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PPATH 3305- Mycology (1st Term)

Total questions: 100

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

This refers to A eukaryotic, heterotrophic organism devoid of chlorophyll that obtains its nutrients by absorption, and reproduces by spores.

a)

Fungi

b)

Bacteria

c)

Nematodes

d)

Virus

2.

Plural form of hypha

a)

Hyphas

b)

Hyphae

3.

Father of taxonomy

a)

Carl Linnaeus

b)

Carl Linaeus

4.

In modern classification, how many kingdoms are now recognized?

a)

6

b)

7

5.

This refers to the allocation of scientific names to the units a systematist considers to merit formal recognition.

a)

Classification

b)

Nomenclature

c)

Taxonomy

6.

True or false. Fungi are among the most diverse organisms on Earth, and are considered only second to the Insects in species diversity.

a)

TRUE

b)

FALSE

7.

Refers to a mass of branching filaments.

a)

Mycelium

b)

hyphae

8.

A single filament of a fungus is called____________.

a)

Mycelium

b)

hyphae

9.

In sexual reproduction of fungi, the fusion of cytoplasm is called ______.

a)

Plasmogamy

b)

Somatogamy

c)

karyogamy

10.

In sexual reproduction of fungi, the fusion of nuclei is called ______.

a)

Plasmogamy

b)

Somatogamy

c)

karyogamy

11.

Life cycle of fungi in which asexual spores are produced.

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

karyogamy

12.

This phylum is also called Stramenopilus fungi.

a)

Chytridiomycota

b)

Oomycota

c)

Zygomycota

13.

This refers to female gametangium of Oomycetes

a)

antheridium

b)

mycelium

c)

oogonium

14.

This refers to male gametangium of Oomycetes.

a)

antheridium

b)

mycelium

c)

oogonium

15.

TRUE OR FALSE. Plant parasitic group of oomycetes produced haustoria that obtained nutrients from the host cell.

a)

TRUE

b)

FALSE

16.

TRUE OR FALSE The secondary zoospores of oomycetes are formed in pip-shaped while the primary zoospores is reniform or bean-shaped.

a)

TRUE

b)

FALSE

17.

Dimorphic life cycle of oomycetes shows the presence of primary and secondary zoospores while the Monomorphic produced only the primary zoospores formed inside the zoosporangium.

a)

TRUE

b)

FALSE

18.

Identify.

a)

paragynous/monoclinous

b)

paragynous/diclinous

c)

hyphogynous

d)

amphiginous

19.

Which of the following has indeterminate sporangiophores?

a)

Albuginaceae

b)

Pythiaceae

c)

Peronosporaceae

20.

Which of the following has club-shaped sporangiophores?

a)

Albuginaceae

b)

Pythiaceae

c)

Peronosporaceae

21.

Fungal genera that causes damping-off disease of seedlings.

a)

Phytophthora infestans

b)

Pythium debaryanum

c)

Phytophthora colocasiae

22.

Fungal genera that causes late blight disease of potato.

a)

Phytophthora infestans

b)

Pythium debaryanum

c)

Phytophthora colocasiae

23.

Fungal genera that causes root rot of avocado.

a)

Phytophthora cinnamomi

b)

Phytophthora infestans

c)

Phytophthora colocasiae

24.

Fungal genera that causes bud rot of coconut.

a)

Phytophthora cinnamomi

b)

Phytophthora infestans

c)

Phytophthora palmivora

25.

Family under Oomycota that causes downy mildew.

a)

Pythiaceae

b)

Peronosporaceae

c)

Saprolegniaceae

26.

IDENTIFY.

a)

Sclerospora

b)

Basidiophora

c)

Phytophthora

27.

IDENTIFY.

a)

Sclerospora

b)

Basidiophora

c)

Plasmopara

28.

Fungal genera that cause downy mildew of grapes

a)

Plasmopara viticola

b)

Plasmopara grapiae

c)

Peronospora viticola

29.

Fungal genera that causes white rust of kangkong.

a)

Albugo ipomeae

b)

Albugo candidatus

c)

Albugo ipomea-aquatica

30.

Order under Oomycetes that is considered as water molds.

a)

Saprolegniales

b)

Mucorales

c)

Chytridiales

31.

