Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
28. Food-conducting cells present in some mosses are known as
29. Which of the following do “leaves” of mosses lack?
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
30. The egg of a moss is produced within a cavity called a
31. Which of the following are sterile hairs scattered among moss archegonia and antheridia?
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
32. The one or two rows of teeth that play a role in the release of spores from a moss capsule
constitute the
33. Which of the following structures is NOT found in all bryophytes?
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
34. From an economic perspective the most important bryophytes are the
35. Which of the following bryophytes are generally edible?
36. The ability of peat mosses to absorb water and their antiseptic qualities led to their use as
________ by early people.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
37. Peat mosses are currently harvested and used ______________.
38. Which of the following is used commercially as a soil conditioner?
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
True / False Questions
39. Most species of liverworts produce a flattened body called a thallus.
40. A hornwort sporophyte grows from its base by means of a meristem.
41. Bryophyte zygotes develop into embryos.
42. Mosses are found in several different phyla.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
43. Rhizoids take up water through their xylem.
44. An operculum is a part of the sporophyte generation of a moss.
45. The sporophytes of common thalloid liverworts develop suspended above the thallus in or
on gametophores.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
46. Hornworts reproduce asexually as a result of lobes of the thallus becoming separated.
47. None of the mosses has any economic importance.
48. Paraphyses are sterile hairs found in mosses.
49. Zygotes of members of the Plant Kingdom develop into embryos.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
50. Most mosses reproduce asexually by means of gemmae.
51. The elaters of liverworts and hornworts function in producing spores.
52. Capsules of mosses normally have xylem tissue.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
53. “Peat” is a product derived from the dead parts of a moss.
54. Hydroids are specialized water conducting cells in some mosses that resemble hollow
tubes; however, most water travels up the outside of the plant by capillarity.
55. Meiosis takes place in the stem of mosses.
Chapter 20 – Introduction to the Plant Kingdom: Bryophytes
56. Since the sperm of mosses are not flagellated, mosses can grow in dry habitats.
57. Mosses and liverworts produce embryos that are contained in the archegonium.
58. A peat moss can absorb water many times its weight.
59. The three phyla in the bryophytes are thought to have been derived from a common
ancestor.