This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 48 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Regardless of type, all cells A) Have a cell membrane. B) Have cytoplasm. C) Can duplicate themselves by undergoing cell division. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. What is the function of vesicles in the cell? A) To break down and recycle cell parts. B) To transport substances to other parts of the body. C) To produce energy for the cell. D) To store genetic material. Show Answer Correct Answer: B) To transport substances to other parts of the body. 3. What is the correct order of organization from simplest to most complex in living organisms? A) Systems, organs, tissues, cells. B) Organs, tissues, cells, systems. C) Tissues, cells, organs, systems. D) Cells, tissues, organs, systems. Show Answer Correct Answer: D) Cells, tissues, organs, systems. 4. The power house of cell is called A) Cell wall. B) Mitochondria. C) Ribosomes. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 5. Which of the following is NOT an example of homeostasis? A) A human producing gametes. B) A plant bending toward sunlight. C) A bird drinking water when thirsty. D) A dog stealing chicken off the kitchen counter when hungry. Show Answer Correct Answer: A) A human producing gametes. 6. RNA A) A type of protein. B) A nucleic acid, involved in protein synthesis. C) A carbohydrate. D) A lipid involved in energy storage. Show Answer Correct Answer: B) A nucleic acid, involved in protein synthesis. 7. What is the primary role of the lysosome? A) DNA replication. B) Protein modification. C) Cellular digestion. D) Lipid synthesis. Show Answer Correct Answer: C) Cellular digestion. 8. It controls the movement of substances into and out of cells. It is semipermeable. * A) Nucleus. B) Vesicles. C) Cell membrane. D) Cell wall. Show Answer Correct Answer: C) Cell membrane. 9. Scarlett is conducting a survey and collects data from 20 participants. She wants to calculate the degrees of freedom for her sample. How should Scarlett calculate the degrees of freedom? A) Dividing the standard deviation by the square root of the sample size. B) Subtracting one from the sample size. C) Adding together all values and dividing by the sample size. D) Squaring the difference between the observed and expected values. Show Answer Correct Answer: B) Subtracting one from the sample size. 10. This cell organelle does not contain DNA A) Nucleus. B) Mitochondria. C) Lysosomes. D) Chloroplast. Show Answer Correct Answer: C) Lysosomes. 11. Cells use active transport proteins to A) Obtain molecules they need. B) Break down molecules. C) Engulf large particles. D) Detect the charge of molecules. Show Answer Correct Answer: A) Obtain molecules they need. 12. A rigid structure outside of the cell membrane that protects a cell from viruses and other harmful organisms. A) Cell Wall. B) Cell Membrane. C) Golgi Body. D) Nucleus. Show Answer Correct Answer: A) Cell Wall. 13. Muramic acid is seen in ..... cell wall A) Bacterial cell wall. B) Fungi wall. C) Virus. D) None. Show Answer Correct Answer: A) Bacterial cell wall. 14. What is the function of the ribosomes? A) Produce energy (ATP). B) Make proteins. C) Package and ship proteins. D) Store water, food, and wastes. Show Answer Correct Answer: B) Make proteins. 15. Used in places where diffusion needs to occur, such as blood vessels and air sacs of lung A) Simple cuboidal. B) Simple squamous. C) Simple columnar. D) Stratified squamous. Show Answer Correct Answer: B) Simple squamous. 16. Analyze how the structure of the nucleus supports its function in the cell. A) Its porous membrane allows for the exchange of materials necessary for DNA replication and transcription. B) Its solid structure prevents any material from entering or leaving. C) Its small size allows it to move easily within the cell. D) Its thick walls protect the DNA from damage. Show Answer Correct Answer: A) Its porous membrane allows for the exchange of materials necessary for DNA replication and transcription. 17. What process involves the movement of water across a semipermeable membrane? A) Diffusion. B) Osmosis. C) Active transport. D) Endocytosis. Show Answer Correct Answer: B) Osmosis. 18. What is the name of muscle cells? A) Muscle Cells. B) Spindle Shaped Cell. C) All the above. D) None of the above. Show Answer Correct Answer: B) Spindle Shaped Cell. 19. What is a cork? A) A bark part of a tree. B) A leaf of a tree. C) All the above. D) None of the above. Show Answer Correct Answer: A) A bark part of a tree. 20. When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of A) Osmosis. B) Diffusion. C) Equilibrium. D) None of the above. Show Answer Correct Answer: C) Equilibrium. 21. Small membrane bordered structures containing chemicals and enzymes used for digestion and disposal of waste. A) Ribosomes. B) Lysosomes. C) Golgi bodies. D) Vacuoles. Show Answer Correct Answer: B) Lysosomes. 22. What are the cells which are round, spherical or elongated? A) White Blood Cell of human beings. B) Red Blood Cell of human beings. C) All the above. D) None of the above. Show Answer Correct Answer: B) Red Blood Cell of human beings. 23. Who proposed the theory that "cells arise only from the pre-existing cells" A) Mohl. B) Virchow. C) Haeckel. D) Brown. Show Answer Correct Answer: B) Virchow. 24. Stores water and food for the cell. Very large in a plant. A) Cytoplasm. B) Cell wall. C) Vacuole. D) Chloroplast. Show Answer Correct Answer: C) Vacuole. 25. Which part of the cell contains genetic information? A) Nucleus. B) Vacuole. C) Cell wall. D) Cytoplasm. Show Answer Correct Answer: A) Nucleus. ← 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