According to two kingdom classification fungi were placed in kingdom
1.Plantae
2.Animalia
3.Protista
4.Fungi
All such fungi in which sexual phase has not been observed are present in
1.Zygomycota
2.Ascomycota
3.Basidiomycota
4.Deuteromycota
An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:
1.Mycorrizael association
2.Endomycorrhizae
3.Ectomycorrhizae
4.Lichen
An enzyme which can convert single stranded RNA into double stranded viral DNA is called:
1.DNAase
2.RNAase
3.DNA polymrase
4.Reverse Transcriptase
At which stage in the life cycle of Rhizopus meiosis takes place?
1.Formation of sporangiophore via germination of zygospore.
2.Formation of spores in sporangia
3.Fusion of two hyphae
4.Formation of Zygote by fusion of gametangia.
By which of the following mechanism unicellular yeast reproduce?
1.Sporing
2.Conidiation
3.Budding
4.Fragmentation
Coenocytic hyphae are also known as
1.Septate
2.Perforated hyphae
3.Aseptate
4.Uninucleate hyphae
Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
1.Polio
2.Hepatitis
3.AIDS
4.HIV
Constricting ring around nematode is formed by
1.Arthrobotrys
2.Pleurotus ostreatus
3.Mildews
4.All of these
Death cap/death angel (Amanita) and Jack O Latern mushroom are examples of
1.Edible mushrooms
2.Poisonous mushrooms
3.Both of these
4.Both of these
Ecological role of fungi as decomposers is only paralleled by
1.Cyanobacteria
2.Blue green algae
3.Bacteria
4.Virus
Foliose lichen are
1.Stem like
2.Branching
3.Leaf like
4.Crust like
For which of the following no preventive vaccine is available
1.HAV
2.HBV
3.HCV
4.HEV
Fungi can tolerate pH from
1.3?7
2.2?6
3.2?9
4.3?6
Fungi which get their food directly from dead organic matter are called?
1.Parasitic fungi
2.Predators
3.Mutualists
4.Decomposers
How many species of ascomycota occur in lichen symbiotic association?
1.30%
2.40%
3.50%
4.60%
How many species of fungi are known till now
1.10000
2.100000
3.10000000
4.1000
How many species of mushrooms are edible?
1.100
2.200
3.3000
4.4000
In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called:
1.Lysis
2.Lysogeny
3.Induction
4.Adsorption
In the Lysogenic cycle the DNA of the bacteriophage:
1.Joins the bacterial chromosomes.
2.Attaches to the inner surface of the host membrane
3.Is immediately degraded when enters the host.
4.Goes directly to host ribosomes for translation
In the lytic cycle of bacteriophage the host DNA is:
1.Replicated
2.Turn off by the protein coat.
3.Digested into its nucleotides
4.Turned on by the removal of the protein coat
In which of the following example of fungi dikaryotic hyphae exist for long period?
1.Deuteromycota
2.Basidiomycota
3.Zygomycota
4.All of these
Lichen is a symbiotic mutualistic association of fungi with
1.Autotrophs
2.Roots of vascular plants
3.Green algae and cyanobacterium
4.Leguminous plants
Mode of nutrition in penecillium is
1.Saprotrophs
2.Parasitic
3.Predators
4.Mutualistics
Mode of transmission of hepatitis A is :
1.Serum
2.Faeco-oral
3.Sexual contact
4.All of these
Mycorrhizae are found in about ______ vascular plants
1.90%
2.95%
3.98%
4.96%
Oyster mushroom is an example of predator fungi which attack on
1.Pin warms
2.Tape worms
3.Round worms
4.Platehelminthes
Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called
1.Mildew
2.Constricting ring
3.Haustoria
4.All of these
Penicillium reproduce via
1.Spores
2.Conidia
3.Budding
4.Fragmentation
Root like structure in saprotrophic fungi are called
1.Rhizodis
2.Haustoria
3.Hyphae
4.Constricting rings
Simple breaking of mycelium resulting in formation of a new mycelium from each broken segments is called
1.Sporing
2.Conidiation
3.Budding
4.Fragmentation
Spores in sporangia are produced by process.
1.Sexual
2.Asexual
3.Both of these
4.None of these
Temperate phage may exist as :
1.Prophage
2.Capsid
3.Viron
4.Retrovirus
The Kingdom of recyclers is known as kingdom
1.Algae
2.Bacteria
3.Fungi
4.Embryophata
Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called
1.Parasitic fungi
2.Obligate parasitic fungi
3.Facultative parasitic fungi
4.All of these
Tobacco mosaic virus is :
1.Spherical
2.Rod Shaped
3.Tadpole like
4.Hexagonal
Type of lichen which tightly attaches to rocks is
1.Parmelia
2.Fruticose
3.Foliose
4.Crustose
Unicellular fungi which is non-hyphal is
1.Mushroom
2.Yeast
3.Penicillium
4.Mold
Which of the following disease results in Paralysis due to viral attack on C.N.S:
1.Measles
2.Herpes simplex
3.Hepatitis
4.Polio
Which of the following group represent pathological fungi?
1.Mushrooms morels and truffles
2.Rusts smuts and molds
3.Penicillium
4.All of these
Which of the following is an RNA virus:
1.Influenza virus
2.Herpes virus
3.HBV
4.Pox virus
Which of the following is called black bread mold?
1.Pilobolus
2.Penicillium
3.Neurospora
4.Rhizopus
Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage:
1.Phage when gets incorporated with the bacterial chromosome is called prophage.
2.The bacterium continues to live and reproduce normally
3.Lysogenic bacteria may get infected by the related phage.
4.The cycle may convert into lytic type resulting from environmental exposure.
Which of the following is the smallest known virus:
1.Hepatitis virus
2.Retrovirus
3.Polio virus
4.Pox virus
Which of the following statement about AIDS is incorrect:
1.is a host specific disease
2.An infected mother cannot pass the virus to her baby.
3.Results in enlargement of lymph nodes
4.Can be prevented.
Which of the following statement is incorrect about asexual reproduction by spores in fungi?
1.Spores are haploid structures
2.They are dispersed via wind water and insects
3.On falling to a suitable place they germinate
4.These are produced through fruiting bodies like ascocarps and basidiocarps.
Which of the following virus has special affiliations with the tumor production:
1.Hepatitis virus
2.Retrovirus
3.Polio virus
4.Pox virus
Which one of the following is different from all the rest regarding the number of cells inits body?
1.Rusts
2.Mushrooms
3.Molds
4.Yeasts
Which one of the following is the largest group of fungi?
1.Zygomycota
2.Ascomycota
3.Basidiomycota
4.Deuteromycota
Which one of the following specially result in chronic liver disease leading to hepatic failure:
1.HAV
2.HBV
3.HCV
4.HEV