Test
Fungi Lectures
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Preguntas del test (24)
1Which if the following best describes the ascus?
- AA sexual spore bearing cell produced in ascomycete fungi
- BA vegatitive body not differentiated into organs
- CA sexual spore bearing cell found in basidiomycete fungi
- DA transverse wall dividing hypha into sections
2Which of the following groups have no known sexual stage?
- AZygomycota
- BDeuteromycota
- CBasidiomycota
- DAscomycota
3Which of the following can fully break down lignin?
a) soft rot fungi
b) white rot fungi
c) hard rot fungi
d) heart rot fungi- Aa,b and c
- Ba only
- Cb only
- Db and d
4What enzymes do fungi use to break down lignin?
- ALignin oxidises and phenol peroxidases
- BLignin peroxidases and phenol oxidases
- CLignin peroxidases, phenol oxidises and laccases
- DLignin oxidases, phenol peroxidases and laccases
5What is the typical shape of ascomycetes fruiting body (ascocarp)?
- ACup-shaped
- BMushroom
- Cball shaped
- DShelf shaped
6After which stage of the lifecycle do the fungi nuclei become diploid?
- ADuring plasmogamy
- BDuring karyogamy
- CDuring mitosis
- DDuring meiosis
7How is the dikaryotic mycelium maintained?
- AUsing active transport
- BThrough clamp connections
- CThrough connexins
- DThrough diffusion
8Which of the following features is specific to the basidiomycetes?
- AWoronin body
- BDolipore
- CSeptal pore
- DAscocarp
9What maintains polarity in hyphae tips?
- AMicrotubules
- BActin filaments
- CProtein kinases
- DThe nucleus
10Which of these is a function of a fungal cell wall? Select the correct tickbox(es).
- AAs a molecular sieve to regulate the passage of molecules
- BTo prevent osmotic lysis
- CTo allow enzymes such as invertase to bind
- DTo protect cells from UV radiation
11What does Glucan provide in the cell wall?
- ARigidity
- BFlexibility
- CEnergy storage
- DInsulation
12How many ascospores are produced by the division of one ascus?
- A2
- B4
- C8
- D16
13True or False? The hyphae that make up toadstools are dikaryotic.
- AVerdadero
- BFalso
14An 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?
- AA=Peripheral/elongation zone
B=Productive zone
C=Aged zone
D= Fruiting zone - BA=Peripheral/elongation zone
B= Fruiting zone
C=Productive zone
D=Aged zone - CA=Productive zone
B= Peripheral/elongation zone
C= Fruiting zone
D= Aged zone - DA= Peripheral/elongation zone
B= Productive zone
C= Fruiting zone
D= Aged zone
- AA=Peripheral/elongation zone
15In which zone do aerial hyphae grow and septal pores become plugged?
- AAged zone
- Bproductive zone
- Cfruiting zone
- Dperipheral/elongation zone
16True or false? You are likely to find ruderal fungi in areas of dense, well developed forest.
- AVerdadero
- BFalso
17Which of these is a secondary invader of Pine?
- ALeptographium lundbergii
- BHeterobasidium annosum
- CPeniophora gigantea
- DTrichoderma viride
18Fungi can form mycorrizhal associations with plants. What beneficial nutrients may plants receive from this association?
- ACarbon
- BNitrogen
- CPhosphorous
- DOxygen
- ESugars
- FPotassium
19Where would you find a Hartig Net?
- AIn between epidermal root cells of a plant invaded with ectomycorrhizal fungi
- BIn the lumen of plant root cells invaded with endomycorrhizal fungi.
20What are Arbuscules?
- ASpecialised bundles of hyphae for nutrient absorption.
- BSpore producing structures in ascomycetes.
- CPart of the pre penetration apparatus used to invade a plant root.
- DA network of hyphae that grow in between root epidermal cells.
21What is a biotrophic fungi?
- AA fungi that invades and kills tissues
- BA fungi that invades but does not kill tissues
- CA fungi that invades and forms a beneficial association with a plant.
22Which of these structures are typical features of a biotrophic infection?
- AAppressorium
- BHaustorium
- CFlagellum
- DDolipore
- EInfection peg
23What do plants use to protect themselves from fungal infections?
- APhytoalexins
- BPALDOXINS
- CCutinase
- DImmunoglobins
24Which of the following is spread by beetles?
- APotato blight
- BDutch Elm disease
- CAsh dieback
- DWheat rust Ug99
Información
- Descripción
- Questions on the lecture material covered in the first 3 fungi lectures
- Autor
- Beth Moore
- Idioma
- English
- Visitas
- 73
- Etiquetas
- Valoración
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