Fungi (Biological Classification) Flashcards
Wheat rust caused by
Puccinia
White spots on mustard leaves are due to
Parasitic fungi
Hyphae with continuous tubes filled with multi nucleated cytoplasm
Coenocytic hyphae
Cell walls of fungi are composed of
Chitin and polysaccharides
Vegetative means of fungal reproduction
Budding
Fusion
Fragmentation
Asexual reproduction in fungi is by?
Conidia
Zoospores
sporangiospores
Sexual reproduction in fungi by?
Oospores
Ascospores
Basidiospores
The steps of sexual cycle and fungi
Plasmogamy
Karyogamy
Meiosis
What is the intervening stage that occurs in Ascomycetes and Basidiomycetes
Dikarotic stage ( n+ n )
Characteristics on basis of which fungi are separated into Classes
Morphology of mycelium.
Mode of spore formation.
Fruiting bodies.
Members of Phycomycetes are found where
Aquatic habitats
Decaying wood in moist and damp places.
As obligate parasites on plants.
Mycelium of Phycomycetes is
Coenocytic and Aseptate
Asexual reproduction takes place by ?
(Phycomycetes)
Zoospores(motile)
Aplanospores ( non motile)
Zoospores and aplanosproes are formed _______ produced in a ______
Endogenously
Sporangium
Zygospore is formed by ?
Fusioin of two gametes
Phycomycetes examples
Mucor
Rhizopus( bread mould)
Albugo ( parasitc fungi on mustard)
Ascomycetes are commonly known as?
Sac fungi
Unicellular ascomycetes
Yeast
Ascomycetes mode of nutrition
Saprophytic , Decomposers or parasitic
Or coprolhilous ( growning on dung)
Ascomycetes mycelium is
Branched and aseptate
Ascomycetes
The asexual spores are ….. produced …… on special mycelium called ……..
Conidia
exogenously
Conidiophores
Ascomycetes
Sexual spores are called …….. which are produced …….. in sac like ….. which are arranged in different types of fruiting bodies called ……..
Ascospores
endogenously
Asci ( sing. Ascus)
Ascocarps
Ascomycetes examples
Yeast
Penicillium
Aspergillus
Claviceps
Neurospora
Edible Ascomycetes
Morels and truffels
Ascomycetes used in biochemical and genetic research
Neurospora
Class of fungi which has large members having easily visible fruiting bodies or reproductive structures
Basidiomycetes
Where do Basidiomycetes grow
In soil
On logs and tree stumps
in living plants as parasites
Parasitic Basidiomycetes
Rusts and Smuts
Basidiomycetes
Mycelium is ?
Branched and Septate
Basidiomycetes
Asexual spores are ………….. but vegetative reproduction by …….. is common
commonly not found
fragmentation
Basidiomycetes
……… are absent , but plasmogamy is brought about by?
Sex organs
fusion of two vegetative cells of different strains or genotypes
Basidiomycetes
Karyogramy and meiosis take place in the …….producing…. Basidospores
Basidium
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The basidiospores are ….. produced on the ……. Which are arranged in fruiting bodies called ……..
Exogenously
Basidium
Basidocarps
Basidiomycetes
Some common members are ?
Agaricus (mushroom)
ustilago ( smut)
Puccinia ( rust fungus)
Deuteromycetes
Are commonly known as …….. and why
Imperfect fungi
Because only the asexual or vegetative faces of these fungi are known 
Deuteromycetes reproduce only by asexual spores, known as ….
Conidia
Deuteromycetes
Mycelium is 
Branched and septate 
Deuteromycetes
Some members are …. or .… While a large number of them are ………. and help in ..… Cycling.
Saprophytic
Parasitic
Decomposers of letter.
Mineral.
Deuteromycetes
Some examples are
Alternaria
Collectotrichum
Trichoderma
