This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Cell Structure And Functions > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms? A) Osmotic pressure regulation. B) Carbohydrate absorption. C) Gas exchange. D) Heat release. Show Answer Correct Answer: C) Gas exchange. 2. An organism whose cells do not contain a nucleus A) Prokaryote. B) Cytoplasm. C) Eukaryote. D) Chromatin. Show Answer Correct Answer: A) Prokaryote. 3. Just like Coke is a type of soda, ..... is a type of ..... A) Osmosis, diffusion. B) Diffusion, osmosis. C) Equilibrium, concentration. D) Concentration, equilibrium. Show Answer Correct Answer: A) Osmosis, diffusion. 4. What is one of the outcomes of studying physiological processes? A) Understanding non-living systems. B) Explaining abnormal processes in diseases. C) Describing chemical reactions only. D) Identifying physical structures. Show Answer Correct Answer: B) Explaining abnormal processes in diseases. 5. You cannot see a single bacterium with your eyes alone. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What is the structure of the endoplasmic reticulum? A) Solid mass of cells. B) Network of membranes and tubules. C) Hollow cavity with no structure. D) Single large membrane. Show Answer Correct Answer: B) Network of membranes and tubules. 7. Plants with green leaves have special organelles called chloroplasts A) Cell wall. B) Chloroplasts. C) Chlorophyll. D) None of the above. Show Answer Correct Answer: B) Chloroplasts. 8. Motor proteins provide for molecular motion in cells by interacting with what types of cellular structures? A) Sites of energy production in cellular respiration. B) Membrane proteins. C) Ribosomes. D) Cytoskeleton. E) Cellulose fibers in the cell wall. Show Answer Correct Answer: D) Cytoskeleton. 9. Why is it important to wash our hands according to the passage? A) To prevent diseases caused by harmful microorganisms. B) To remove visible dirt. C) To keep hands moisturized. D) To avoid allergies. Show Answer Correct Answer: A) To prevent diseases caused by harmful microorganisms. 10. Name one example of Tissue A) Nerve Tissue. B) Lung. C) Stomach. D) None Of Above. Show Answer Correct Answer: A) Nerve Tissue. 11. Where is DNA found inside a eukaryotic cell? A) Cytoplasm. B) Golgi apparatus. C) Endoplasmic reticulum. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 12. A fungi which is a rich source of protein A) Tofu. B) Mushroom. C) Aspergillus. D) Chlamydomonas. Show Answer Correct Answer: B) Mushroom. 13. Which of the following differences between plant cells and animal cells is incorrect? A) Cell wall is present in plant cells but absent in animal cells. B) Plastids are present in plant cells but absent in animal cells. C) Vacuoles are smaller in plant cells but larger in animal cells. D) All the differences are correct. Show Answer Correct Answer: C) Vacuoles are smaller in plant cells but larger in animal cells. 14. What is the cytoplasm composed of? A) Cytosol and organelles. B) Nucleus and ribosomes. C) Cell membrane and nucleus. D) Mitochondria and ER. Show Answer Correct Answer: A) Cytosol and organelles. 15. Unlike a eukaryotic cell, a prokaryotic cell does not have A) Cytoplasm. B) DNA. C) A cell membrane. D) A nucleus. Show Answer Correct Answer: D) A nucleus. 16. Directions-(Q.23-Q.30) Identify the organelle.2- "I am the jelly-like fluid present in the cell. All the chemical reactions occur here, and all the organelles are suspended in me" A) Nucleoplasm. B) Nucleolus. C) Cytoplasm. D) Cell Membrane. Show Answer Correct Answer: C) Cytoplasm. 17. What is the main function of lysosomes in the cell? A) To produce proteins. B) To transport substances. C) To break down and recycle cell parts. D) To package proteins. Show Answer Correct Answer: C) To break down and recycle cell parts. 18. The process by which a protein channel allows molecules to cross the cell membrane is called A) Active transport. B) Nucleus. C) Diffusion. D) Osmosis. Show Answer Correct Answer: A) Active transport. 19. The jelly like substance present between the Nucleus and the Cell Membrane A) Protoplasm. B) Nucleolus. C) Cytoplasm. D) Chlorophyll. Show Answer Correct Answer: C) Cytoplasm. 20. Which type of connective tissue acts as an energy reserve and provides cushioning to organs? A) Adipose tissue. B) Tendons. C) Blood. D) Bone tissue. Show Answer Correct Answer: A) Adipose tissue. 