This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 55 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which types of organisms are Prokaryotes? A) Animals. B) Plants. C) Fungi. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 2. Reasons that viruses are considered to be nonliving is becauseLas razones por las que los virus se consideran no vivos se deben a A) They are not cellularNo son celulares. B) They cannot reproduce on their ownNo pueden reproducirse por su cuenta. C) They cannot make proteinsNo pueden hacer proteinas. D) All the choices are correctTodas las opciones son correctas. Show Answer Correct Answer: D) All the choices are correctTodas las opciones son correctas. 3. What is the basic unit of structure of all living things? A) Cell. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: A) Cell. 4. Why is the nucleus often referred to as the "control center" of the cell? A) It is the largest organelle in the cell. B) It contains the cell's genetic material and regulates gene expression. C) It produces energy for the cell. D) It is responsible for protein synthesisTagsDOK Level 3:Strategic Thinking. Show Answer Correct Answer: B) It contains the cell's genetic material and regulates gene expression. 5. A scientist removes the mitochondria from a cell. Predict what will most likely happen to the cell. A) The cell will not be able to control what enters and leaves. B) The cell will not be able to produce energy efficiently. C) The cell will lose its genetic information. D) The cell will become a plant cell. Show Answer Correct Answer: B) The cell will not be able to produce energy efficiently. 6. What do vacuoles do? A) Store water, food, and waste. B) Create energy. C) Nothing. D) Give the cell its shape. Show Answer Correct Answer: A) Store water, food, and waste. 7. What is the main function of the nucleus in a cell? A) Controls cell activities and protects DNA. B) Carries materials throughout the cell. C) Provides support and protection to the cell. D) Produces energy for the cell. Show Answer Correct Answer: A) Controls cell activities and protects DNA. 8. A cell is unable to produce enough proteins. Which organelle is most likely malfunctioning? A) Ribosome. B) Lysosome. C) Vacuole. D) Chloroplast. Show Answer Correct Answer: A) Ribosome. 9. Which organelle stores water, nutrients, and waste? A) Golgi apparatus. B) Mitochondria. C) Nucleus. D) Vacuole. Show Answer Correct Answer: D) Vacuole. 10. Bacteria is what kind of cell? A) Eukaryotic. B) Prokaryotic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Prokaryotic. 11. Cells come from ..... A) Other preexisting cells. B) Cytoplasm. C) Organelles. D) Prokaryotes. Show Answer Correct Answer: A) Other preexisting cells. 12. Organelles that package cellular materials and transports them within the cell or out of the cell. A) Golgi Body. B) Endoplasmic reticulum. C) Large central vacuole. D) Lysosomes. Show Answer Correct Answer: A) Golgi Body. 13. The final stage of the cell cycle, in which the cell's cytoplasm divides, distributing organelles into each of the two new daughter cells A) Mitosis. B) Telophase. C) Cytokinesis. D) Interphase. Show Answer Correct Answer: C) Cytokinesis. 14. This structure of the plant cell is non-living A) Nucleus. B) Cell wall. C) Cytoplasm. D) Mitochondrion. Show Answer Correct Answer: B) Cell wall. 15. Which of the following best describes the role of cytoplasm in a cell? A) It is the site of photosynthesis. B) It provides structural support to the cell. C) It is where cellular respiration occurs. D) It is a jelly-like substance that holds organelles in placeTagsDOK Level 1:Recall. Show Answer Correct Answer: D) It is a jelly-like substance that holds organelles in placeTagsDOK Level 1:Recall. 16. Basic unit of all forms of life A) Cell. B) Nucleus. C) Prokaryote. D) Eukaryote. Show Answer Correct Answer: A) Cell. 17. What evidence supports the cell theory? A) Cells can spontaneously generate from non-living matter. B) All living organisms are composed of cells. C) Cells are only found in plants. D) Cells do not contain genetic material. Show Answer Correct Answer: B) All living organisms are composed of cells. 18. The coloured organelles which are found in plants only are A) Chlorophyll. B) Plastids. C) Vacuoles. D) WBC. Show Answer Correct Answer: B) Plastids. 19. Which structure is the site of the synthesis of proteins that may be exported from the cell? A) Rough ER. B) Lysosomes. C) Plasmodesmata. D) Golgi vesicles. E) Tight junctions. Show Answer Correct Answer: A) Rough ER. 20. This tissue runs through the ground tissue inside a plant. It is made up of vessels that transport water, minerals, and nutrients through the plant. A) Dermal tissue. B) Ground tissue. C) Meristematic tissue. D) Vascular tissue. Show Answer Correct Answer: D) Vascular tissue. 21. What is the main function of the large central vacuole in plant cells? A) Protein synthesis. B) Storage of water and nutrients. C) Cellular respiration. D) DNA replication. Show Answer Correct Answer: B) Storage of water and nutrients. 22. Which organelle is a membrane system of folded sacs and channels for protein and lipid synthesis? A) Mitochondria. B) Nucleolus. C) Golgi apparatus. D) Endoplasmic reticulum. Show Answer Correct Answer: D) Endoplasmic reticulum. 23. Nucleus is separated from cytoplasm by A) Nucleoplasm. B) Cell membrane. C) Nuclear membrane. D) Plasma membrane. Show Answer Correct Answer: C) Nuclear membrane. 24. This scientist proposed that all cells come from other cells: A) Leeunwenhoek. B) Schleiden. C) Schwann. D) Virchow. Show Answer Correct Answer: D) Virchow. 25. The smallest unit that can carry out all activities associated with life is ..... A) The organelle. B) The atom. C) A tissue. D) The cell. Show Answer Correct Answer: D) The cell. ← 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