Name Period Mrs. Laux Take Home Test #16 on Chapters 32 and 33 AP Biology DUE DATE: MONDAY, MARCH 8, 2010 MULTIPLE CHOICE QUESTIONS

Transcription

1 MULTIPLE CHOICE QUESTIONS 1. Plants that do not develop persistent woody parts above the ground are called: A. monocots. B. dicots. C. herbaceous. D. deciduous. E. perennials. 2. A main function of a plant s root system is to: A. photosynthesize. B. absorb dissolved nutrients and water. C. absorb atmospheric carbon dioxide. D. capture sunlight. E. bear seed-containing fruits. 3. Which tissue system of the plant body is largely responsible for photosynthesis? A. ground tissue system B. vascular tissue system C. dermal tissue system D. primary tissue system E. secondary tissue system 4. Which one of the following is mismatched? A. ground tissue photosynthesis B. vascular tissue storage C. dermal tissue covering of plant body D. ground tissue storage E. vascular tissue transport 5. Parenchyma, collenchyma, and sclerenchyma are classified as: A. dermal tissues. B. vascular tissues. C. ground tissues. D. primary tissues. E. secondary tissues. 6. Parenchyma cells: A. may be either photosynthetic or non-photosynthetic. B. can differentiate into other kinds of cells in response to an injury to the plant. C. may contain various storage materials, such as starch grains, oils, or water. D. must be living cells in order to function. E. All of these. 7. The extremely flexible tissue that provides support in soft, nonwoody plants, allowing them to grow upward, is: A. parenchyma tissue. B. collenchyma tissue. C. sclerenchyma tissue. D. dermal tissue. E. meristematic tissue. 1

2 8. Which of the following tissues is dead at maturity? A. parenchyma. B. sclerenchyma. C. collenchyma. D. epidermis. E. lignin. 9. Sclereids are cells that: A. are found in wood and bark. B. conduct water and dissolved minerals. C. are usually found in nut shells and pits of stone fruits. D. conduct dissolved sugars. E. form cytoplasmic connections between cells. 10. The most abundant polymer in the world is: A. cellulose. B. glucose. C. hemicellulose. D. lignin. E. pectin. 11. What two tissues transport materials throughout the entire plant body? A. sclerenchyma and xylem B. phloem and xylem C. parenchyma and xylem D. sclerenchyma and collenchyma E. epidermis and xylem 12. What tissue conducts water and dissolved minerals from the roots to the stems and leaves? A. collenchyma B. epidermis C. periderm D. xylem E. phloem 13., which are a type of xylem, are extremely efficient in conducting water. A. Sieve tube elements B. Companion cells D. Sclereids E. Vessel elements 14. Sugar is conducted in solution through specialized cells known as: A. fibers. B. companion cells. C. sieve tube elements. D. tracheids. E. vessels. 2

3 15. are one of the few eukaryotic cells that can function without nuclei. A. Sieve tube elements B. Companion cells D Sclereids E. Vessel elements 16. are living cells that do not conduct sugar themselves but play a crucial role in assisting the movement of sugars. A. Sieve tube members B. Sieve plates D. Vessel elements E. Companion cells 17. are tiny pores in the epidermis that facilitate the diffusion of carbon dioxide into leaves or herbaceous stems. A. Stomata B. Guard cells D. Sclereids E. Trichomes 18. What tissue comprises the outer bark of woody plants? A. ground tissue B. epidermis C. phloem D. periderm E. xylem 19. Which of the following is not considered a secondary tissue? A. secondary xylem B. secondary phloem C. epidermis D. periderm E. None of these, all are secondary tissues. 20. Which organelle increases in size, causing plant cells to elongate? A. chloroplast B. mitochondrion C. nucleus D. ribosome E. vacuole 21. The plant growth process that allows cells to become specialized is: A. cell division. B. cell elongation. C. cell differentiation. D. primary growth. E. secondary growth. 3

4 22. Which of the following statements about meristematic tissue is false? A. It is found at the tips of all roots. B. It is found at the tips of all stems. C. It is capable of continually dividing throughout the life of the plant. D. Its cells are incapable of differentiating. E. Its cells are dead at functional maturity. 23. Primary growth involves: A. an increase in length. B. an increase in girth. C. a production of secondary xylem. D. a production of cork cells. E. a division of vascular cambium cells. 24. Growth that results in an increase in stem or root length occurs in which specific area of the plant? A. lateral meristem B. apical meristem C. vascular cambium D. cork cambium E. periderm 25. A root cap: A. protects the fragile meristematic cells at the root tip. B. pushes the root tip deeper into the soil. C. protects the cells located in the lateral meristem. D. arises from the stem apical meristem. E. will differentiate into primary tissues of the adult plant. 26. Growth that results in an increase in the girth of a plant is referred to as: A. horizontal growth. B. longitudinal growth. C. primary growth. D. radial growth. E. secondary growth. 27. Dividing cells are found in all of the following except: A. apical meristems. B. lateral meristems. C. vascular cambium. D. cork cambium. E. fiber cells. 28. The broad, flat part of a leaf is called the, while the stalk that attaches the leaf to the stem is called the. A. stipule; petiole B. blade; stipule C. stipule; axil D. petiole; axil E. blade; petiole 4

