Kingdom Fungi Questions and Answers

Kingdom Fungi MCQ (Multiple Choice Questions and Answers)

Question 1 : The wall of Rhizopus hypha is composed of

A) Cellulose

B) Chitin

C) Pectin

D) Hemicellulose

Answer : B

Question 2 : The mode of nutrition of Rhizopus, Yeast and Penicillium is

A) Parasitic

B) Saprophytic

C) Symbiotic

D) Autotrophic

Answer : B

Question 3 : The hyphae of Rhizopus are

A) Unbranched, aseptate and uninucleate

B) Branched, septate and uninucleate

C) Unbranched, aseptate and multinucleate

D) Unbranched, septate and coenocytic

Answer : C

Question 4 : The branches of conidiophores of Penicillium end in conidia bearing bottle shaped structures which are called

A) Metulae

B) Sterigmata

C) Paraphyses

D) Ramenta

Answer : B

Question 5 : Thread like filaments which form the plant body of fungi are

A) Rhizoids

B) Paraphyses

C) Hyphae

D) Haptera

Answer : C

Question 6 : Yeast like budding of Oidia in Mucor/Rhizopus is called

A) Palmella

B) Chantransia

C) Torula

D) Gongrosira

Answer : C

Question 7 : The common mode of reproduction in Rhizopus is by 

A) Sporangiospores

B) Oidia

C) Plasmospores

D) Zoospores

Answer : A

Question 8 : The gametes in Rhizopus develop in specially formed cells known as 

A) Suspensor cell

B) Progametangia

C) Gametangia

D) Antheridia

Answer : C

Question 9 : Thick walled asexual spored formed by Rhizopus, are

A) Aplansopores

B) Akinetes

C) Plasmospores

D) Chlamydospores

Answer : D

Question 10 : Root rot of Sweet Potato is caused by

A) Mucor mucedo

B) Rhizopus oryzae

C) Rhizopus stolonifer

D) Penicillium notatum

Answer : C

Question 11 : Which of the following is a good example of heterothallism

A) Spirogyra

B) Rhizopus

C) Pinus

D) Castor bean

Answer : B

Question 12 : The zygospore of Rhizopus contains much amount of fat globules. It is thick walled and the color is

A) Green

B) White

C) Grey

D) Black

Answer : D

Question 13 : The cell wall of yeast is composed of

A) Cellulose

B) Pectose

C) Pectin

D) Chitin and mannan

Answer : D

Question 14 : In endomycorrhiza, the fungus is commonly

A) Zygomycete

B) Phycomycete

C) Ascomycete

D) Basidiomycete

Answer : A

Question 15 : In ectomycorrhiza, the fungus is generally

A) Zygomycete

B) Phycomycete

C) Ascomycete

D) Basidiomycete

Answer : D

Question 16 : Fleming discovered Penicillin from

A) Penicillium notatum

B) P. roqueforti

C) P. camemberti

D) P. chrysogenum

Answer : A

Question 17 : In yeast the sexual reproduction is by conjugation. After fusion the zygotic nucleus divides meiotically and forms haploid spores. The unicellular structure with haploid spores is

A) Sporangium

B) Gametangium

C) Ascus

D) Zoospoarangium

Answer : C

Question 18 : Fungus used for the fermentation of cheese is

A) Mucor mucedo

B) Rhizopus nigricans

C) Penicillium camemberti

D) Penicillium chrysogenum

Answer : C

Question 19 : Sometimes in yeast the conjugation takes place between a parent cell and a bud.  It is

A) Isogamy

B) Predogamy

C) Pseudogamy

D) Syngamy

Answer : B

Question 20 : Number of ascopores formed in Sacchromyces cerevisiae is

A) 4

B) 8

C) 16

D) 2

Answer : A

Question 21 : When a moist bread is kept exposed in air, it becomes mouldy and black because

A) Spores are present in the water

B) Spores are present in the bread

C) Spores are present in the air

D) The bread decomposes

Answer : C

Question 22 : In Penicillium the mycelium bears sex organs. The male organ is called antheridium while the female one is known as

A) Archegonium

B) Spermatangium

C) Ascogonium

D) Sporogonium

Answer : C

Question 23 : The rusts are serious diseases of our economic plants. The disease is caused by the fungus