21. Cartilage-producing cells occupy small cavities in cartilage called ..... , while bone-producing cells occupy cavities in bone called ..... A) Lacunae; lacunae. B) Lamellae; lacunae. C) Lacunae; Haversian canals. D) Canaliculi; Haversian canals. Show Answer Correct Answer: A) Lacunae; lacunae. 22. Where is smooth muscle tissue commonly found in the body? A) Heart. B) Lungs. C) Walls of hollow organs. D) Skeletal muscles. Show Answer Correct Answer: C) Walls of hollow organs. 23. Which organelles can use energy from sunlight to create energy-rich food molecules? A) Vacuoles. B) Golgi apparati. C) Choropasts. D) Lysosomes. Show Answer Correct Answer: C) Choropasts. 24. What type of cells are prokaryotic cells? A) Cells that are multicellular. B) Cells with a nucleus. C) Cells without a nucleus. D) Cells that contain organelles. Show Answer Correct Answer: C) Cells without a nucleus. 25. Predict what would happen to a cell if its mitochondria were removed. A) The cell would continue to function normally. B) The cell would lose its ability to produce energy. C) The cell would become more efficient at protein synthesis. D) The cell would divide more rapidly. Show Answer Correct Answer: B) The cell would lose its ability to produce energy. 26. The living substance of the cell A) Protoplasm. B) Nucleus. C) Cytoplasm. D) Nucleolus. Show Answer Correct Answer: A) Protoplasm. 27. Which organelle is responsible for lipid synthesis and detoxification? A) Smooth endoplasmic reticulum. B) Rough endoplasmic reticulum. C) Golgi apparatus. D) Lysosome. Show Answer Correct Answer: A) Smooth endoplasmic reticulum. 28. Thread like structures present at the cell membrane of Paramecium outside the cell A) Ribosomes. B) Rough Endoplasmic Reticulum. C) Cilia. D) Chromosomes. Show Answer Correct Answer: C) Cilia. 29. Life functions are performed at many levels of biological organization. Which level of biological organization is the simplest level at which a structure can support life functions? A) Cell. B) Tissue. C) Organ system. D) Organelle. Show Answer Correct Answer: A) Cell. 30. A ..... of a hen is represents a single cell and is big enough to be seen by the unaided eye. A) Egg. B) Feather. C) None of the above. D) None of the above. Show Answer Correct Answer: A) Egg. 31. What is a group of similar cells that work together to perform a specific function called? A) A cell group. B) A multicellular organism. C) A tissue. D) An organ. Show Answer Correct Answer: C) A tissue. 32. Solutes move with the concentration gradient, therefore no energy is used. A) Passive Transport. B) Active Transport. C) All the above. D) None of the above. Show Answer Correct Answer: A) Passive Transport. 33. Which structure and function are common to all plants and some protists and distinguish them from all animals? A) Mitochondria that conduct photosynthesis. B) Chloroplasts that conduct cellular respiration. C) Chloroplasts that conduct photosynthesis. D) Mitochondria that conduct cellular respiration. Show Answer Correct Answer: C) Chloroplasts that conduct photosynthesis. 34. Which of the following is a special type of vesicle? A) Ribosome. B) Chloroplast. C) Lysosome. D) Mitochondrion. Show Answer Correct Answer: C) Lysosome. 35. This biomolecule is the main component of the cell membrane? A) Lipids. B) Protein. C) Nucleic Acids. D) Carbohydrates. Show Answer Correct Answer: A) Lipids. 36. A cell with a cell wall, a large vacuole, and chloroplasts is a ..... A) Animal Cell. B) Mitochondria. C) Plant Cell. D) Fungi. Show Answer Correct Answer: C) Plant Cell. 37. This structure includes all the fluid and organelles contained within the cell membrane. A) Cytoskeleton. B) Cytosol. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 38. Which part of the cell is involved in protein synthesis? A) Ribosome. B) Cell Wall. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: A) Ribosome. 39. What type of approach is used to study physiological and behavioral processes? A) Descriptive approach. B) Holistic approach. C) Comparative approach. D) Reductionist approach. Show Answer Correct Answer: D) Reductionist approach. 40. Which structure is present in plant cells but not in animal cells? A) Mitochondria. B) Cell wall. