This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What did he used for his experiment? A) Bark of a tree. B) Cork of a tree. C) Leaf of a tree. D) None of the above. Show Answer Correct Answer: B) Cork of a tree. 2. ..... , which are a type of xylem, are extremely efficient in conducting water. A) Sieve tube element. B) Sclereid. C) Tracheid. D) Vessel element. Show Answer Correct Answer: D) Vessel element. 3. What is the primary function of the Golgi apparatus? A) Generate energy for the cell. B) Modify, sort, and package proteins and lipids. C) Store genetic information. D) Regulate cell division. Show Answer Correct Answer: B) Modify, sort, and package proteins and lipids. 4. Biological membranes are normally permeable to: A) Large, hydrophilic molecules. B) Small, hydrophilic molecules. C) Large, hydrophobic molecules. D) Small, hydrophobic molecules. Show Answer Correct Answer: D) Small, hydrophobic molecules. 5. KenQuavious is observing a cell under a microscope. He observes a variety of membrane-bound organelles. Which of the following is a conclusion he could draw? A) The cell is a prokaryotic cell. B) The cell is a eukaryotic cell. C) The cell could be either a prokaryotic or eukaryotic cell. D) None of the above. Show Answer Correct Answer: B) The cell is a eukaryotic cell. 6. Which of the following scientists discovered cells in cork slices? A) Louis Pasteur. B) Antonie van Leeuwenhoek. C) Carl Linnaeus. D) Robert Hooke. Show Answer Correct Answer: D) Robert Hooke. 7. Small structures in the cytoplasm that do special jobs. A) Nucleus. B) Ribosomes. C) Organelles. D) Vacuoles. Show Answer Correct Answer: C) Organelles. 8. These organelles capture energy from sunlight and use it to produce food for the cell. A) Cell membrane. B) Chloroplasts. C) Cell wall. D) Ribosomes. Show Answer Correct Answer: B) Chloroplasts. 9. Benjamin, Abigail, and Arjun are studying for their biology exam. They come across a question about the organelle responsible for cellular respiration. Which organelle should they focus on? A) Ribosome. B) Mitochondria. C) Golgi apparatus. D) Cell nucleus. Show Answer Correct Answer: B) Mitochondria. 10. Control center of cell. A) ORGANELLES. B) LYSOSOMES. C) MITOCHONDRION. D) NUCLEUS. Show Answer Correct Answer: D) NUCLEUS. 11. Which of the following best explains the importance of the nucleus in a cell? A) It provides energy for the cell. B) It stores genetic information and controls cell activities. C) It synthesizes proteins. D) It digests waste materials. Show Answer Correct Answer: B) It stores genetic information and controls cell activities. 12. Which of the following best describes diffusion? A) Movement of water molecules through a semi-permeable membrane. B) Movement of particles from an area of high concentration to an area of low concentration. C) Movement of particles against the concentration gradient. D) Movement of particles from an area of low concentration to an area of high concentration. Show Answer Correct Answer: B) Movement of particles from an area of high concentration to an area of low concentration. 13. This type of cell can survive in conditions without oxygen, such as deep ocean trenches. A) Prokaryotic. B) Eukaryotic. C) Both prokaryotic and eukaryotic. D) Neither prokaryotic nor eukaryotic. Show Answer Correct Answer: A) Prokaryotic. 14. Which of the following processes involves the movement of molecules from an area of higher concentration to an area of lower concentration without the use of energy? A) Active transport. B) Facilitated diffusion. C) Osmosis. D) Simple diffusionTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: D) Simple diffusionTagsDOK Level 2:Skill/Concept. 15. What is the structure of the mitochondria? A) Double membrane structure with inner and outer membrane. B) Single membrane structure with inner and outer membrane. C) No membrane structure with only inner membrane. D) Triple membrane structure with inner, middle, and outer membrane. Show Answer Correct Answer: A) Double membrane structure with inner and outer membrane. 16. Which of the following questions about Theodore Schwann is incorrect? A) He was a British Zoologist. B) He reported that cells have a thin outer layer which is today known as plasma membrane. C) He suggested that plant cells have cell walls which is its unique character. D) He could explain how new cells were formed. Show Answer Correct Answer: D) He could explain how new cells were formed. 17. ..... is used to move substances that are too large to pass through the cell membrane through diffusion or by using transport proteins into cells. A) Endocytosis. B) Exocytosis. C) Diffusion. D) Osmosis. Show Answer Correct Answer: A) Endocytosis. 18. In a plant cell the extra layer outside the cell membrane is known as the A) Cell wall. B) Cell membrane. C) Cytoplasm. D) Chloroplast. Show Answer Correct Answer: A) Cell wall. 19. Which organelle converts energy found in food into a form that cells can use? A) Mitochondria. B) Ribosomes. C) Nucleus. D) Nucleolus. Show Answer Correct Answer: A) Mitochondria. 20. What is the process during which a cell takes in a substance by surrounding it with the cell membrane? A) Active Transport. B) Endocytosis. C) Exocytosis. D) Passive Transport. Show Answer Correct Answer: B) Endocytosis. 21. What is the difference between a cell wall and a cell membrane? A) The cell wall is rigid and is outside the flexible cell membrane. B) The cell membrane is flexible and outside the rigid cell wall. C) The cell wall is flexible and is outside the rigid cell membrane. D) The cell membrane is rigid and inside the flexible cell wall. Show Answer Correct Answer: A) The cell wall is rigid and is outside the flexible cell membrane. 22. What organelles serves as a primary 'packaging' area for molecules that will be distributed throughout the cell? A) Mitochondria. B) Golgi Body. C) Cytoskeleton. D) Vacuole. Show Answer Correct Answer: B) Golgi Body. 23. Microfilaments are composed of A) Mosaic protein. B) Tubulin protein. C) Chitin protein. D) Actin protein. Show Answer Correct Answer: D) Actin protein. 24. All cells have ..... because all cells need proteins to function. Unlike most cell structures, ribosomes are not membrane bound. A) Ribosomes. B) Endoplasmic reticulum (ER). C) Mitochondria. D) None of the above. Show Answer Correct Answer: A) Ribosomes. 25. Which organelle is called as the post office of the cell? A) Endoplasmic Reticulum. B) Golgi Apparatus. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: B) Golgi Apparatus. ← 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