Phylum Zygomycota commonly called___________.

a)

the bread molds

b)

the fruit molds

c)

the sac fungi

32.

TRUE OR FALSE. Zygomycota consist of hyphae that typically lack cross walls, so all the nuclei are contained within a common cytoplasm.

a)

TRUE

b)

FALSE

33.

Hyphae that lack cross walls is technically called ____.

a)

hyaline

b)

coenocytic

c)

septum

34.

Refers to sexual spores of ZYgomycota.

a)

oospores

b)

basidiospores

c)

zygospores

35.

TRUE OR FALSE. Zygomycetes are also pathogenic species on humans and other animals, especially invertebrates.

a)

TRUE

b)

FALSE

36.

Sexual reproduction of Zygomycota is through production of its sexual spores within _______________

a)

zygosporangium

b)

oosphere

c)

oogonium

37.

The structure that holds the sexual spores of Zygomycota is produced by the fusion of __________.

a)

gametangia

b)

antheridia

c)

oogonia

38.

Zygomycota reproduce asexually by producing asexual spores called _________

a)

zygospores

b)

sporangiospores

c)

sporangium

39.

Zygomycota reproduce asexually by producing asexual spores within a special sac called the _________.

a)

sporangium

b)

zygosporangium

c)

oogonium

40.

Order of fungi that cause diseases in plants under Zygomycota

a)

Mucorales

b)

Peronosporales

c)

Pythiales

41.

. Fungal genera under Order Mucorales of Phylum Zygomycota with large rhizoids on stolon immediately adjacent to sporangiophore

a)

Rhizopus

b)

Mucor

c)

Pilobolus

42.

Fungal genera under Order Mucorales of Phylum Zygomycota without rhizoids, sporangiophores tend to branch.

a)

Rhizopus

b)

Mucor

c)

Pilobolus

43.

IDENTIFY.

a)

Rhizopus

b)

Mucor

c)

Pilobolus

44.

This disease is caused by _____________

a)

Rhizopus stolonifer

b)

Mucor sp

c)

Pilobolus sp

45.

IDENTIFY.

a)

Rhizopus

b)

Pythium

c)

Mucor

46.

Phylum Chytridiomycota is commonly called as _____.

a)

bread molds

b)

sac fungi

c)

zoosporic fungi

47.

This refers to the thallus of chytrids in which the entire thallus converted into a sporangium.

a)

holocarpic

b)

eucarpic

c)

endobiotic

48.

This refers to the thallus of chytrids in which the portions of thallus converted into sporangia

a)

holocarpic

b)

eucarpic

c)

endobiotic

49.

Chytrids that lives entirely within the cells of their host.

a)

epibiotic

b)

eucarpic

c)

endobiotic

50.

A kind of zoosporangia which form a well-defined circular cap, operculum, through which the zoospores emerge

a)

operculate

b)

inoperculate

c)

jack-in-the-box

51.

A kind of zoosporangia which zoosporangia discharge zoospores through a discharge tube, formed when papilla dissolves

a)

operculate

b)

inoperculate

c)

jack-in-the-box

52.

Which of the following is the mode of Sexual reproduction of chytrids.

a)

karyogamy

b)

Plasmogamy

c)

planogametic copulation

53.

Sexual reproduction of chytrids that transfer of protoplast from one gametangium to another.

a)

Gametangial copulation

b)

Planogametic copulation

c)

Somatogamy

54.

Sexual reproduction of chytrids in which there is fusion between rhizoidal filaments.

a)

Gametangial Copulation

b)

Somatogamy

c)

Planogametic copulation

55.

There are 2 types of flagella of chytrids, which type has mastigonemes?

a)

tinsel flagellum

b)

whiplash flagellum

56.

Mastigonemes is a technical term of ________ in flagellum

a)

hairs

b)

bean-shape

c)

hyphae

57.

Flagellum of chytrids with unequal length is called _________.

a)

heterokont

b)

mastigonemes

c)

whiplash

58.

A typically multinucleate structure that produces zoospores by a process called zoosporogenesis.

a)

Zoosporangium

b)

Zygosporangium

c)

Oosporangum

59.

Which of the following order of Chytridiomycota has stalked thalli with rhizoids?

a)

Blastocladiales

b)

Monoblepharidales

c)

Chytridiales

60.

