Question 1
Question
Which if the following best describes the ascus?
Answer
-
A sexual spore bearing cell produced in ascomycete fungi
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A vegatitive body not differentiated into organs
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A sexual spore bearing cell found in basidiomycete fungi
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A transverse wall dividing hypha into sections
Question 2
Question
Which of the following groups have no known sexual stage?
Answer
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Zygomycota
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Deuteromycota
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Basidiomycota
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Ascomycota
Question 3
Question
Which of the following can fully break down lignin?
a) soft rot fungi
b) white rot fungi
c) hard rot fungi
d) heart rot fungi
Answer
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a,b and c
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a only
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b only
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b and d
Question 4
Question
What enzymes do fungi use to break down lignin?
Answer
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Lignin oxidises and phenol peroxidases
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Lignin peroxidases and phenol oxidases
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Lignin peroxidases, phenol oxidises and laccases
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Lignin oxidases, phenol peroxidases and laccases
Question 5
Question
What is the typical shape of ascomycetes fruiting body (ascocarp)?
Answer
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Cup-shaped
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Mushroom
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ball shaped
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Shelf shaped
Question 6
Question
After which stage of the lifecycle do the fungi nuclei become diploid?
Answer
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During plasmogamy
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During karyogamy
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During mitosis
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During meiosis
Question 7
Question
How is the dikaryotic mycelium maintained?
Question 8
Question
Which of the following features is specific to the basidiomycetes?
Answer
-
Woronin body
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Dolipore
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Septal pore
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Ascocarp
Question 9
Question
What maintains polarity in hyphae tips?
Answer
-
Microtubules
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Actin filaments
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Protein kinases
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The nucleus
Question 10
Question
Which of these is a function of a fungal cell wall? Select the correct tickbox(es).
Answer
-
As a molecular sieve to regulate the passage of molecules
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To prevent osmotic lysis
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To allow enzymes such as invertase to bind
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To protect cells from UV radiation
Question 11
Question
What does Glucan provide in the cell wall?
Answer
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Rigidity
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Flexibility
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Energy storage
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Insulation
Question 12
Question
How many ascospores are produced by the division of one ascus?
Question 13
Question
True or False? The hyphae that make up toadstools are dikaryotic.
Question 14
Question
An agar plate has been innoculated with fungal spore. A diagram has been labelled with 4 distinctive zones. What are the correct names for the areas labelled A, B, C and D?
Answer
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A=Peripheral/elongation zone
B=Productive zone
C=Aged zone
D= Fruiting zone
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A=Peripheral/elongation zone
B= Fruiting zone
C=Productive zone
D=Aged zone
-
A=Productive zone
B= Peripheral/elongation zone
C= Fruiting zone
D= Aged zone
-
A= Peripheral/elongation zone
B= Productive zone
C= Fruiting zone
D= Aged zone
Question 15
Question
In which zone do aerial hyphae grow and septal pores become plugged?
Question 16
Question
True or false? You are likely to find ruderal fungi in areas of dense, well developed forest.
Question 17
Question
Which of these is a secondary invader of Pine?
Answer
-
Leptographium lundbergii
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Heterobasidium annosum
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Peniophora gigantea
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Trichoderma viride
Question 18
Question
Fungi can form mycorrizhal associations with plants. What beneficial nutrients may plants receive from this association?
Answer
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Carbon
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Nitrogen
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Phosphorous
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Oxygen
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Sugars
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Potassium
Question 19
Question
Where would you find a Hartig Net?
Question 20
Question
What are Arbuscules?
Answer
-
Specialised bundles of hyphae for nutrient absorption.
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Spore producing structures in ascomycetes.
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Part of the pre penetration apparatus used to invade a plant root.
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A network of hyphae that grow in between root epidermal cells.
Question 21
Question
What is a biotrophic fungi?
Answer
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A fungi that invades and kills tissues
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A fungi that invades but does not kill tissues
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A fungi that invades and forms a beneficial association with a plant.
Question 22
Question
Which of these structures are typical features of a biotrophic infection?
Answer
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Appressorium
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Haustorium
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Flagellum
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Dolipore
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Infection peg
Question 23
Question
What do plants use to protect themselves from fungal infections?
Answer
-
Phytoalexins
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PALDOXINS
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Cutinase
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Immunoglobins
Question 24
Question
Which of the following is spread by beetles?
Answer
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Potato blight
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Dutch Elm disease
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Ash dieback
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Wheat rust Ug99