Chapter 04 – Tissues
32. Rays function primarily in
33. Conducting cells that are open at either end include
34. The tissue in which lenticels are formed is
Chapter 04 – Tissues
35. The fatty substance in the walls of cork cells is
36. Which of the following may be secreted by secretory cells?
37. Which is a type of epidermal cell?
Chapter 04 – Tissues
38. Underground epidermal cells may have the exterior cell wall extended into a long, thin
thread-like structure called ____________.
39. In forming the sieve tube, one sieve tube element is connected to another sieve tube
element by
Chapter 04 – Tissues
40. Vessels (or vessel members) are different from tracheids because
41. The function of companion cells is:
Chapter 04 – Tissues
42. In most cone-producing trees (such as pines), tracheids and albuminous cells function like
the ___________ and ________ of flowering plants.
43. Wood (woody tissues) are produced by __________________.
Chapter 04 – Tissues
44. Leaves and primary stems interface with the environment through the _______________
tissue.
True / False Questions
45. The vascular cambium produces tissues that increase the girth of a plant.
46. Periderm is another name for epidermis.
Chapter 04 – Tissues
47. Chlorenchyma tissue is composed primarily of collenchyma cells.
48. The different primary meristems produce cells which will develop and mature into
different tissues.
49. Stone cells and fibers have relatively thick walls.
50. The primary function of sieve tubes is conduction of sugar.
Chapter 04 – Tissues
51. Sieve-tube elements have pairs of pits in their end walls.
52. Based on the structures of tracheids and vessels, you would expect water transport to be
faster in tracheids than in vessels.
The vessel elements of xylem have adjacent companion cells that aid in the conduction of
water.
53. Latex and resin are examples of substances conducted by the phloem.
Chapter 04 – Tissues
54. Some epidermal cells may be modified as glands.
55. Secretory cells release substances that have been produced in the protoplasm.
56. In woody plants most of the vascular tissues are produced by the cork cambium.
57. Companion cells are found adjacent to vessel elements.
Chapter 04 – Tissues
58. Albuminous cells function in the same manner as companion cells.
59. The porous regions of sieve-tube elements are called sieve plates.
60. Nectar is an example of a substance transported in the xylem tissue.
61. The cuticle is located on the inside of epidermal cell walls.
Chapter 04 – Tissues
62. The epidermis is a complex tissue because the epidermis has different functions in the root
and leaves.