1. Structure A is the a. Cell wall b. Cell membrane c. Vacuole d. Lysosome

Transcription

1 Figure 1 Use Figure 1 to answer the following questions: 1. Structure A is the a. Cell wall b. Cell membrane c. Vacuole d. Lysosome 2. Structure E controls cellular functions. It is the a. Nucleolus b. Golgi apparatus c. Nucleus d. Mitochondria 3. What is the function of Structure H? a. To remove waste from the cell b. To store nutrients and water c. To create ATP energy d. To conduct photosynthesis 4. Which letter represents the cell wall of a plant cell? a. A b. B c. E d. D c. Golgi apparatus d. Endoplasmic Reticulum 5. The organelle that contains enzymes and breaks down lipids, carbohydrates and proteins into usable molecules for the cell, and is also useful in breaking down cellular waste is a. Vacuole b. Lysosome 6. This cellular structure has two types and is responsible for assembling lipid components of the cell membrane, synthesizing proteins and it contains enzymes: a. Vacuole b. Lysosome c. Golgi apparatus d. Endoplasmic Reticulum 7. Which structures are found in plant cells but not in animal cells? a. Cell wall and cell membrane b. Cell wall and chloroplast

2 c. Chloroplast and lysosome d. Chloroplast and vacuole 8. A membrane is permeable to hydrogen, but impermeable to sodium ions. Which molecule cannot move into the cell? a. Hydrogen b. Sodium ions c. Both hydrogen and sodium ions d. Neither can move into the cell Figure 2 A B C **Draw arrows showing the direction of water movement in each of the beakers** Use Figure 2 to answer the next few questions 9. Which beaker shows a solution that is hypertonic to the cell? a. Solution A b. Solution B c. Solution C 10. Which beaker shows an isotonic solution? a. Solution A b. Solution B c. Solution C 11. The cell in beaker B is to the solution? a. Hypertonic b. Hypotonic c. Isotonic 12. Photosynthesis uses sunlight to convert water and CO 2 into a. Oxygen b. High energy sugars like glucose b. ATP & Oxygen d. Oxygen and high energy sugars

3 13. Which of the following are used in the overall reactions of photosynthesis a. CO 2 b. Water b. Light d. All of the above 14. If carbon dioxide is removed from a plant s environment, what would you expect to happen to its production of high energy sugars like glucose? a. More sugars will be produced b. No sugars will be produced c. The same number of sugars will be produced d. Carbon dioxide does not affect the production of high energy sugars in plants 15. Cellular respiration releases energy by breaking down a. Food molecules b. ATP c. Carbon dioxide d. water 16. Which of these is a product of cellular respiration? a. Oxygen b. Water c. Glucose d. All of the above 17. Which of the following equations best represents photosynthesis? a. C + O 2 + H 2 O CO 2 + HOH b. 6CO 2 + 6H 2 O C 6 H 12 O 6 c. 6C + 6 H 2 O C 6 H 12 O 6 d. C 6 H 12 O 6 6CO 2 + 6H 2 O 18. The ultimate energy source for food production is a. Grocery store b. Soil c. Certain green plants d. The sun 19. Which organisms listed contain mitochondria? a. Bacteria (prokaryotes) b. Plants only c. Animals only d. All eukaryotes 20. Which of the following statements is correct?

4 a. Plants have chloroplasts and mitochondria b. Plants have chloroplasts only c. Animals have mitochondria and chloroplasts d. Only animals do cellular respiration 21. During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will a. move across the membrane to the outside of the cell. b. stop moving across the membrane. c. continue to move across the membrane in both directions. d. move across the membrane to the inside of the cell. 22. Which 2 types of cell transport involve the movement of molecules along the concentration gradient from high to low? a. osmosis and active transport b. diffusion and active transport c. facilitated diffusion and diffusion d. facilitated diffusion and active transport 23. Which means of transport is shown in the diagram to the right? a. diffusion b. active transport c. facilitated diffusion d. osmosis 24. Energy is released from ATP when a. a phosphate group is added b. adenine bonds to ribose c. ATP is exposed to light d. a phosphate group is removed 25. Which statement is true? a. only plants use ATP for cell energy b. glucose is a product of cellular respiration c. ATP is a permanent form of stored energy d. ATP and glucose are energy rich molecules 26. The most efficient way for a cell to make ATP from ADP is by a. using glucose and oxygen b. using carbon dioxide and glucose c. using glucose and no oxygen d. using carbon dioxide and chlorophyll 27. In the ATP molecule, the most energy is stored a. between the 1st and 2nd phosphate b. between the 2nd and 3rd

5 c. between ribose and adenine d. ribose and the 1st phosphate 28. In osmosis, water always moves towards the solution, that is, toward the solution with the solute concentration. a. isotonic.greater b. hypertonic greater c. hypertonic lesser d. hypotonic greater 29. Red blood cells have a salt content of 0.9%. When a microbiologist places red blood cells in pure water, osmosis occurs. What net movement of a substance occurs in this instance of osmosis? a. water molecules move out of the cells b. water molecules move into the cells. c. salt ions move out of the cells. d. salt ions move into the cells. ANSWERS: 1. B 2. C 3. C 4. B 5. B 6. D 7. B 8. B Figure 2 - Beaker A is isotonic and water moves in both directions. Beaker B is a hypotonic solution and water moves into the cell and the cell will swell. Beaker C is a hypertonic solution and water moves out of the cell and the cell shrivels. 9. C 21. C 10. A 22. C 11. A 23. B 12. D 24. D 13. D 25. D

6 14. B 26. A 15. A 27. B 16. B 28. B 17. B 29. B 18. D 19. D 20. A