This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 60 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 60 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a plant cell is placed in a solution with a lower concentration of water than inside the cell, what will most likely happen? A) Water will move into the cell. B) Water will move out of the cell. C) The cell will divide. D) The cell will produce more chloroplastsTagsVA.LS.2.e. Show Answer Correct Answer: B) Water will move out of the cell. 2. THE CELL PROVIDES STRUCTURE FOR THE BODY, TAK EIN NUTRIENTS FORM FOOD, CONVERT THOSE NUTRIENTS INTO ENERGY, AND CARRY OUT SPECIALIZED FUNCTIONS A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 3. Network of membranes attached to the nucleus. A) RIBOSOMES. B) MEMBRANE. C) ENDOPLASMIC RETICULUM. D) CYTOPLASM. Show Answer Correct Answer: C) ENDOPLASMIC RETICULUM. 4. Assertion (A):Mitochondria are double-membraned organelles. Reason (R):The inner membrane is folded into cristae to increase surface area for ATP production. 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. 5. Each organ is made up of smaller parts called A) Cell. B) Nucleus. C) Tissue. D) Diaper. Show Answer Correct Answer: C) Tissue. 6. What is the function of the cytoskeleton in a cell? A) Structural support, cell movement, intracellular transport. B) Energy production, waste removal, DNA replication. C) All the above. D) None of the above. Show Answer Correct Answer: A) Structural support, cell movement, intracellular transport. 7. Control cell activities and contains DNA A) Vacuole. B) Mitochondria. C) Cell Membrane. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 8. Which structure is responsible for maintaining the shape and structure of a plant cell? A) Cell wall. B) Cell membrane. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: A) Cell wall. 9. How do microorganisms contribute to medicine as mentioned in the passage? A) They are used to make antibiotics and vaccines. B) They cause infections. C) They are not used in medicine. D) They are used to make vitamins. Show Answer Correct Answer: A) They are used to make antibiotics and vaccines. 10. Cells have particular structures that perform specific jobs. These structures are known as ..... A) Organs. B) Tissues. C) Systems. D) Organelles. Show Answer Correct Answer: D) Organelles. 11. They are the sites of protein synthesis, A) Ribosomes. B) Endoplasmic reticulum (ER). C) Mitochondria. D) None of the above. Show Answer Correct Answer: A) Ribosomes. 12. A lysosome's main function is to ..... A) Use light energy to make food. B) Protect the cell. C) Break down materials. D) Fight off infections. Show Answer Correct Answer: C) Break down materials. 13. All the material inside the plasma membrane of a cell is referred to as A) Cytosol. B) Cytoplasm. C) Cytoskeleton. D) Endoplasm. Show Answer Correct Answer: B) Cytoplasm. 14. If a cell's mitochondria are damaged, which process would be most affected? A) Protein synthesis. B) Energy production. C) DNA replication. D) Cell division. Show Answer Correct Answer: B) Energy production. 15. What is the role of the cell wall in plant cells? A) To regulate the movement of substances. B) To provide structural support. C) To synthesize proteins. D) To store genetic material. Show Answer Correct Answer: B) To provide structural support. 16. In eukaryotes, the ..... is where cellular respiration takes place. A) Golgi apparatus. B) Mitochondria. C) Nucleus. D) Vacuole. Show Answer Correct Answer: B) Mitochondria. 17. Cells with a nucleus and membrane-bound organelles are called ..... A) Prokaryotes. B) Eukaryotes. C) Bacteria. D) Protists. Show Answer Correct Answer: B) Eukaryotes. 18. Assertion (A):Mitochondria have their own DNA. Reason (R):This allows them to replicate independently within the cell. 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. 19. The smallest unit of a living thing are A) Atoms. B) Cells. C) DNA. D) Organelles. Show Answer Correct Answer: B) Cells. 20. What is the function of peroxisomes? A) Breaks down fatty acids and detoxifies harmful substances. B) Conducts photosynthesis. C) Synthesizes proteins. D) Stores water and nutrients. Show Answer Correct Answer: A) Breaks down fatty acids and detoxifies harmful substances. 21. The other name of cell membrane is A) Plasma membrane. B) Cell wall. C) Nuclear membrane. D) None of these. Show Answer Correct Answer: A) Plasma membrane. 22. Which of the following is found only in plant cells and not in animal cells? A) Mitochondria. B) Cell wall. C) Nucleus. D) Lysosome. Show Answer Correct Answer: B) Cell wall. 23. Prokaryotic Cells do not have A) Cell membrane. B) Nuclear membrane. C) Cytoplasm. D) Nuclear material. Show Answer Correct Answer: B) Nuclear membrane. 24. Full form WBC A) White blood cell. B) Well burn cut. C) White butch corner. D) None of these. Show Answer Correct Answer: A) White blood cell. 25. Explain the role of ribosomes in a cell. A) Ribosomes are responsible for cell division. B) Ribosomes synthesize proteins by translating mRNA into polypeptides. C) Ribosomes store genetic information for the cell. D) Ribosomes generate energy for cellular processes. Show Answer Correct Answer: B) Ribosomes synthesize proteins by translating mRNA into polypeptides. ← 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