5 29. Which of the following statements does not describe the leaf epidermis? A. The cells all contain chloroplasts and photosynthesize. B. Some of the cells are modified to form trichomes. C. The cells are covered by a waxy cuticle. D. The cells are relatively transparent. E. It contains stomata, each of which is flanked by two guard cells. 30. The cuticle consists of: A. cellulose. B. lignin. C. hemicellulose. D. starch. E. cutin. 31. Which of the following statements concerning trichomes is FALSE? A. They reduce water loss from leaf surface. B. They deter herbivores. C. They excrete excess salts absorbed from salty soil. D. They are hairlike structures on the epidermis. E. They facilitate gas exchange. 32. Guard cells are often associated with, special epidermal cells that provide a reservoir of water and ions. A. companion cells B. cuticle cells C. cork cells D. sclerenchyma cells E. subsidiary cells 33. Floating leaves of aquatic plants have: A. stomata only on the lower epidermis. B. stomata only on the upper epidermis. C. stomata on both lower and upper epidermis. D. no stomata on the epidermis. E. None of these. 34. The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the: A. mesoderm. B. middle lamella. C. mesophyte. D. bundle sheath. E. mesophyll. 35. The primary function of spongy mesophyll is: A. photosynthesis. B. transpiration. C. to allow diffusion of gases. D. transport of substances. E. transport of water. 5

6 36. Eudicot leaves typically have: A. alternately palmate venation. B. netted venation. C. parallel venation. D. alternately pinnate venation. E. no venation. 37. Before a stoma opens: A. the level of carbon dioxide inside the leaf increases. B. potassium ions are actively transported out of guard cells. C. potassium ions are actively transported into guard cells. D. the turgor pressure inside the guard cells decreases. E. water moves by osmosis out of the guard cells. 38. If a plant were placed in continual darkness, it would continue to open and close its stomata at approximately the same time each day. This phenomenon is governed by: A. annual rhythms. B. floral clocks. C. transpiration. D. temporal mechanisms. E. circadian rhythms. 39. Which of the following is most important in stomatal closing? A. declining sucrose concentrations B. rising sucrose concentrations C. rising potassium concentrations D. declining potassium concentrations E. declining chloride concentrations 40. The process by which water is lost by evaporation from plant parts is known as: A. vaporization. B. photosynthesis. C. guttation. D. transpiration. E. abscission. 41. The rate of transpiration increases under all of the following conditions except: A. increased wind. B. increased humidity. C. increased temperature. D. presence of sunlight. E. an increase in dry air. 42. The release of liquid water by leaves when soil moisture is high is known as: A. vaporization. B. photosynthesis. C. guttation. D. transpiration. E. abscission. 6

7 43. The area where the petiole detaches from the stem is referred to as the: A. abscission zone. B. middle lamella. C. bundle sheath extension. D. terminal bud. E. bud scale scar. 44. The spines of a cactus are actually modified: A. branches. B. stems. C. leaves. D. roots. E. trichomes. 45. Underground stems with fleshy leaves used for storage of water and food are known as: A. tendrils. B. spines. C. bulbs. D. buds. E. stipules. 46. Insectivorous plants: A. typically grow in nutrient-rich soil. B. enhance a poor supply of CO 2 through capturing prey. C. use modified leaves to trap their prey. D. rely on symbiotic insects and insect larvae to digest their prey. E. All of these. DISCUSSION OR THOUGHT QUESTIONS-Please type on a separate sheet of paper. 1. What are the 3 types of tissues that comprise the ground tissue system, and what are their functions? 2. Explain how the structures of tracheids and vessel elements are specialized for their conduction of water and dissolved minerals. 3. Although the epidermis lacks chloroplasts, it plays an essential role in photosynthesis. What features of the epidermis contribute to the overall photosynthetic success of a plant? 4. Explain how the structure of a leaf contributes to the function of photosynthesis. 5. Explain how the movement of hydrogen and potassium ions across the membranes of guard cells opens and closes the stomata. 6. Describe the benefits of transpiration to plants. 7