This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the nucleus in a cell? A) Energy production. B) Protein synthesis. C) Waste disposal. D) Control center of the cell. Show Answer Correct Answer: D) Control center of the cell. 2. Nucleus A) Control center of the cell, where the DNA (chromosomes) is located. B) Site of protein synthesis in the cell. C) Location of cellular respiration. D) Storage area for waste products. Show Answer Correct Answer: A) Control center of the cell, where the DNA (chromosomes) is located. 3. What is the main difference between prokaryotic and eukaryotic cells? A) Prokaryotic cells have a nucleus, eukaryotic cells do not. B) Eukaryotic cells have a nucleus, prokaryotic cells do not. C) Prokaryotic cells have mitochondria, eukaryotic cells do not. D) Eukaryotic cells have a cell wall, prokaryotic cells do not. Show Answer Correct Answer: B) Eukaryotic cells have a nucleus, prokaryotic cells do not. 4. Which of the following is not a prokaryotic cell? A) Blue-green algae. B) Mycoplasma. C) PPLO. D) Slime mould. Show Answer Correct Answer: D) Slime mould. 5. Viscous fluid containing organelles. A) RIBOSOMES. B) MEMBRANE. C) ENDOPLASMIC RETICULUM. D) CYTOPLASM. Show Answer Correct Answer: D) CYTOPLASM. 6. Which of the following is the exception of cell theory?Which statement is not part of the cell theory? A) Bacteria. B) Virus. C) Fungi. D) Lichen. Show Answer Correct Answer: B) Virus. 7. Where are ribosomes found in the cell? A) In the Golgi Body. B) On the cell membrane. C) Inside the nucleus. D) Floating freely in the cytoplasm or attached to the Rough ER. Show Answer Correct Answer: D) Floating freely in the cytoplasm or attached to the Rough ER. 8. Where is DNA stored? A) Vacuole. B) Cell membrane. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 9. Each organelle has a special function that helps maintain the cell's life. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Which organelle is known as the 'control center' of the cell? A) Nucleus. B) Mitochondria. C) Golgi apparatus. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Nucleus. 11. Unicellular organisms are A) Plant cells. B) Eukaryotic. C) Made of many cells. D) Made of one cell. Show Answer Correct Answer: D) Made of one cell. 12. Which structure is common to plant and animal cells? A) Chloroplast. B) Wall made of cellulose. C) Central vacuole. D) Mitochondrion. E) Centriole. Show Answer Correct Answer: D) Mitochondrion. 13. This organelle is a rigid outer layer that protects plant cells. A) Cell Membrane. B) Cell Wall. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: B) Cell Wall. 14. Nuclear membrane.-is similar to the cell membrane. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. When flagella are present on the entire surface of bacteria it is called A) Amphitrichous. B) Peritrichous. C) Lophotrichous. D) Atrichous. Show Answer Correct Answer: B) Peritrichous. 16. Uses ATP (energy) A) Passive Transport. B) Active Transport. C) All the above. D) None of the above. Show Answer Correct Answer: B) Active Transport. 17. Plants are able to make their own food using an organelle called the chloroplast. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which structure in plant cells is the site of photosynthesis? A) Mitochondria. B) Chloroplasts. C) Cell wall. D) Cytoplasm. Show Answer Correct Answer: B) Chloroplasts. 19. Are like flattened sacks that are stacked side by side A) Endoplasmic reticulum (ER). B) Mitochondria. C) Ribosomes. D) None of the above. Show Answer Correct Answer: A) Endoplasmic reticulum (ER). 20. What distinguishes rough ER from smooth ER? A) Size and shape. B) Ability to synthesize lipids. C) Presence of ribosomes. D) Presence of DNA. Show Answer Correct Answer: C) Presence of ribosomes. 21. Cheek cells do not have A) Golgi bodies. B) Plastids. C) Cell membrane. D) Nucleus. Show Answer Correct Answer: B) Plastids. 22. Cytoplasm is surrounding by a thin covering called. A) Plasma Membrane. B) Cell Membrane. C) Both a and b. D) None of these. Show Answer Correct Answer: C) Both a and b. 23. What is the cell wall of a plant made up of? A) Cells. B) Cellulose. C) Amoeba. D) Nucleus. Show Answer Correct Answer: B) Cellulose. 24. ..... cell has a big central vacuole. A) Animal. B) White blood. C) Bacterial. D) Plant. Show Answer Correct Answer: D) Plant. 25. What does the mitochondrion do for the cell as a whole? * A) It cleans the cell. B) It converts energy in food to ATP. C) It controls the cell. D) It protects the cell with a stiff structure. Show Answer Correct Answer: B) It converts energy in food to ATP. ← 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 10Class 8 Science Chapter 8 Cell Structure And Functions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books