Chapter 06 – Stems
34. Horizontal stems that produce roots and shoots are
35. The “eyes” of the Irish potato are actually
Chapter 06 – Stems
36. Cone-shaped stems surrounded by many scalelike leaves that are modified for food
storage are
37. Which of the following specialized stems have relatively long internodes?
Chapter 06 – Stems
38. Which is a product of a woody stem?
39. Which of the following have no nodes or internodes?
40. You can determine whether an unknown plant structure that you dig up is a stem or root
by ______________.
Chapter 06 – Stems
41. Specialized stems may function as _____________.
42. A very thin sheet of desirable wood that is carefully cut so as to produce the best possible
view of the grain and then glued to cheaper lumber is called
Chapter 06 – Stems
43. A wood’s capacity to withstand decay organisms is referred to as its
44. Wood cells are composed primarily of cellulose and
Chapter 06 – Stems
45. The bases of lost branches that have become covered over with new annual rings of wood
are called
46. The pattern of growth in a woody stem that allows someone to determine the age of the
stem results from
Chapter 06 – Stems
47. When comparing woody stems to herbaceous stems, woody stems typically
______________.
48. Rays consist primarily of
Chapter 06 – Stems
True / False Questions
49. The cortex and the pith consist primarily of parenchyma cells.
50. Most stem tips have caps over them that protect them while they are growing.
51. Lenticels and stomata function in gas exchange.
Chapter 06 – Stems
52. An increment borer is a common pest of woody stems.
Blooms: 1. Remember
53. Phloem rays appear to be continuous with xylem rays.
54. The difference between the inner bark and the outer bark is that the outer bark is aged
inner bark tissue.
55. Nearly all plants produce laticifers.
Chapter 06 – Stems
56. Lignin, which is found in the walls of xylem cells, makes the cells tough and hard.
57. Quartersawed boards are those that have been cut along rays, or parallel to the rays.
58. A cladophyll is a stem with thick bark.
Chapter 06 – Stems
59. Knots are branch bases that have become covered over by new wood.
60. Corms and bulbs differ in that corms have fleshy leaves whereas bulbs do not.
61. Specialized stems that aid grape vines and Boston ivy in climbing are called stipules.
Chapter 06 – Stems
62. Roots produced on rhizomes are adventitious.
63. Monocot plants frequently develop woody stems.