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Post-Test Plants January 25, 2014 Name: ______________________________________________________________ • SC.912.L.14.7 Relate the structure of each of the major plant organs and tissues to physiological processes. 1. The function of the vascular tissue is to a. secrete a substance that becomes the cuticle. b. cover the outside of a plant and protect it. c. provide support and supply materials. d. transport water and nutrients to all parts of the plant. 2. Transpiration lowers the pressure in the leaf xylem, creating a vacuum that a. forces water out of leaves. b. pulls water upward. c. attracts water to the xylem wall. d. moves water into the phloem. 3. Which type of tissue makes up most of the inside of a plant? a. dermal b. ground c. vascular d. phloem 4. The upper surfaces of leaves are used mainly for a. light gathering. b. gas exchange. c. collecting water. d. protection from predators. 5. Colorful fragrant flowers are most likely pollinated by a. animals. b. wind. c. spores. d. water. 6. Plant cells that are specialized for cell division are most likely found in what part of the plant? a. root tips b. leaf epidermis c. stem epidermis d. vascular tissue 7. What is the main function of leaves? a. Leaves provide support for growth and a place to store food. b. Leaves provide a place for photosynthesis to occur. c. Leaves absorb water and minerals and transport nutrients to the stem. d. Leaves create a barrier that prevents water in the plant's tissues from evaporating. 8. Which structure in the leaf controls the opening and closing of the stoma? a. cuticle b. epidermis c. guard cell d. spongy mesophyll 9. The diagram below shows a cross section of a plant leaf. How does the structure marked X contribute to the survival of the plant? a. It allows the intake of gases necessary for photosynthesis. b. It allows the intake of minerals necessary for plant growth. c. It allows the intake of sunlight necessary for ATP production. d. It allows the intake of sugars necessary for plant reproduction. 10. What is the main purpose of seeds in plants that have them? a. To protect and distribute the zygote. b. To entice animals to eat the plant. c. To be fertilized by other plants. d. To store water for the mother plant. 11. Terrestrial plants have stomata on the surface of their leaves. A single stomata is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in plants? a. b. c. d. Water enters the plant through the surface of the leaf for transpiration Gases for photosynthesis are exchanged through the surface of the leaf. Energy for cellular reproduction is absorbed through the surface of the leaf. Carbon dioxide enters the plant through the surface of the leaf for cellular reproduction. 12. The diagram below represents a flower, the reproductive structure of some plants. Most flowers have both male and female structures for fertilization and reproduction. Which structure is represented by the letter A in the diagram above? a. b. c. d. the stamen, a male structure which produces pollen the pistol, a female structure which collects pollen and passes it to the ovary the sepal, a modified leaf used for protection of the flower the petals, decorative structures which attract pollinators 13. What part of a plant functions as an anchor and as a unit for absorption and storage? a. flower b. leaf c. root d. stem 14. What tissue is correctly paired with its function? a. Dermal tissue – transports sugars b. Phloem – store materials in roots and stems c. Ground tissue - protection d. Xylem – transports water 15. Which flower part is correctly paired with its function? a. Sepal- protects the developing seed b. Carpel - attracts animal pollinators c. Petal- produces female gametophytes d. Stamen- produces male gametophytes