This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these is multicellular? A) Paramecium. B) Amoeba. C) Bacteria. D) Mushroom. Show Answer Correct Answer: B) Amoeba. 2. Which organelle stores genetic information? A) Chloroplasts. B) Cell Membrane. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: C) Nucleus. 3. What is the function of the nucleolus in a eukaryotic cell? A) To produce ribosomal RNA. B) To store nutrients. C) To conduct photosynthesis. D) To regulate the cell cycle. Show Answer Correct Answer: A) To produce ribosomal RNA. 4. Noah has been infected with streptococcus bacteria. Which of the following best describes the infecting cells? A) These cells lack a nucleus. B) These cells contain numerous mitochondria. C) These cells contain extra thick plasma membranes for protection. D) These cells are equipped with specialized enzymes designed for dismantling cell walls. Show Answer Correct Answer: A) These cells lack a nucleus. 5. Which of the following is NOT a physiological process mentioned in the text? A) Photosynthesis. B) Digestion. C) Memory. D) Excretion. Show Answer Correct Answer: A) Photosynthesis. 6. Arjun is working in a laboratory where he observes scientists studying how cells make proteins. He notices that there are tiny packets made of RNA and protein that are responsible for assembling proteins. What are these packets called? A) Ribosome. B) Endoplasmic Reticulum. C) Golgi Apparatus. D) Mitochondria. Show Answer Correct Answer: A) Ribosome. 7. Aria is studying plant cells and wants to know the function of the vacuole in them. What is its primary function? A) Production of energy through photosynthesis. B) Transport of nutrients and water. C) Protection against pathogens and predators. D) Storage of water, nutrients, and waste products. Show Answer Correct Answer: D) Storage of water, nutrients, and waste products. 8. A sac like organelle that stores water, food, and other matter A) Vacuole. B) Lysosome. C) Cytoplasm. D) Cell wall. Show Answer Correct Answer: A) Vacuole. 9. Bacteria is a type of A) Prokaryotic Cell. B) Eukaryotic Cell. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryotic Cell. 10. What is the main function of ribosomes? A) To manufacture proteins. B) To store food and enzymes. C) To modify and package proteins. D) To produce energy. Show Answer Correct Answer: A) To manufacture proteins. 11. Which of the following processes is responsible for the movement of water across a cell membrane? A) Active transport. B) Osmosis. C) Endocytosis. D) Exocytosis. Show Answer Correct Answer: B) Osmosis. 12. Describe the function of the cell membrane. A) The cell membrane is responsible for protein synthesis. B) The cell membrane provides energy for cellular processes. C) The cell membrane regulates the movement of substances in and out of the cell. D) The cell membrane stores genetic information. Show Answer Correct Answer: C) The cell membrane regulates the movement of substances in and out of the cell. 13. What is the main function of the cell wall in plant cells? A) Transporting molecules. B) Protein synthesis. C) Providing structural support. D) Energy production. Show Answer Correct Answer: C) Providing structural support. 14. What answer shows the proper pathway of protein transport from beginning to end. A) Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle, cell membrane. B) Rough ER, nucleus, cell membrane, secretory vesicle, transport vesicle, golgi body. C) Cell Membrane, Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle. D) Secretory Vesicle, Nucleus, Rough ER, transport vesicle, Golgi Body, Cell Membrane. Show Answer Correct Answer: A) Nucleus, Rough ER, transport vesicle, Golgi Body, secretory vesicle, cell membrane. 15. Which of these biologists put forward the cell theory of life? A) Mathias Schleiden & Theodor Schwann. B) Robert Hooke & Mathias Schleiden. C) Theodor Schwann & Robert Hooke. D) None of these. Show Answer Correct Answer: A) Mathias Schleiden & Theodor Schwann. 16. Who discovered the nucleus in the cell? A) Leeuwenhoek. B) Brown. C) Purkinjee. D) Schwann. Show Answer Correct Answer: B) Brown. 17. CELLS CAN BE OBSERVED IN THE LEAF PEEL OF A) CARROT. B) TOMATO. C) RHOEA. D) NONE OF THESE. Show Answer Correct Answer: C) RHOEA. 18. Function of the cell membrane to allow substances to flow freely through, in and out of the cell. A) Permeable. B) Impermeable. C) Semi-permeable. D) None of the above. Show Answer Correct Answer: A) Permeable. 19. The powerhouse of the cell is the ..... It converts energy from food into energy the cell can use A) Mitochondrion. B) Golgi body. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: A) Mitochondrion. 20. Cholesterol is which type of macromolecule A) Carbohydrate. B) Lipid. C) Nucleic acid. D) Protein. Show Answer Correct Answer: B) Lipid. 21. Which organelle is responsible for detoxifying harmful substances in a cell? A) Endoplasmic reticulum. B) Lysosome. C) Golgi apparatus. D) Peroxisome. Show Answer Correct Answer: D) Peroxisome. 22. Which process occurs in the chloroplasts of plant cells? A) Cellular respiration. B) Photosynthesis. C) Protein synthesis. D) DNA replication. Show Answer Correct Answer: B) Photosynthesis. 23. A man has ..... no. of chromosomes A) 46. B) 45. C) 78. D) 32. Show Answer Correct Answer: A) 46. 24. Which best describes rough ER? A) Studded with ribosomes. B) Protected by vesicles. C) Connected to Golgi Apparatus. D) Stored in the vacuole. Show Answer Correct Answer: A) Studded with ribosomes. 25. Thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell A) Cell Wall. B) Cell Membrane. C) Nucleus. D) Golgi apparatus. Show Answer Correct Answer: B) Cell Membrane. ← 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