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Quiz von Beth Moore, aktualisiert more than 1 year ago
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Erstellt von Beth Moore
vor fast 10 Jahre
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Frage 1
Frage
Which if the following best describes the ascus?
Antworten
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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
Frage 2
Frage
Which of the following groups have no known sexual stage?
Antworten
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Zygomycota
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Deuteromycota
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Basidiomycota
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Ascomycota
Frage 3
Frage
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
Antworten
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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
Frage 4
Frage
What enzymes do fungi use to break down lignin?
Antworten
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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
Frage 5
Frage
What is the typical shape of ascomycetes fruiting body (ascocarp)?
Antworten
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Cup-shaped
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Mushroom
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ball shaped
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Shelf shaped
Frage 6
Frage
After which stage of the lifecycle do the fungi nuclei become diploid?
Antworten
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During plasmogamy
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During karyogamy
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During mitosis
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During meiosis
Frage 7
Frage
How is the dikaryotic mycelium maintained?
Antworten
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Using active transport
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Through clamp connections
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Through connexins
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Through diffusion
Frage 8
Frage
Which of the following features is specific to the basidiomycetes?
Antworten
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Woronin body
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Dolipore
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Septal pore
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Ascocarp
Frage 9
Frage
What maintains polarity in hyphae tips?
Antworten
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Microtubules
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Actin filaments
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Protein kinases
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The nucleus
Frage 10
Frage
Which of these is a function of a fungal cell wall? Select the correct tickbox(es).
Antworten
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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
Frage 11
Frage
What does Glucan provide in the cell wall?
Antworten
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Rigidity
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Flexibility
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Energy storage
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Insulation
Frage 12
Frage
How many ascospores are produced by the division of one ascus?
Antworten
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2
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4
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8
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16
Frage 13
Frage
True or False? The hyphae that make up toadstools are dikaryotic.
Antworten
- True
- False
Frage 14
Frage
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?
Antworten
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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
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A=Productive zone B= Peripheral/elongation zone C= Fruiting zone D= Aged zone
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A= Peripheral/elongation zone B= Productive zone C= Fruiting zone D= Aged zone
Frage 15
Frage
In which zone do aerial hyphae grow and septal pores become plugged?
Antworten
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Aged zone
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productive zone
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fruiting zone
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peripheral/elongation zone
Frage 16
Frage
True or false? You are likely to find ruderal fungi in areas of dense, well developed forest.
Antworten
- True
- False
Frage 17
Frage
Which of these is a secondary invader of Pine?
Antworten
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Leptographium lundbergii
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Heterobasidium annosum
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Peniophora gigantea
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Trichoderma viride
Frage 18
Frage
Fungi can form mycorrizhal associations with plants. What beneficial nutrients may plants receive from this association?
Antworten
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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
Frage 19
Frage
Where would you find a Hartig Net?
Antworten
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In between epidermal root cells of a plant invaded with ectomycorrhizal fungi
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In the lumen of plant root cells invaded with endomycorrhizal fungi.
Frage 20
Frage
What are Arbuscules?
Antworten
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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.
Frage 21
Frage
What is a biotrophic fungi?
Antworten
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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.
Frage 22
Frage
Which of these structures are typical features of a biotrophic infection?
Antworten
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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
Frage 23
Frage
What do plants use to protect themselves from fungal infections?
Antworten
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Phytoalexins
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PALDOXINS
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Cutinase
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Immunoglobins
Frage 24
Frage
Which of the following is spread by beetles?
Antworten
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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
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