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CLASS SET – DO NOT WRITE ON!! Plants Test 1. Anything in the environment that affects the behavior of an organism is called – A. B. C. D. Stomata Stimuli Tropism Xylem 2. Which of the following best describes the process of osmosis in a plant? A. B. C. D. the process by which organisms break down food to release energy the pressure of water against the cell wall of a plant that keeps it rigid and sturdy the organism’s desire to keep internal conditions constant and balanced the diffusion (movement) of water in and out of a plant cell 3. In which organelle in plant cells does photosynthesis take place? In which part of the plant does this happen? A. B. C. D. Chloroplast, leaf Xylem, stem Chlorophyll, roots Stomata, flower 4. What are two ways we (humans) depend on photosynthesis? A. B. C. D. Water and carbon dioxide Oxygen and sunlight Glucose and ATP Oxygen/Carbon dioxide exchange and energy 5. Which products of cellular respiration are used as reactants in photosynthesis? A. B. C. D. ATP and light energy ATP and CO2 CO2 and H2O CO2 and O2 6. What is the process by which organisms break down food to release energy? A. Cellular Respiration B. Photosynthesis C. Turgor Pressure D. Homeostasis CLASS SET – DO NOT WRITE ON!! Match the picture to the type of tropism. 8. 7. 9. H2O A. B. C. D. Geotropism Thigmatropism Hydrotropism Phototropism 11. Which of the following is the correct equation for Photosynthesis? A. B. C. D. CO2 + 6 H2O O2 + light energy C6H12O6 + 6 O2 ATP + H20 C6H12O6 + 6 O2 H20 + CO2 6 CO2 + 6 H2O CO2 + C6H12O6 12. In what part of the cell does cellular respiration take place? A. B. C. D. Chloroplast Mitochondria Chlorophyll Leaves 13. What structures carry glucose from the leaves to other parts of the plant? A. B. C. D. Xylem Chloroplast Stomata Phloem 14. A plant wilting could result from all of the following EXCEPT -A. B. C. D. Low Turgor Pressure Damaged Xylem Lack of food Osmosis not taking place 10. CLASS SET – DO NOT WRITE ON!! 15. Gas exchange (CO2 in & O2 out) takes place in what structures located in the epidermis? A. B. C. D. Guard cells Chloroplast Stomata Xylem 16. Which of the following chemical formulas represents glucose? A. B. C. D. ATP C8H10N4O2 NaCl C6H12O6 17. In phototropism, leaves and stems growing towards the light is considered a – A. B. C. D. Positive tropism Negative tropism Both None of the above 18. Which function occurs in the part of a leaf shown? A. B. C. D. Water enters and exits O2 enters in and CO2 exits Glucose is made CO2 goes in and O2 exits 19. Which of the following is the correct definition of photosynthesis? A. B. C. D. the process by which organisms break down food to release energy an organism’s desire to keep internal conditions constant and balanced a series of chemical reactions that convert light energy, water, and carbon dioxide into glucose a response that results in plant growth toward or away from a stimulus 20. All of the following are true about the mesophyll layer of a leaf EXCEPT -A. B. C. D. It consists of the palisade layer and spongy layer It is where the chloroplasts are located, which is where photosynthesis takes place It is the layer of the leaf where tiny openings called the stomata are found It means “middle leaf” CLASS SET – DO NOT WRITE ON!! 21. Which of the following is a negative tropism? A. B. C. D. The downward growth of a plant root in geotropism Roots growing away from objects in the soil to follow the easiest path in thigmotropism Vines growing up or wrapping around a tree or fence Roots growing down toward a river in hydrotropism 22. The vascular tissue, or veins, in a leaf A. B. C. D. Carry oxygen and carbon dioxide from the roots to the leaves Transport water and food throughout the plant Surround and protect the bundle sheath cells Are easily seen because they are part of the epidermis layer Use the dichotomous key to identify the following leaves: 23. Leaf 3 – A. B. C. D. 24. Leaf 4 – A. B. C. D. 2 Redbud Locust Sweet Gum Pecan 1 5 3 Redbud Birch Sweet Gum Magnolia 4 6 7 Choose which of the description matches photosynthesis or cellular respiration. 25. Produces glucose and oxygen 26. Performed in plants and algae only 27. Requires sunlight, carbon dioxide, and water 28. Breaks down glucose into energy 29. Occurs in the chloroplasts 30. Produces carbon dioxide, water and energy A. Photosynthesis B. Cellular Respiration CLASS SET – DO NOT WRITE ON!! Label the parts of a leaf on the diagram below: 31. _________________ 32. 38. 33. 34. 35. 36. 39. _____________ 40. _____________ Answer choices for 31-35: A. B. C. D. E. Palisade Layer Bundle Sheath Cells Epidermis Xylem Cuticle Answer choices for 36-40: A. B. C. D. E. Spongy Layer Guard Cells Phloem Stomata Mesophyll 37.