This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 57 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 57 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the three germ layers in the embryo? A) Ectoderm, Mesoderm, Endoderm. B) Epidermis, Dermis, Hypodermis. C) Xylem, Phloem, Cambium. D) Epithelial, Connective, Muscle. Show Answer Correct Answer: A) Ectoderm, Mesoderm, Endoderm. 2. During a biology class, Liam, Priya, and Kai were discussing the basic structural unit of all living organisms. What is it? A) Atom. B) Molecule. C) Cell. D) Organ. Show Answer Correct Answer: C) Cell. 3. Which of the following best describes the role of mitochondria in a cell? A) They store water and nutrients. B) They generate energy in the form of ATP. C) They control cell division. D) They synthesize lipids. Show Answer Correct Answer: B) They generate energy in the form of ATP. 4. They carry ..... and help in inheritance or transfer of characters from the parents to the offspring. The chromosomes can be seen only when the cell divides. A) Cytoplasm. B) Genes. C) All the above. D) None of the above. Show Answer Correct Answer: B) Genes. 5. Holds the genetic information (DNA) for the cell. It controls all cell activities. A) Lysosome. B) Nucleus. C) Ribosome. D) Mitochondria. Show Answer Correct Answer: B) Nucleus. 6. What is the primary method of investigation mentioned for understanding living organisms? A) Physical analysis. B) Molecular analysis. C) Genetic analysis. D) Cellular analysis. Show Answer Correct Answer: B) Molecular analysis. 7. Which organelle contains enzymes that break down damaged cell parts? A) Centriole. B) Lysosomes. C) Vacuole. D) Mitochondria. Show Answer Correct Answer: B) Lysosomes. 8. How does cytokinesis differ in plant and animal cells? A) Cytokinesis only takes place in animal cells. B) Cytokinesis only takes place in plant cells. C) Plant cells form a cell plate, animal cells form a cleavage furrow. D) Animal cells form a cell plate, plant cells form a cleavage furrow. Show Answer Correct Answer: C) Plant cells form a cell plate, animal cells form a cleavage furrow. 9. The cytoplasm A) Is the gel-like fluid that holds other organelles in place. B) Breaks down food to produce energy for the cell. C) Is known as the "brain" of the cell. D) Is where photosynthesis takes place. Show Answer Correct Answer: A) Is the gel-like fluid that holds other organelles in place. 10. Fundamental concept of biology that states that all living things are composed of cells A) Cell Membrane. B) Cell Wall. C) Cell Theory. D) Cell Hypothesis. Show Answer Correct Answer: C) Cell Theory. 11. Which of the following is a function of the nucleus? A) Protein synthesis. B) Photosynthesis. C) Storing genetic material. D) Lipid production. Show Answer Correct Answer: C) Storing genetic material. 12. Jelly-like substance the cell organelles float in A) Cytoplasm. B) Protoplasm. C) Nucleus. D) Nucleolus. Show Answer Correct Answer: A) Cytoplasm. 13. What is the main function of mitochondria? A) Photosynthesis. B) Respiration. C) Transport. D) Support. Show Answer Correct Answer: B) Respiration. 14. Name of the small spherical body in the Nucleus? A) Genes. B) Organelles. C) Nuclear Membrane. D) Nucleolus. Show Answer Correct Answer: D) Nucleolus. 15. Amoeba changes its shape to move or catch food by forming ..... A) Cytoplasm. B) Chloroplast. C) WBC. D) Pseudopodia. Show Answer Correct Answer: D) Pseudopodia. 16. The organelle of the cell that serves as the site of protein synthesis? A) Ribosome. B) Vesicle. C) Golgi apparatus. D) Nucleolus. Show Answer Correct Answer: A) Ribosome. 17. Smallest unit of life, all livings things are made of cells, and preexisting cells describes what A) Animals. B) Cell Theory. C) Nucleus. D) Organelle. Show Answer Correct Answer: B) Cell Theory. 18. Plant cells are capable of making their own food by photosynthesis. What specialized organelle do they have for capturing the energy from sunlight? A) Cell membrane. B) Cell wall. C) Chloroplast. D) Mitochondrion. Show Answer Correct Answer: C) Chloroplast. 19. Which instrument is essential for the study of cells? A) Microscope. B) Anemometer. C) Bolometer. D) Kaliedoscope. Show Answer Correct Answer: A) Microscope. 20. What has the Rough ER attached to it? A) Nucleolus. B) Golgi apparatus. C) Ribosomes. D) Chromosomes. Show Answer Correct Answer: C) Ribosomes. 21. Which scientist is credited with coining the term "cell" after observing cork under a microscope? A) Robert Hooke. B) Anton van Leeuwenhoek. C) Matthias Schleiden. D) Theodor SchwannTagsVA.LS.2.a. Show Answer Correct Answer: A) Robert Hooke. 22. Gel-like substance between organelles A) Chloroplast. B) Cell wall. C) Cytoplasm. D) Cell membrane. Show Answer Correct Answer: C) Cytoplasm. 23. What is the result of mitosis in terms of chromosome number in the daughter cells? A) The chromosome number is halved. B) The chromosome number is doubled. C) The chromosome number remains the same. D) The chromosome number is tripled. Show Answer Correct Answer: C) The chromosome number remains the same. 24. Which phrase describes passive transport? A) Requires transport proteins. B) Requires no energy from the cell. C) Requires isotonic solution. D) Requires facilitation by enzymes. Show Answer Correct Answer: B) Requires no energy from the cell. 25. Which of the following is the sac-like structure involved in secretion, plasma membrane repair, cell signaling, and energy metabolism? A) ER. B) Lysosome. C) Vacuole. D) Vesicle. Show Answer Correct Answer: B) Lysosome. ← 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