This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Additional layer around the outside of plant cells made from cellulose that protect and give shape A) Cell Wall. B) Chloroplast. C) Cell Membrane. D) Golgi Complex. Show Answer Correct Answer: A) Cell Wall. 2. The first stage of the cell cycle that takes place before cell division occurs, during which a cell grows and makes a copy of its DNA A) Anaphase. B) Cytokinesis. C) Mitosis. D) Interphase. Show Answer Correct Answer: D) Interphase. 3. A typical plant cell is rectangular in shape. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. If the ocular/eyepiece magnification is (10X) and objective lens is (10X), what is the total magnification on medium power? A) 4. B) 40. C) 100. D) 400. Show Answer Correct Answer: C) 100. 5. Lysosomes that are found in animal cells are like the "trash bags" of the cell because they A) Move materials throughout the cell. B) Release digestive enzymes that break down worn-out and damaged organelles and waste material in the cell. C) Make food for the cell. D) Make proteins for the cell. Show Answer Correct Answer: B) Release digestive enzymes that break down worn-out and damaged organelles and waste material in the cell. 6. Main producer of ATP in all eukaryotes A) Chloroplast. B) Mitochondria. C) Lysosome. D) Smooth er. Show Answer Correct Answer: B) Mitochondria. 7. What do all cells have in common? A) Flagella. B) Chloroplasts. C) A cell membrane, cytoplasm, and DNA. D) A nucleus. Show Answer Correct Answer: C) A cell membrane, cytoplasm, and DNA. 8. Hannah is studying cell biology and wants to know the main function of the endoplasmic reticulum. Can you help her? A) Generating energy. B) Breaking down molecules. C) Synthesizing proteins. D) Regulating molecular transport. Show Answer Correct Answer: C) Synthesizing proteins. 9. Grace is building a model city and wants to make sure the buildings stand tall and keep their shape, just like cells do. What part of a cell acts like the framework that provides shape, support, and strength to BOTH animal and plant cells? A) Cytoskeleton. B) Cell membrane. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: A) Cytoskeleton. 10. A researcher notices that a certain cell can survive in both high and low salt concentrations. What cellular process is most likely helping the cell maintain its internal balance? A) Photosynthesis. B) Cellular transport (osmosis and diffusion). C) Cell division. D) Protein synthesisTagsVA.LS.2.e. Show Answer Correct Answer: B) Cellular transport (osmosis and diffusion). 11. Often referred to as the "powerhouse. A) Mitochondria. B) Endoplasmic reticulum (ER). C) Ribosomes. D) None of the above. Show Answer Correct Answer: A) Mitochondria. 12. Which of the following is not the role of the Lysosome? A) Destroying harmful bacteria. B) Transporting protein. C) Digesting damaged organelles. D) Recycling materials within a cell. Show Answer Correct Answer: B) Transporting protein. 13. Who was the first scientist who discovered cell A) Robert Hook. B) Anton Van Leeuwehook. C) Robert Clive. D) Robert Hooke. Show Answer Correct Answer: D) Robert Hooke. 14. Looking at a cell under a microscope, you note that it is a prokaryote. How did you know? A) Has a mitochondrion. B) Lack of water. C) Lack of nucleus. D) Has a round shape. Show Answer Correct Answer: C) Lack of nucleus. 15. Who discovered cell and when? A) Robert Hooke, 1775 BCE. B) Robert Hooke, 1654 BCE. C) Robert Hooke, 1665 BC. D) Robert Hooke, 1665 BCE. Show Answer Correct Answer: D) Robert Hooke, 1665 BCE. 16. Which of the following is a difference between mitosis and meiosis? A) Mitosis produces four cells, meiosis produces two. B) Mitosis produces identical cells, meiosis produces genetically different cells. C) Mitosis occurs only in plants, meiosis only in animals. D) Mitosis involves two divisions, meiosis involves one. Show Answer Correct Answer: B) Mitosis produces identical cells, meiosis produces genetically different cells. 17. What is the role of the Golgi apparatus? A) The Golgi apparatus detoxifies harmful substances. B) The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids. C) The Golgi apparatus is responsible for DNA replication. D) The Golgi apparatus is involved in energy production. Show Answer Correct Answer: B) The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids. 18. Cell Membrane A) Monolayer with no proteins. B) Bilayer with embedded proteins. C) Triple layer with carbohydrates. D) Single layer with cholesterol. Show Answer Correct Answer: B) Bilayer with embedded proteins. 19. Where are vesicles found? A) Only in plant cells. B) Only in animal cells. C) In both plant and animal cells. D) Only in the Golgi Apparatus. Show Answer Correct Answer: C) In both plant and animal cells. 20. Olivia is helping her friend Mia clean a fish tank. She notices that the water fills all the space between the decorations and wonders what the fluid/liquid substance is called that fills the cell, occupying all the space between organelles. A) Cytoplasm. B) Nucleus. C) Mitochondria. D) Ribosome. Show Answer Correct Answer: A) Cytoplasm. 21. Genes are located in A) Chrpmosomes. B) Plastids. C) Cytoplasm. D) Lysosome. Show Answer Correct Answer: A) Chrpmosomes. 22. What large macromolecule does not dissolve in water? A) Lipid. B) Carbohydrate. C) Organelle. D) Nucleic Acid. Show Answer Correct Answer: A) Lipid. 23. Which of the following best describes the structure of a prokaryotic cell? A) Has a nucleus and membrane-bound organelles. B) Lacks a nucleus and membrane-bound organelles. C) Has only mitochondria. D) Contains chloroplasts. Show Answer Correct Answer: B) Lacks a nucleus and membrane-bound organelles. 24. A tiny cell structure that carries out a specific function within a cell. A) Organelle. B) Cell. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: A) Organelle. 25. Which statement about Plastids is incorrect? A) Amyloplasts store fats and oils. B) Aleuroplasts store proteins. C) Chromoplasts contain carotene and xanthophyll. D) Leucoplasts are colourless plastids. Show Answer Correct Answer: A) Amyloplasts store fats and oils. ← 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