Chapter 32 – Fungi
15. Fungi exist mainly in the form of slender filaments, barely visible to the naked eye, which
are called _______.
16. Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to
be __________.
17. The yeasts, common molds, morels, and truffles are common and economically important
and also found in the group of fungi called ___________.
18. A type of fungi that has been long useful for baking, brewing, and wine making, and is
now becoming very important in genetic research is _____.
Chapter 32 – Fungi
19. Mushrooms are fungi belonging to the phylum ___________.
20. An _____ is a nonphotosynthetic plant—a third member of a symbiotic relationship
involving a fungus and another plant, obtaining nutrients from these two members.
21. The carcinogenic compound ____, which damages kidneys and the nervous system, is
produced by some strains of Aspergillus flavus.
Multiple Choice Questions
Chapter 32 – Fungi
22. The fungal group that is most closely related to ancestral fungi are the
23. Specialized symbiotic associations between the roots of plants and fungi are called
24. A mass of hyphae in an ascomycete is commonly referred to as a(n)
Chapter 32 – Fungi
25. The cell walls of fungi are made up of polysaccharides including
26. Fungi are ecologically important for all of the following reasons, except
27. A symbiotic association between a fungus and a green alga or a cyanobacterium is called
a
Chapter 32 – Fungi
28. The system of fungal filaments that penetrates and grows through the substrate is called
a(n)
29. Mycorrhizae, specialized symbiotic associations between the roots of plants and fungi,
are characteristic of
30. Diploid cells of animals and plants are genetically similar to fungal
Chapter 32 – Fungi
31. All of the following are reproductive structures found in some fungi except
32. A division of fungi that lacks septa in their hyphae except when they form sporangia or
gametangia is the
33. The fungi that cause serious plant disease, such as Dutch elm disease and chestnut blight,
belong to the phylum
Chapter 32 – Fungi
34. Asexual reproduction in ascomycetes takes place by means of
35. A mature walled ascus of an ascomycete usually contains
36. The most economically useful unicellular fungi are
Chapter 32 – Fungi
37. The fruiting structures formed by secondary mycelia of basidiomycetes are known as
38. The only diploid cell of the life cycle of basidiomycetes is produced within the basidium
by
39. The rusts and smuts that seriously affect crop plants are
Chapter 32 – Fungi
40. Lichens are adversely affected by
41. Which of the following fungi usually form arbuscular mycorrhizal associations in which
the outer cells of the plant roots are penetrated by the fungal hyphae?
42. Arbuscular mycorrhizae are characterized by all of the following features except
Chapter 32 – Fungi
43. Ectomycorrhizae, associations in which the fungal hyphae surround but do not penetrate
the cell walls of the plant roots, usually involve
44. The body of a fungus has several characteristics. One of these is their hyphae, long chains
of cells. Which of the following statements best describes the nature of septa and cross
walls?
Chapter 32 – Fungi
45. A mycologist visits your biology class and discusses her research on a particular fungus
that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her
research organism is heterokaryotic. You raise your hand and request that she define that
word. Her correct response is
46. Select the incorrect statement related to fungi.
Chapter 32 – Fungi
47. Lichens are mutualisms between
48. Which of the phyla of fungi is incorrectly matched with its example?
49. One major difference between ectomycorrhizae and arbuscular mycorrhizae is
Chapter 32 – Fungi
50. Ruminant animals have symbiotic fungi which
51. Which one of the following fungal groups has an alternation of multicellular gametophyte
and sporophyte generations?
52. In the life cycle of a zygomycete, after the zygospore is formed, the next event will be
Chapter 32 – Fungi
53. A nonphotosynthetic plant sharing a mycorrhizal fungus with a photosynthetic plant is
best described as a
54. Which one of the following terms best applies to the fungus participant in a typical
lichen?
55. How does fungal mitosis differ from animal mitosis?
True / False Questions
Chapter 32 – Fungi
56. Recent phylogenetic analysis has provided evidence to justify classifying microsporidians
as fungi.
57. Zygospores are used to resist harsh conditions.
58. Comparisons of DNA sequences have revealed that glomeromycetes are not in the same
clade as the zygomycetes.
Multiple Choice Questions
Chapter 32 – Fungi
59. In basidiomycetes the _______ is diploid.