Fungi (Biological Classification)

Question 1

Wheat rust caused by

Answer 1

Puccinia

Question 2

White spots on mustard leaves are due to

Answer 2

Parasitic fungi

Question 3

Hyphae with continuous tubes filled with multi nucleated cytoplasm

Answer 3

Coenocytic hyphae

Question 4

Cell walls of fungi are composed of

Answer 4

Chitin and polysaccharides

Question 5

Vegetative means of fungal reproduction

Answer 5

Budding
Fusion
Fragmentation

Question 6

Asexual reproduction in fungi is by?

Answer 6

Conidia
Zoospores
sporangiospores

Question 7

Sexual reproduction in fungi by?

Answer 7

Oospores
Ascospores
Basidiospores

Question 8

The steps of sexual cycle and fungi

Answer 8

Plasmogamy
Karyogamy
Meiosis

Question 9

What is the intervening stage that occurs in Ascomycetes and Basidiomycetes

Answer 9

Dikarotic stage ( n+ n )

Question 10

Characteristics on basis of which fungi are separated into Classes

Answer 10

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

Question 11

Members of Phycomycetes are found where

Answer 11

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

Question 12

Mycelium of Phycomycetes is

Answer 12

Coenocytic and Aseptate

Question 13

Asexual reproduction takes place by ?
(Phycomycetes)

Answer 13

Zoospores(motile)
Aplanospores ( non motile)

Question 14

Zoospores and aplanosproes are formed _______ produced in a ______

Answer 14

Endogenously
Sporangium

Question 15

Zygospore is formed by ?

Answer 15

Fusioin of two gametes

Question 16

Phycomycetes examples

Answer 16

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

Question 17

Ascomycetes are commonly known as?

Answer 17

Sac fungi

Question 18

Unicellular ascomycetes

Answer 18

Yeast

Question 19

Ascomycetes mode of nutrition

Answer 19

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

Question 20

Ascomycetes mycelium is

Answer 20

Branched and aseptate

Question 21

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

Answer 21

Conidia
exogenously
Conidiophores

Question 22

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

Answer 22

Ascospores
endogenously
Asci ( sing. Ascus)
Ascocarps

Question 23

Ascomycetes examples

Answer 23

Yeast
Penicillium
Aspergillus
Claviceps
Neurospora

Question 24

Edible Ascomycetes

Answer 24

Morels and truffels

Question 25

Ascomycetes used in biochemical and genetic research

Answer 25

Neurospora

Question 26

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

Answer 26

Basidiomycetes

Question 27

Where do Basidiomycetes grow

Answer 27

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

Question 28

Parasitic Basidiomycetes

Answer 28

Rusts and Smuts

Question 29

Basidiomycetes Mycelium is ?

Answer 29

Branched and Septate

Question 30

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

Answer 30

commonly not found fragmentation

Question 31

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

Answer 31

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

Question 32

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

Answer 32

Basidium 4

Question 33

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

Answer 33

Exogenously Basidium Basidocarps

Question 34

Basidiomycetes Some common members are ?

Answer 34

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

Question 35

Deuteromycetes Are commonly known as …….. and why

Answer 35

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

Question 36

Deuteromycetes reproduce only by asexual spores, known as ….

Answer 36

Conidia

Question 37

Deuteromycetes Mycelium is 

Answer 37

Branched and septate 

Question 38

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

Answer 38

Saprophytic Parasitic Decomposers of letter. Mineral.

Question 39

Deuteromycetes Some examples are

Answer 39

Alternaria Collectotrichum Trichoderma