This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All organisms have a definite number of chromosomes. Human body cells A) 46. B) 48. C) 36. D) None of the above. Show Answer Correct Answer: A) 46. 2. Which organelle is responsible for producing energy in the form of ATP in a cell? A) Nucleus. B) Mitochondria. C) Ribosome. D) Chloroplast. Show Answer Correct Answer: B) Mitochondria. 3. Which of the following can be found in the cytoplasm and on the surface of the endoplasmic reticulum? A) Mitochondria. B) Centrosomes. C) Ribosomes. D) Centrioles. Show Answer Correct Answer: C) Ribosomes. 4. What is the primary function of lysosomes? A) To digest and break down waste materials. B) To transport proteins. C) To produce energy. D) To store genetic information. Show Answer Correct Answer: A) To digest and break down waste materials. 5. Which organelle is primarily responsible for energy production in the cell? A) Nucleus. B) Mitochondria. C) Ribosome. D) Golgi apparatusTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) Mitochondria. 6. Directions-(Q.23-Q.30) Identify the organelle.5- "I am colored pigment of three different types present only in plant cells and one of my type is a key component of Photosynthesis" A) Vacuole-Cell Sap, Chromoplasts, Chloroplasts. B) Plastids-Cell Sap, Chromoplasts, Chloroplasts. C) Plastids-Chromosomes, Chromoplasts, Chloroplasts. D) Plastids-Leucoplasts, Chromoplasts, Chloroplasts. Show Answer Correct Answer: D) Plastids-Leucoplasts, Chromoplasts, Chloroplasts. 7. All of the following are part of Microfilament EXCEPT: A) Actin. B) Tropomyosin. C) Tubulin. D) Troponin. Show Answer Correct Answer: C) Tubulin. 8. Nucleus was discovered by A) Robert Brown. B) Robert Whittaker. C) Robert Johnson. D) None of the above. Show Answer Correct Answer: A) Robert Brown. 9. Which of the following best explains why animal cells do not have chloroplasts? A) Animal cells do not need to store water. B) Animal cells do not perform photosynthesis. C) Animal cells do not have a nucleus. D) Animal cells do not need energyTagsVA.LS.2.c. Show Answer Correct Answer: B) Animal cells do not perform photosynthesis. 10. Which of the following organelles is long hollow, beaded tubular structure that facilitates the movement of other cell organelles within the cell through binding proteins? A) Microtubule. B) Microvilli. C) Microfilament. D) Mitochondria. Show Answer Correct Answer: A) Microtubule. 11. Which of the following is a process of life that involves breaking down food to release energy? A) Photosynthesis. B) Respiration. C) Excretion. D) Reproduction. Show Answer Correct Answer: B) Respiration. 12. Plastids A) Plants. B) Animals. C) Both. D) None of the above. Show Answer Correct Answer: A) Plants. 13. In plant cells, a large, fluid-filled space inside the cell that helps the cell maintain its shape and may also be used to store nutrients and waste products. In animal cells, small fluid spaces inside the cell that are used to store nutrients and waste products. A) Cell wall. B) Vacuole. C) Chloroplast. D) Ribosome. Show Answer Correct Answer: B) Vacuole. 14. What is the basic unit of an organism? A) Chloroplast. B) Organelle. C) Organ. D) Cell. Show Answer Correct Answer: D) Cell. 15. What is the process in which a plant makes usable energy? A) ATP. B) Cellular Respiration. C) Oxygen. D) Transmission. Show Answer Correct Answer: B) Cellular Respiration. 16. Who discoverd cell in cork? A) Robert hooke. B) Robert boyle. C) Robert koch. D) None of these. Show Answer Correct Answer: A) Robert hooke. 17. Which organelle is found in both plant and animal cells and produces energy? A) Chloroplasts. B) Mitochondria. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: B) Mitochondria. 18. What is the basic unit of life in all living organisms? A) Atom. B) Cell. C) Molecule. D) Tissue. Show Answer Correct Answer: B) Cell. 19. What substance in chloroplasts allows plants to make their own food? A) Cytoplasm. B) Cell SAP. C) Cellulose. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 20. Nucleus is separated from the Cytoplasm by A) Nuclear Membrane. B) Cell Membrane. C) Cell Wall. D) Vacuole. Show Answer Correct Answer: A) Nuclear Membrane. 21. Packages and distributes materials from the endoplasmic reticulum. A) Ribosomes. B) Golgi Apparatus. C) Cytoplasm. D) Cell membrane. Show Answer Correct Answer: B) Golgi Apparatus. 22. Small, stores waste A) Vacuole in animal cells. B) Mitochondria. C) Nucleus. D) Ribosome. Show Answer Correct Answer: A) Vacuole in animal cells. 23. Something is ..... when some molecules can cross the membrane while others cannot. A) Selectively (or Semi) Permeable. B) Totally Transparent. C) Liquid Licorice. D) Heavily Patrolled. Show Answer Correct Answer: A) Selectively (or Semi) Permeable. 24. What is the role of chloroplasts in plant cells? A) To produce energy through cellular respiration. B) To conduct photosynthesis and produce glucose. C) To store waste products. D) To synthesize proteins. Show Answer Correct Answer: B) To conduct photosynthesis and produce glucose. 25. Which part of the cell is responsible for regulating the movement of substances in and out of the cell? A) Cell wall. B) Cytoplasm. C) Cell membrane. D) Nucleus. Show Answer Correct Answer: C) Cell membrane. ← 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