Which of the following order of Chytridiomycota has filamentous thalli?

a)

Blastocladiales

b)

Monoblepharidales

c)

Chytridiales

61.

Fungal genera that causes black wart disease of potato?

a)

Synchytrium psophocarpi

b)

Synchytrium endobioticum

c)

Synchytrium viticola

62.

Fungal genera that causes Chytridiomycosis of amphibians?

a)

Synchytrium endobioticum

b)

Batrachochytrium dendrobatidis

c)

Physoderma maydis

63.

Order under Phylum Chytridiomycota that considered as Rumen fungi.

a)

Order Saprolegniales

b)

Order Neocallimasticales

c)

Order Chytridiales

64.

Fungal genera that causes brown spot of corn?

a)

Synchytrium endobioticum

b)

Batrachochytrium dendrobatidis

c)

Physoderma maydis

65.

What Phylum does Rhizopus stolonifer belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

66.

What Phylum does Physoderma maydis belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

67.

What Phylum does Synchytrium endobioticum belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

68.

What Phylum does Mucor sp. belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

69.

What Phylum does Phytophthora infestans belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

70.

What Phylum does Pythium debaryanum belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

71.

What Phylum does Peronospora belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

72.

What Phylum does Pilobolus belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

73.

What Phylum does Plasmopara viticola belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

74.

What Phylum does Bremia belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

75.

What Phylum does Albugo ipomea aquatica belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

76.

What Phylum does Synchytrium psophocarpi belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

77.

What Phylum does Batrachochytrium dendrobatidis belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

78.

What Phylum does Order Mucorales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

79.

What Phylum does Order Peronosporales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

80.

What Phylum does Order Monoblepharidales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

81.

What Phylum does Order Pythiales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

82.

What Phylum does Order Chytridiales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

83.

What Phylum does Order Saprolegniales belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

84.

What Phylum does Family Albuginaceae belong?

a)

Zygomycota

b)

Chytridiomycota

c)

Oomycota

85.

Albugo ipomea-aquatica is the causal organism of ________.

a)

white rust of kangkong

b)

White rust of sweet potato

c)

white rust of potato

86.

Bud rot or fruitlet rot of jackfruit is caused by ____________.

a)

Rhizopus stolonifer

b)

Phytophthora infestans

c)

Pythium debaryanum

87.

Downy mildew of corn is caused by_____________.

a)

Pseudoperonospora philippinensis

b)

Pseudoperonospora viticola

c)

Pythium debaryanum

88.

True or False.

Fungal plant pathogens are all parasitic.

a)

TRUE

b)

FALSE

89.

True or False.

All parasitic fungi are plant pathogenic.

a)

TRUE

b)

FALSE

90.

True or False.

Fungi that do not penetrate to host plants can be considered parasitic specially if it affects the vital processes in plants such as photosynthesis.

a)

TRUE

b)

FALSE

91.

True or False.

Fungi can be used in drugs and food.

a)

TRUE

b)

FALSE

92.

True or False.

Fungi can act as decomposers that help recycle nutrients in ecosystem.

a)

TRUE

b)

FALSE

93.

True or False.

Fungi produces spores through sexual and asexual life cycles

a)

TRUE

b)

FALSE

94.

True or False.

Fungi propagate themselves by producing vast numbers of spores asexually.

a)

TRUE

b)

FALSE

95.

The primary carbohydrate storage product of fungi is ______________.

a)

Chitin

b)

glycogen

96.

The nomenclature of fungi is governed by the International Code for Botanical Nomenclature, as adopted by the International Botanical Congress.

a)

TRUE

b)

FALSE

97.

Phylum Oomycota belogs to sub-kingdom _________

a)

Stramenopila

b)

Protista

98.

TRUE OR FALSE.

Fungi secrete into surroundings exoenzymes that break down complex molecules and then absorb the remaining smaller compounds as their food.

a)

TRUE

b)

FALSE

99.

TRUE OR FALSE.

All species of fungi are multi-celled.

a)

TRUE

b)

FALSE

100.

TRUE OR FALSE.

Yeast is an example of fungi that is unicellular.

a)

TRUE

b)

FALSE