This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In what ways are chloroplasts and mitochondria alike? A) They function to provide energy to the cell. B) They each contain their own DNA and ribosomes. C) They can both reproduce by splitting in half. D) All of the above are correct for both. Show Answer Correct Answer: D) All of the above are correct for both. 2. What is the main function of carbohydrates in cells? A) Store genetic information. B) Provide energy. C) Catalyze reactions. D) Form cell membranes. Show Answer Correct Answer: B) Provide energy. 3. In a eukaryotic cell, the perinuclear space is continuous with the lumen of: A) Vacoule. B) Golgi complex. C) Endoplasmic reticulum. D) Chromosomes. Show Answer Correct Answer: C) Endoplasmic reticulum. 4. Organelles that transport substances from one area of a cell to another area of a cell are called ..... * A) Golgi bodies. B) Lysosomes. C) Vesicles. D) Mitochondria. Show Answer Correct Answer: C) Vesicles. 5. Human cheek cells are commonly stained with A) Methylene blue. B) Safranin. C) Acetocarmine. D) Eosine. Show Answer Correct Answer: A) Methylene blue. 6. Which organelle produces most of the energy the cell needs to carry out its functions? A) Ribosome. B) Mitochondria. C) Chloroplast. D) Lysosome. Show Answer Correct Answer: B) Mitochondria. 7. Directions-(Q.23-Q.30) Identify the organelle.1- "I am the control center of the cell and I carry the genetic material" A) Protoplasm. B) Cell Membrane. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: C) Nucleus. 8. Which of the following is the largest cell on the Earth A) Hen's Egg. B) Crocodile Egg. C) Ostrich Egg. D) Eagle Egg. Show Answer Correct Answer: C) Ostrich Egg. 9. What is the primary function of the rough endoplasmic reticulum in a cell? A) Lipid synthesis. B) Energy production. C) Protein synthesis. D) Genetic information storage. Show Answer Correct Answer: C) Protein synthesis. 10. Select the mismatch pair. A) Centriole Formation of cilia. B) Lysosomes Extracellular digestion. C) Secondary cell wall Cutin. D) Microtubules Internal cell motion. Show Answer Correct Answer: C) Secondary cell wall Cutin. 11. A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP is called ..... A) Respiration. B) Unicellular respiration. C) Cellular respiration. D) Mitochondria. Show Answer Correct Answer: C) Cellular respiration. 12. Which distinguishes a prokaryotic cell from a eukaryotic cell? A) Prokaryotic cells have a cell wall and a nucleus. B) Prokaryotic cells have no membrane bound organelles. C) Prokaryotic cells have a centriole. D) Prokaryotic cells have no ribosomes. Show Answer Correct Answer: B) Prokaryotic cells have no membrane bound organelles. 13. This cell organelle is responsible for extracting energy from carbohydrates to form ATP A) Lysosome. B) Ribosome. C) Chloroplast. D) Mitochondrion. Show Answer Correct Answer: D) Mitochondrion. 14. Which of the following is involved in muscle contraction? A) Microfilaments. B) Microtubules. C) Intermediate Filaments. D) Radial Spokes. Show Answer Correct Answer: A) Microfilaments. 15. Predict the impact on a cell if ribosomes were non-functional. A) The cell would continue to function normally. B) The cell would be unable to produce proteins, affecting all cellular processes. C) The cell would produce excess energy. D) The cell would replicate DNA more efficiently. Show Answer Correct Answer: B) The cell would be unable to produce proteins, affecting all cellular processes. 16. Nucleus is separated from the cytoplasm by a membrane called the ..... A) Chromosome. B) Nucleolus. C) Nuclear membrane. D) None of the above. Show Answer Correct Answer: C) Nuclear membrane. 17. Plastids are in different colours A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 18. What is the role of the cytoplasm in a cell? A) To provide structural support. B) To facilitate chemical reactions. C) To store nutrients. D) To transport proteins. Show Answer Correct Answer: B) To facilitate chemical reactions. 19. Smooth Endoplasmic Reticulum (ER) A) Synthesizes and transports lipids; it does not have ribosomes. B) Produces ATP for energy. C) Involved in protein synthesis and has ribosomes. D) Transports proteins to the Golgi apparatus. Show Answer Correct Answer: A) Synthesizes and transports lipids; it does not have ribosomes. 20. Aids in cell shape and protection; not in animal cells. A) Lysosomes. B) Nucleus. C) Cell wall. D) Cytoskeleton. Show Answer Correct Answer: C) Cell wall. 21. What is the function of lysosomes in a cell? A) Synthesis of proteins. B) Digestion of waste materials and cellular debris. C) Regulation of cell division. D) Production of energy for the cell. Show Answer Correct Answer: B) Digestion of waste materials and cellular debris. 22. 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) Heat release. B) Gas exchange. C) Carbohydrate absorption. D) Osmotic pressure regulation. Show Answer Correct Answer: B) Gas exchange. 23. An organism whose cells do not contain a nucleus A) Eukaryote. B) Prokaryote. C) Chromatin. D) Cytoplasm. Show Answer Correct Answer: B) Prokaryote. 24. Just like Coke is a type of soda, ..... is a type of ..... A) Diffusion, osmosis. B) Concentration, equilibrium. C) Equilibrium, concentration. D) Osmosis, diffusion. Show Answer Correct Answer: D) Osmosis, diffusion. 25. 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. ← 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