DNA replication. Show Answer Correct Answer: B) Of events that cells go through as they grow and divide. 25. What unique feature do some bacteria have for movement? A) Vacuoles. B) Flagella. C) Chloroplasts. D) Cilia. Show Answer Correct Answer: B) Flagella. ← 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