Fungi Test 3

Total Questions:50 Total Time: 75 Min

Remaining:

 

Questions 1 of 50

Question:The term 'fungus' was coined by

Answers Choices:

Gaspard Bauhin

De Bary

E.J. Butler

Sadasivan

Questions 2 of 50

Question:Which of the following is famous mycologist of India

Answers Choices:

P. Maheshwari

M.O.P. Iyengar

K. Sharma

Sadasivan

Questions 3 of 50

Question:Who gave the parasitic nature of fungus in plants

Answers Choices:

Pasteur

Anton De Bary

Robert Koch

J.F. Kuhn

Questions 4 of 50

Question:Thread like filaments of fungi are known as

Answers Choices:

Conidia

Mycorrhiza

Sporangium

Hyphae

Questions 5 of 50

Question:In 1943 the causal organism and host of Bengal famine was

Answers Choices:

Wheat rust by Puccinia

Blast of rice by Pyricularia oryzae

Blast of rice by Xanthomonas oryzae

Brown leaf spot of rice by Helminthosporium oryzae

Questions 6 of 50

Question:Destruction of 50% maize plants in USA (1970) due to infection of

Answers Choices:

Hemileia vastratrix

Helminthosporium oryzae

Claviceps purpurea

Ustilago maydis

Questions 7 of 50

Question:Which of the following divisions of fungi includes 'Club fungi

Answers Choices:

Zygomycota

Ascomycota

Deuteromycota

Basidiomycota

Questions 8 of 50

Question:Aflatoxins are produced by

Answers Choices:

Bacteria

Viruses

Fungi

Nematodes

Questions 9 of 50

Question:Wart disease caused by Synchytrium endobioticum is found in

Answers Choices:

Cabbage

Potato

Pea

Groundnut

Questions 10 of 50

Question:Septum in eumycota fungi, bearing a complex pore is designated as a

Answers Choices:

Coenocyte

Septate hypha

Dolipore septum

Secondary simple pore

Questions 11 of 50

Question:Which of the following secretes toxins during storage conditions of crop plants

Answers Choices:

Fusarium

Pencillium

Aspergillus

Colletotrichum

Questions 12 of 50

Question:A fungus contains cells with two nuclei from different genomes. The nuclei do not fuse but divide independently and simultaneously as new cells are formed. It belongs to

Answers Choices:

Phycomycetes

Zygomycetes

Deuteromycetes

Basidiomycetes

Questions 13 of 50

Question:Covered smut of Sorghum is caused by

Answers Choices:

Sphacelotheca cruenta

Sphacelotheca sorghii

Sphacelotheca reiliana

Tolyposporium ehrenbergii

Questions 14 of 50

Question:Penicillium roqueforti and P. Camembertti are responsible for

Answers Choices:

Pathogenic disease in man

Imparting flavour to cheese

Pathogenic disease in plants

None of these

Questions 15 of 50

Question:All heterotrophs requires an environment which can provide

Answers Choices:

Nitrates in solution

Organic compounds

Ammonium salts

Vitamin-A

Questions 16 of 50

Question:Fungus used in genetic experiments is

Answers Choices:

Rhizopus

Mucor

Neurospora

Claviceps

Questions 17 of 50

Question:A type of life cycle in which plasmogamy, karyogamy, haplodization take place but not at specific place in life cycle of an organism is called as

Answers Choices:

Parasexuality

Heterozygosity

Homozygosity

Asexuality

Questions 18 of 50

Question:We can demarcate a facultative parasite as one which

Answers Choices:

Inevitably requires living host

Only requires dead organic matter to live

Is actually a parasite but can also become saprophyte

Is actually a saprophyte but can also become a parasite

Questions 19 of 50

Question:Which of the following is the characteristic feature of ascomycetes

Answers Choices:

Hyphae

Spores

Zoospores

Ascospores

Questions 20 of 50

Question:Citric acid is produced by

Answers Choices:

Aspergillus niger

Candida

Penicillium notatum

Acetobacter xylanicum

Questions 21 of 50

Question:Claviceps purpurea grows as parasite

Answers Choices:

In human gut

In sugar cane roots

On pine needles

On fruits of grasses

Questions 22 of 50

Question:Which is not true for fungi

Answers Choices:

They can be saprophytic

They can be multicellular

They can be photosynthetic

They can be anaerobic

Questions 23 of 50

Question:Zygospore is formed from

Answers Choices:

Gametangial copulation

Gametic union

Zygote

Oogamy

Questions 24 of 50

Question:Bakanae disease was due to

Answers Choices:

