AQA AS Biology - Unit 1 - Chapter 3

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AQA AS Biology - Unit 1 - Chapter 3

  1. 1. AS AQA Biology UNIT 1 Chapter 3 Revision Quiz Cells and movement in and out of them Total: ___ / 42 ___ %
  2. 2. 1. What is the symbol used for micrometres? (1) ………………………………………………………………....... 2. What is the equation to work out the magnification of an image? (1) ………………………………………………………………....... 3. Which keyword describes the ability of a microscope to distinguish between two objects that are close together? (1) ………………………………………………………………....... 4. What processes are used to break up cells in order to view organelles under microscopes? (2) ………………………………………………………………....... ………………………………………………………………....... ………………………………………………………………....... 5. Name the two types of electron microscope (2) ………………………………………………………………....... ………………………………………………………………....... 6. What is the maximum resolving power of an electron microscope? (1) ……………………………………………………………….......
  3. 3. 7. Name the following organelles and give their function (8) ………………………………………………………………....... ………………………………………………………………....... ………………………………………………………………....... ………………………………………………………………....... ………………………………………………………………....... ……………………………………………………………….......
  4. 4. ………………………………………………………………....... ………………………………………………………………....... 8. What name is given to cells without a Nucleus? (1) ………………………………………………………………....... 9. What type of ribosomes do these cells have? (1) ………………………………………………………………....... 10. What is the function of lysosomes? Name a cell other than epithelial cells which have many of these organelles. (2) ………………………………………………………………....... ………………………………………………………………....... 11. Name three roles of lipids (3) ………………………………………………………………....... ………………………………………………………………....... ……………………………………………………………….......
  5. 5. 12. What are the two major parts of a phospholipid (2) ………………………………………………………………....... ………………………………………………………………....... 13. Explain the difference between saturated and unsaturated fats. (1) ………………………………………………………………....... 14. What is added to a plasma membrane to give it strength? (1) ………………………………………………………………....... 15. Define the term diffusion. (1) ………………………………………………………………....... ………………………………………………………………....... 16. Name two factors that affect the rate of diffusion. (2) ………………………………………………………………....... ………………………………………………………………....... 17. What type of diffusion uses the carrier proteins in a cell membrane? (1) ………………………………………………………………....... 18. What do you call the movement of water from a high water potential to a low water potential across a partially permeable membrane? (1) ……………………………………………………………….......
  6. 6. 19. What is the water potential of pure water? (1) ………………………………………………………………....... 20. If a red blood cell is placed in a concentrated salt solution, what will happen to the cell? (2) ………………………………………………………………....... 21. (1) What word describes a plant cell that is full of water? ………………………………………………………………....... 22. What does active transport use in order to work? (1) ………………………………………………………………....... 23. What part do villi play in absorption in the small intestine? (1) ………………………………………………………………....... 24. What is the tail on a bacterium called? (1) ………………………………………………………………....... 25. What is the cell wall of a bacterium made of? (1) ………………………………………………………………....... 26. How does cholera affect the small intestine? (2) ………………………………………………………………....... ……………………………………………………………….......

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