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Botany > Fungi (Biological Classification) > Flashcards

Fungi (Biological Classification) Flashcards

1
Q

Wheat rust caused by

A

Puccinia

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2
Q

White spots on mustard leaves are due to

A

Parasitic fungi

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3
Q

Hyphae with continuous tubes filled with multi nucleated cytoplasm

A

Coenocytic hyphae

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4
Q

Cell walls of fungi are composed of

A

Chitin and polysaccharides

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5
Q

Vegetative means of fungal reproduction

A

Budding
Fusion
Fragmentation

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6
Q

Asexual reproduction in fungi is by?

A

Conidia
Zoospores
sporangiospores

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7
Q

Sexual reproduction in fungi by?

A

Oospores
Ascospores
Basidiospores

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8
Q

The steps of sexual cycle and fungi

A

Plasmogamy
Karyogamy
Meiosis

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9
Q

What is the intervening stage that occurs in Ascomycetes and Basidiomycetes

A

Dikarotic stage ( n+ n )

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10
Q

Characteristics on basis of which fungi are separated into Classes

A

Morphology of mycelium.
Mode of spore formation.
Fruiting bodies.

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11
Q

Members of Phycomycetes are found where

A

Aquatic habitats
Decaying wood in moist and damp places.
As obligate parasites on plants.

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12
Q

Mycelium of Phycomycetes is

A

Coenocytic and Aseptate

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13
Q

Asexual reproduction takes place by ?
(Phycomycetes)

A

Zoospores(motile)
Aplanospores ( non motile)

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14
Q

Zoospores and aplanosproes are formed _______ produced in a ______

A

Endogenously
Sporangium

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15
Q

Zygospore is formed by ?

A

Fusioin of two gametes

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16
Q

Phycomycetes examples

A

Mucor
Rhizopus( bread mould)
Albugo ( parasitc fungi on mustard)

17
Q

Ascomycetes are commonly known as?

A

Sac fungi

18
Q

Unicellular ascomycetes

A

Yeast

19
Q

Ascomycetes mode of nutrition

A

Saprophytic , Decomposers or parasitic
Or coprolhilous ( growning on dung)

20
Q

Ascomycetes mycelium is

A

Branched and aseptate

21
Q

Ascomycetes
The asexual spores are ….. produced …… on special mycelium called ……..

A

Conidia
exogenously
Conidiophores

22
Q

Ascomycetes
Sexual spores are called …….. which are produced …….. in sac like ….. which are arranged in different types of fruiting bodies called ……..

A

Ascospores
endogenously
Asci ( sing. Ascus)
Ascocarps

23
Q

Ascomycetes examples

A

Yeast
Penicillium
Aspergillus
Claviceps
Neurospora

24
Q

Edible Ascomycetes

A

Morels and truffels

25
Q

Ascomycetes used in biochemical and genetic research

A

Neurospora

26
Q

Class of fungi which has large members having easily visible fruiting bodies or reproductive structures

A

Basidiomycetes

27
Q

Where do Basidiomycetes grow

A

In soil
On logs and tree stumps
in living plants as parasites

28
Q

Parasitic Basidiomycetes

A

Rusts and Smuts

29
Q

Basidiomycetes
Mycelium is ?

A

Branched and Septate

30
Q

Basidiomycetes
Asexual spores are ………….. but vegetative reproduction by …….. is common

A

commonly not found
fragmentation

31
Q

Basidiomycetes
……… are absent , but plasmogamy is brought about by?

A

Sex organs
fusion of two vegetative cells of different strains or genotypes

32
Q

Basidiomycetes
Karyogramy and meiosis take place in the …….producing…. Basidospores

A

Basidium
4

33
Q

The basidiospores are ….. produced on the ……. Which are arranged in fruiting bodies called ……..

A

Exogenously
Basidium
Basidocarps

34
Q

Basidiomycetes
Some common members are ?

A

Agaricus (mushroom)
ustilago ( smut)
Puccinia ( rust fungus)

35
Q

Deuteromycetes
Are commonly known as …….. and why

A

Imperfect fungi
Because only the asexual or vegetative faces of these fungi are known 

36
Q

Deuteromycetes reproduce only by asexual spores, known as ….

A

Conidia

37
Q

Deuteromycetes
Mycelium is 

A

Branched and septate 

38
Q

Deuteromycetes
Some members are …. or .… While a large number of them are ………. and help in ..… Cycling.

A

Saprophytic
Parasitic
Decomposers of letter.
Mineral.

39
Q

Deuteromycetes
Some examples are

A

Alternaria
Collectotrichum
Trichoderma

Botany (4 decks)

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