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: B) Cell wall. 41. Describe the role of mitochondria in energy production. A) Mitochondria store genetic information for the cell. B) Mitochondria regulate cell division and growth. C) Mitochondria are responsible for protein synthesis. D) Mitochondria produce ATP through cellular respiration, providing energy for the cell. Show Answer Correct Answer: D) Mitochondria produce ATP through cellular respiration, providing energy for the cell. 42. Directions-(Q.23-Q.30) Identify the organelle.3- "I am the power house of the cell because I provide all the energy that a cell requires for its chemical reactions" A) Nucleus. B) Mitochondria. C) Golgi Bodies. D) Centrosome. Show Answer Correct Answer: B) Mitochondria. 43. Which organelle makes proteins? A) Vacuole. B) Ribosome. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: B) Ribosome. 44. Evaluate the impact of osmosis on plant cell turgor pressure. A) Osmosis only affects animal cells. B) Osmosis increases turgor pressure, maintaining rigidity. C) Osmosis has no effect on turgor pressure. D) Osmosis decreases turgor pressure, causing wilting. Show Answer Correct Answer: B) Osmosis increases turgor pressure, maintaining rigidity. 45. A double membrane that surrounds the nucleus in the cell A) Organelle. B) Eukaryote. C) Nuclear Envelope. D) Nucleolus. Show Answer Correct Answer: C) Nuclear Envelope. 46. Considering the four choices below, which two represent diffusion?From high to low concentrationFrom low to high concentrationUsing cellular energyWithout using cellular energy A) Low to high; using cell energy. B) High to low; using cell energy. C) Low to high:without using cell energy. D) High to low; without using cell energy. Show Answer Correct Answer: D) High to low; without using cell energy. 47. SC.6.L.14.1Which of the following is a correct sequence of levels of organization in the body? A) Atoms, cells, tissues, molecules, organ systems. B) Atoms, molecules, cells, tissues, organs. C) Atoms, organ systems, cells, organs, tissue. D) Molecules, organs, cells, tissues, organ systems. Show Answer Correct Answer: B) Atoms, molecules, cells, tissues, organs. 48. Which process is primarily responsible for the uptake of large molecules into a cell? A) Exocytosis. B) Diffusion. C) Endocytosis. D) Osmosis. Show Answer Correct Answer: C) Endocytosis. 49. Intracellular components are not found in cells of A) Prokaryotes. B) Lower plants. C) Higher plants. D) Eukaryotes. Show Answer Correct Answer: A) Prokaryotes. 50. SER (Smooth endoplasmic reticulum) is involved in ..... & ..... A) Protein, ribosomes. B) Detoxification, lipids. C) All the above. D) None of the above. Show Answer Correct Answer: B) Detoxification, lipids. 51. What is found in both plant and animal cells but is much larger in plant cells? A) Mitochondria. B) Vacuole. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: B) Vacuole. 52. What is the primary role of the smooth endoplasmic reticulum in a cell? A) Energy production. B) Lipid synthesis. C) Protein synthesis. D) DNA replication. Show Answer Correct Answer: B) Lipid synthesis. 53. Human body is made up of the same type of cell. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 54. Part of Amoeba which help in Locomotion A) Pseudopodia. B) Nucleus. C) Cell Membrane. D) None of the above. Show Answer Correct Answer: A) Pseudopodia. 55. Which organelle is responsible for packaging and transporting proteins in eukaryotic cells? A) Ribosome. B) Mitochondria. C) Lysosome. D) Golgi apparatus. Show Answer Correct Answer: D) Golgi apparatus. 56. What is an organelle? A) A large molecule that doesn't break down in water. B) A type of element. C) A type of cell. D) Specialized parts of a cell that do different jobs for the cell. Show Answer Correct Answer: D) Specialized parts of a cell that do different jobs for the cell. 57. Which plastid is responsible for storing starch in plant cells? A) Mitochondria. B) Chloroplast. C) Leucoplast. D) Chromoplast. Show Answer Correct Answer: C) Leucoplast. 58. Which structure is responsible for allowing materials into and out of the an animal cell? A) Nucleus. B) Cell wall. C) Mitochondrion. D) Cell membrane. Show Answer Correct Answer: D) Cell membrane. 59. What type of cells have a cell wall and chloroplasts? A) Plant cells. B) Animal cells. C) Plant and animal cells. D) Neither plant NOR animal cells. Show Answer Correct Answer: A) Plant cells. 60. Which phrase best describes the property of selective permeability? A) Some molecules pass. B) All ions pass. C) Large molecules pass. D) All molecules pass. Show Answer Correct Answer: A) Some molecules pass. ← PreviousNext →Related QuizzesScience QuizzesClass 8 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books