This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 61 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 61 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Most of the cell's energy is produced within these rod-shaped organelles. This organelle is considered the "powerhouse" of the cell. A) Ribosomes. B) Mitochondria. C) Vacuole. D) Endoplasmic reticulum. Show Answer Correct Answer: B) Mitochondria. 2. A cell is observed to have a cell membrane, cytoplasm, and ribosomes, but no nucleus. Which of the following best describes this cell? A) Eukaryotic cell. B) Prokaryotic cell. C) Plant cell. D) Animal cell. Show Answer Correct Answer: B) Prokaryotic cell. 3. What role do lysosomes play in the cell? A) Energy production. B) Protein synthesis. C) Digestion of cellular waste. D) Photosynthesis. Show Answer Correct Answer: C) Digestion of cellular waste. 4. Protein Synthesis A) Of creating protein molecules. B) Of breaking down protein molecules. C) Of storing protein molecules. D) Of transporting protein molecules. Show Answer Correct Answer: A) Of creating protein molecules. 5. This fluid in the cell is where the organelles are found. It contains water and chemicals the cell needs. A) Blood. B) Cytoplasm. C) Plasma. D) None of the above. Show Answer Correct Answer: B) Cytoplasm. 6. Cells were discovered by ..... in ..... year? A) Mathias Schleiden, 1666. B) Theodor Schwann, 1667. C) Robert Hooke, 1665. D) Lan Wilmut, 1668. Show Answer Correct Answer: C) Robert Hooke, 1665. 7. The nucleus is like the ..... of the cell. A) Foot. B) Hand. C) Stomach. D) Brain. Show Answer Correct Answer: D) Brain. 8. How does the endoplasmic reticulum contribute to cell function? A) It stores energy. B) It assists in the production and transport of proteins and lipids. C) It provides structural support. D) It controls cell division. Show Answer Correct Answer: B) It assists in the production and transport of proteins and lipids. 9. A series of folded membranes from the nucleus to the cell membrane that produce, package and transport proteins through the cell; may or may not have ribosomes on its surface. A) Golgi bodies. B) Endoplasmic reticulum. C) Lysosomes. D) Vacuoles. Show Answer Correct Answer: B) Endoplasmic reticulum. 10. What is the role of the plasma membrane in cellular transport? A) The plasma membrane only transports water and does not regulate other substances. B) The plasma membrane allows all substances to pass freely without regulation. C) The plasma membrane is impermeable and does not facilitate any transport. D) The plasma membrane controls cellular transport by being selectively permeable, regulating the entry and exit of substances. Show Answer Correct Answer: D) The plasma membrane controls cellular transport by being selectively permeable, regulating the entry and exit of substances. 11. How do lysosomes contribute to cellular function? A) Lysosomes produce energy for the cell. B) Lysosomes are involved in protein synthesis. C) Lysosomes store genetic information. D) Lysosomes contribute to cellular function by digesting waste and recycling cellular components. Show Answer Correct Answer: D) Lysosomes contribute to cellular function by digesting waste and recycling cellular components. 12. Which of the following is NOT TRUE about cells? A) There are many different types with different structures and functions. B) In humans, the nucleus is usually bright red and the mitochondria are bright blue. C) They are microscopic. D) Eukaryotic and Prokaryotic are examples. Show Answer Correct Answer: B) In humans, the nucleus is usually bright red and the mitochondria are bright blue. 13. What cell would make up a small patch of grass? A) Animal. B) Plant. C) Both animal and plant. D) Neither animal nor plant. Show Answer Correct Answer: B) Plant. 14. Which of the following best describes the structure of the cell membrane? A) A single layer of phospholipids with embedded proteins. B) A double layer of phospholipids with embedded proteins. C) A single layer of proteins with embedded phospholipids. D) A double layer of proteins with embedded phospholipidsTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) A double layer of phospholipids with embedded proteins. 15. The Golgi apparatus is what packages ..... onto vesicles in a eukaryotic cell. A) Sugars. B) Oxygen. C) Proteins. D) Water. Show Answer Correct Answer: C) Proteins. 16. Which of the following is the only cell organelle that is capable of converting light energy into chemical energy? A) Vacuole. B) Mitochondrion. C) Chloroplast. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Chloroplast. 17. Cell is discovered by A) Robert Brown. B) Robert Hooke. C) John Mendal. D) Charse Darwin. Show Answer Correct Answer: B) Robert Hooke. 18. Which of the following is a saclike structure that stores water? A) Golgi apparatus. B) Nucleus. C) Vacuole. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Vacuole. 19. Which cells are the smallest cells in human body? A) Red blood cells. B) White blood cells. C) Nerve cells. D) Brain cells. Show Answer Correct Answer: A) Red blood cells. 20. Which of the following cells can change its shape. A) White blood cell. B) Egg cell. C) Red blood cell. D) None of the above. Show Answer Correct Answer: A) White blood cell. 21. Which organelle is responsible for making ATP by breaking down glucose? A) Ribosomes. B) Chloroplasts. C) Golgi Body. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 22. Size of PPLO A) 0.1 Micron. B) 1 Micron. C) 10 Micron. D) 0.01 Micron. Show Answer Correct Answer: A) 0.1 Micron. 23. The microscope used by Robert Hooke was A) Simple microscope. B) Compound microscope. C) Light microscope. D) Both B and C. Show Answer Correct Answer: A) Simple microscope. 24. Aiden is helping his younger sister understand how our bodies break down the food we eat. He explains that when we eat a sandwich, the body adds water to help split (or break down) the larger molecules in the bread and cheese during digestion. What is this process called? A) Hydrolysis. B) Condensation. C) Oxidation. D) Reduction. Show Answer Correct Answer: A) Hydrolysis. 25. Which statement is NOT part of the Cell Theory? A) Only animals are made of cells. B) Cells are the basic unit of structure and function in all living things. C) All living things are made of cells. D) New cells come from existing cells. Show Answer Correct Answer: A) Only animals are made of cells. ← 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