This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a hypotonic solution, the concentration of solutes outside the cell is lower than the A) Concentration of fluids in the membrane. B) Concentration of osmosis. C) Concentration of diffusion in the membrane. D) Concentration of solutes inside the cell. Show Answer Correct Answer: D) Concentration of solutes inside the cell. 2. The basic structural & functional unit of life is called ..... A) Cell. B) Egg. C) Nucleus. D) None of the above. Show Answer Correct Answer: A) Cell. 3. The cell membrane A) Regulates what enters/leaves cell. B) Helps maintain homeostasis. C) Keeps contents of cell in place. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. The ..... is a membrane-bound organelle, which contains the cell's DNA. A) Nucleus. B) Cytoplasm. C) Mitochondria. D) None of these. Show Answer Correct Answer: A) Nucleus. 5. Which year was cells found? A) 1954. B) 1955. C) 1664. D) 1665. Show Answer Correct Answer: D) 1665. 6. This structure regulates the passage of water, food and waste into and out of the cell. A) Nucleus. B) Vacuole. C) Cytoplasm. D) Cell membrane. Show Answer Correct Answer: D) Cell membrane. 7. Semi-permeable means A) Some things can pass through, other things can't. B) The concentration levels are different. C) Partially permanent. D) All things can pass through. Show Answer Correct Answer: A) Some things can pass through, other things can't. 8. Rough Endoplasmic Reticulum (ER) A) Synthesizes and transports lipids and membrane proteins; it has ribosomes. B) Synthesizes carbohydrates and stores energy. C) Transports oxygen in the blood. D) Produces ATP through cellular respiration. Show Answer Correct Answer: A) Synthesizes and transports lipids and membrane proteins; it has ribosomes. 9. I contain the pigment Chlorophyll. A) Chloroplast. B) Mitochondria. C) Chloroplast + Mitochondria. D) None of the above. Show Answer Correct Answer: A) Chloroplast. 10. What are the four main types of cells? A) Epithelial, connective, muscle, nerve. B) Prokaryotic, eukaryotic, unicellular, multicellular. C) Plant, animal, bacteria, fungi. D) Blood, bone, cartilage, muscle. Show Answer Correct Answer: A) Epithelial, connective, muscle, nerve. 11. What is the function of mitochondria? A) Energy production. B) Protein synthesis. C) Storage of genetic material. D) Cell division. Show Answer Correct Answer: A) Energy production. 12. Which macromolecule can be found in long thin chains that can be broken down into energy and layered sheets that provide structural support? A) Nucleic Acids. B) Proteins. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: C) Carbohydrates. 13. Is involved in the transport of proteins. A) Ribosomes. B) Endoplasmic reticulum (ER). C) Mitochondria. D) None of the above. Show Answer Correct Answer: B) Endoplasmic reticulum (ER). 14. All cells have ..... A) Ribosomes. B) DNA. C) Cell membrane. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. Identify the process by which cells release energy from glucose in the absence of oxygen. A) Osmosis. B) Photosynthesis. C) Aerobic respiration. D) Fermentation. Show Answer Correct Answer: D) Fermentation. 16. Typically, graphs are made with the ..... variable on the X (horizontal) axis and the ..... variable on the Y (vertical) axis. A) Dependent; control. B) Dependent; independent. C) Independent; dependent. D) Independent; control. Show Answer Correct Answer: C) Independent; dependent. 17. The plasma membrane of a cell consists of two layers of A) Nucleic acids. B) Phospholipids. C) Carbohydrates. D) Lysosomes. Show Answer Correct Answer: B) Phospholipids. 18. Explain how the cell theory has evolved over time. A) It was developed by a single scientist. B) It has remained unchanged since its inception. C) It has been modified as new discoveries were made. D) It was only relevant in the 19th century. Show Answer Correct Answer: C) It has been modified as new discoveries were made. 19. The smallest cell is ..... to ..... micrometer A) 00.1, 00.13. B) 0.1, 0.5. C) All the above. D) None of the above. Show Answer Correct Answer: B) 0.1, 0.5. 20. Substance produced by ribosomes. A) MITOCHONDRION. B) SMOOTH. C) ROUGH. D) PROTEIN. Show Answer Correct Answer: D) PROTEIN. 21. Nuclear membrane. allows materials to go into and out of the nucleus through the nuclear pores. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Which of the following cell organelle has genetic material and helps to control several function within the cell? A) Lysosome. B) Nucleus. C) Ribosome. D) Mitochondrion. Show Answer Correct Answer: B) Nucleus. 23. A tadepole's tail is gradually broken-down during metamorphosis into an adult frog. Which organelle increase in the cells of the tail at that time? A) Centriole. B) Endoplasmic reticulum. C) Golgi complex. D) Lysosomes. Show Answer Correct Answer: D) Lysosomes. 24. Which structure makes proteins? A) Mitochondria. B) Nucleus. C) Ribosome. D) Lysosome. Show Answer Correct Answer: C) Ribosome. 25. Which of the following is the correct order of levels of biological organization from simplest to most complex? A) Cell, tissue, organ, organ system, organism. B) Tissue, cell, organ, organ system, organism. C) Organ, tissue, cell, organ system, organism. D) Cell, organ, tissue, organ system, organism. Show Answer Correct Answer: A) Cell, tissue, organ, organ system, organism. ← 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