Fungi toxin

Growth homones released by fungal infection

Inadequate nutrients

Change in photoperiods

Questions 25 of 50

Question:Coenogametes are formed in

Answers Choices:

Albugo

Saccharomyces

Rhizopus

Alternaria

Questions 26 of 50

Question:Under favourable conditions Mucor reproduces

Answers Choices:

Asexually

Sexually

Parasexually

None of the above

Questions 27 of 50

Question:Warm and humid condition is most favourable for the growth of

Answers Choices:

Mucor

Moss

Selagine'lla

Pinus

Questions 28 of 50

Question:In Mucor, asexual reproduction takes place by

Answers Choices:

Motile zoospores

Spores

Zoogametes

Zygospores

Questions 29 of 50

Question:Which of the following plant and its mode of nutrition is not, correctly matched

Answers Choices:

Cuscuta-Stem parasite

Mucor-Autotroph

Orobanche-Root parasite

Drosera-Insectivorous

Questions 30 of 50

Question:Which one of the following fungus shows heterothallism

Answers Choices:

Erisyphe

Peziza

Rhizopus

Peronospora

Questions 31 of 50

Question:Common bread mould is

Answers Choices:

Rhizopus oryzae

Rhizobium species

Rhizopus nedosus

Rhizopus stolonifer

Questions 32 of 50

Question:The negatively geotrophic and unbranched hyphae in Rhizopus are known as

Answers Choices:

Zygospore

Stoloniferous

Sporangiophores

Rhizoidal hyphae

Questions 33 of 50

Question:In Rhizopus if conjugation fails, gametangia behave as zygospore. It is called as

Answers Choices:

Conidia

Parthenospore

Gametangia

Sporangiospore

Questions 34 of 50

Question:The reduction division in the life cycle of Rhizopus occurs

Answers Choices:

At the time of germination of zygospores

During the formation of germ sporangium

During asexual reproduction

During the formation of gametangium

Questions 35 of 50

Question:Species of Rhizopus

Answers Choices:

Homothallic

Heterothallic

Mostly homothallic rarely heterothallic

Mostly heterothallic rarely homothallic

Questions 36 of 50

Question:For Mucor zygospore is

Answers Choices:

Thick walled resting spore

Haploid in structure

Result of asexual reproduction

Germinates to form zoospores

Questions 37 of 50

Question:During budding the primary septum separating the parent cell and the bud is made up of

Answers Choices:

Glycogen

Mannan

Chitin

Cellulose

Questions 38 of 50

Question:Which organism is used to obtain the single cell protein

Answers Choices:

Bacteria

Yeast

Filamentous Fungi

All of the above

Questions 39 of 50

Question:Yeast differs from Rhizopus in being

Answers Choices:

Multicellular and coenocytic

Unicellular and uninucleate

Unicellular and coenocytic

Filamentous

Questions 40 of 50

Question:Pseudomycelium is formed in

Answers Choices:

Yeast

Rhizophora

Aspergillus

Synchytrium

Questions 41 of 50

Question:Mycorrhiza is a

Answers Choices:

Long thin root

Association of root and fungus

Root like underground stem

Parasitic root

Questions 42 of 50

Question:The symbiotic association of fungi and algae is called

Answers Choices:

Lichen

Mycorrhiza

Both 1 and 2

Mycoplasma

Questions 43 of 50

Question:Mycorrhiza works as

Answers Choices:

Modified root

An organism for vegetative propagation

A root hair in adverse condition

Mechanical tissue for support

Questions 44 of 50

Question:Which statements is wrong about lichens

Answers Choices:

Some species are eaten by reindeers

Lichens are indicators of pollution

They grow rapidly about 2cm per day

They have symbiotic relationship between alga and fungus

Questions 45 of 50

Question:Fungal partner of a lichen is commonly

Answers Choices:

Ascomycetes

Basidiomycetes

Phycomycetes

Deuteromycetes

Questions 46 of 50

Question:Association of fungus with roots of tracheophytes is

Answers Choices:

Mycorrhiza

Commensalism

Helotism

Amensalism

Questions 47 of 50

Question:Usnea is a

Answers Choices:

Fungus

Bacterium

Lichen

Bryophyte

Questions 48 of 50

Question:Mycorrhiza is a relationship of roots of Pinus and

Answers Choices:

Fungus

Alga

Bacteria

Ants

Questions 49 of 50

Question:Which of the following symbiotic association is not useful as biofertilizer

Answers Choices:

Rhizobium and leguminous roots

Algae and fungi

Azolla and Anabaena

Roots of higher plants and fungi

Questions 50 of 50

Question:Mycorrhiza exhibits the phenomenon of

Answers Choices:

Antagonism

Endemism

Parasitism

Symbiosis