A) Rhizopus

B) Ustilago

C) Puccinia

D) Agaricus

Answer : C

Question 24 : In Penicillium the asexual reproduction takes place by

A) Ascospore

B) Aplanospores

C) Sporangiospores

D) Conidia

Answer : D

Question 25 : The smuts of crop plants are caused by 

A) Puccinia

B) Cystopus

C) Ustilago

D) Agaricus

Answer : C

Question 26 : The edible fungi are

A) Rusts

B) Moulds

C) Mildews

D) Mushrooms

Answer : D

Question 27 : Penicillium is economically important because it

A) Causes pathogenic diseases

B) Spoils food material

C) Used in preparation of alcohol

D) Provides antibiotic drugs

Answer : D

Question 28 : In mycorrhiza, the tips of fungal hyphae occur inside cortical cells in 

A) Ectomycorrhiza

B) Endomycorrhiza

C) Exomycorrhiza

D) None of the above

Answer : B

Question 29 : Amanita, a poisonous fungus is a 

A) Mushroom

B) Bracket Fungus

C) Toadstool

D) Puffball

Answer : C

Question 30 : The important antibiotic wonder drug extracted from Penicillium is

A) Penicillin

B) Aureomycin

C) Streptomycin

D) Terramycin

Answer : A

Question 31 : The conidia are borne on sterigmata which are in turn borne by 

A) Rami

B) Metulae

C) Phialides

D) Conidiophores

Answer : B

Question 32 : Penicillin is produced by

A) P. chrysogenum

B) P. divaricatum

C) P. expansum

D) P. claviforme

Answer : A

Question 33 : A crutose lichen is

A) Graphis

B) Parmelia

C) Cladonia

D) Usnea

Answer : A

Question 34 : Penicillium roqueforti and P. camemberti are responsible for

A) Pathogenic diseases in man

B) Pathogenic diseases in plants

C) Imparting flavours to cheese and ripe fruits

D) None of the above

Answer : C

Question 35 : The bread becomes soft and porous when the yeast cells are mixed in the lump of dough of wheat flour, because

A) Yeast is soft and flour also becomes soft

B) Yeast produces acetic acid and alcohol which gives softness to the bread

C) Evolution of CO2 makes the bread spongy

D) Yeast produces benzoic acid

Answer : C

Question 36 : Which of the following is not a fungus?

A) Sargassum

B) Mucor

C) Agaricus

D) Morchella

Answer : A

Question 37 : Facultative saprophyte is

A) Parasite but can be a saprophyte

B) Always parasite

C) Always saprophyte

D) Saprophyte but acquires a parasitic mode

Answer : A

Question 38 : In Mucor and Rhizopus there occurs a phenomenon known as heterothallism which means

A) Fusion of two gametes from two thalli of opposite strains

B) Fusion of two gametes from thalli of similar strains

C) Formation of a zygospore parthenogenetically

D) Torula stage

Answer : A

Question 39 : A facultative parasite is one which?

A) Always requires a living host

B) Is normally a saprophyte but can also become a parasite

C) Is normally parasitic but can also become saprophyte

D) Always requires dead organic matter

Answer : B

Question 40 : Which of the following is an edible fungus?

A) Rhizopus

B) Penicillium

C) Mucor

D) Agaricus

Answer : D

Question 41 : Asci are formed in

A) Ascobolus

B) Saccharomyces

C) Penicillium

D) All the above

Answer : D

Question 42 : Lichens are organisms

A) Algal

B) Fungal

C) Composite

D) Prostistan

Answer : C

Question 43 : Which of the following diseases is caused by a fungus

A) Small pox

B) Tuberculosis

C) Cancer

D) Black rust of wheat

Answer : D

Question 44 : The feeding structure of the fungus is the

A) Mycelium

B) Rhizomrph

C) Sclerotium

D) Penicillus

Answer : A

Question 45 : ‘Ergot’ is obtained from

A) Puccinia

B) Rhizopus

C) Claviceps

D) Yeast

Answer : C

Question 46 : L.S.D. is derived from

A) Fungus

B) Bacteria

C) Alcohol

D) 2, 4-D

Answer : A

Question 47 : Agaricus is a member of

A) Ascomycetes

B) Deuterimycetes

C) Basidiomycetes

D) Phycomycetes

Answer : C

Question 48 : Loose smut of wheat is caused by

A) Ustilago tritici

B) Cystopus tritici

C) Puccinia graminis

D) Aspergillus graminis

Answer : A

Question 49 : Mycorrhiza, a relationship in between fungi and roots of higher plants, is

A) Parasitic relationship

B) Saprophytic relationship

C) Symbiotic relationship

D) Epiphytic relationship

Answer : C

Question 50 : Zygospore of Mucor/Rhizopus germinates to form

A) Mycelium

B) Promycelium

C) Hyphae

D) Germ tube

Answer : B