Chapter 1 - Classification Flashcards
Mycelium in deuteromycetes is
Septate ( branched )
Ascospore are endo one exo
Endogenous
Note : maybe all spores except conidia are endogenous in natur
MW Stanley showed that viruses could be crystallised and the crystals consists largely of proteins in the year _______
1935
3 KINGDOM CLASSIFICATION WAS GIVEN BY
ERNST HACKELL
MOST EXTENSIVE METABOLIC DIVERSITY
BACTERIA
FLAGELLA AND A RIGID CELL WALL IS PRESENT ONLY IN WHICH BACTERIA
EUBACTERIA
BACTERIA ARE ______________ IN STRUCTURAL AND__________ IN BEHAVIOR
SIMPLE, COMPLEX
BLOOMS IN POLLUTED WATER BODIES ARE FORMED BY
CYNOBACTERIA, BLUE GREEN ALGAE
Cyanobacteria or BGA are bacteria or algae
eubacteria
Number of flagella found in dinoflagellates
2
ARCHE BACTERIA DIFFER FROM OTHER BACTERIA IN HAVING DIFFRENT
CELL WALL STRUCTURE
CYANOBACTERIA HAVE WHICH CHLORO
A . Similar to green plants
Which bacteria oxidise various organic substance such as ammonia , nitrates and nitrites and use the energy in ATP production
CHEMOSYNTHETIC AUTOTROPHIC bacteria
Viruse that infect plants have which kind of genetic material
Single stranded RNA (ss rna)
Which bacteria maybe filamentous or colonial , freshwater /marine or terrestrial algae
Cyanobacteria or BGA
What is used for polishing , filtration of oils and syrups
Diatomaceous earth
Nature of mycelium in basidiomycetes
Septate ( branched )
A FILAMENTOUS BGA
Nostoc -also has a gelatinous sheath and heterocyst (fix atm N2)
WHICH KIND OF BACTERIA ARE THE MOST ABUNDANT
OR
Majority of what are Important decomposers
Heterotrophic
Paramecium and amoeba were earlier placed in which kingdom and why
Animal becoz they lack a cell wall
Freshwater protists
Euglenoids
Group of protists which are only heterotrophs
Protozoans
Plankton (photosynthetic ) belong to which group of Protista
CHRYSOPHYTES
Desmids are also called
Golden algae
Chief producers in the ocean
Diatoms
Coloured protists
Dinoflagellate - yellow , red , Blue , green , brown
No of flagella in euglena
2
Stiff cellulose plates are present in
Dinoflagellates
Flagella on the basis of ‘position’ are found in
Dinoflagellates - longitudinal and transverse
Spores of ________ have true walls
Slime moulds
Protestant lacking cell wall
Euglenoids
Flexible protists
Euglenoids ( becoz of pellicle )
Saprophytic protists
Slime moulds
Protists which are primitive relatives of animals
Protozoans
No of groups protozoans are divided into
4
1) ameboid .2) flagellated. 3) ciliates. 4) sporozoans
Trypanosoma causing sleeping sickness comes under which group of protozoans ( of kingdom protists )
Flagellate
Great diversity in morphology and habitat is found in which kingdom
K . Fungi
During unfavourable condition ___________ differentiates and forms fruiting bodies bearing spores at their tips
PLASMODIUM
Network of hyphae
Mycelium
Exception to multicellular fungi
Yeast - (only) unicellular fungi
Fungi are found in
Air , water , oil and on animal - cosmopolitan
With the exception of yeast , all fungi are
FILAMENTOUS and multicellular
Basidiospores are asexual or sexual
Sexual spores
Hyphae which are continuous tubes filed with multinucleted cytoplasm
Coenocytic hyphae
Plasmodium comes under which protozoan
Sporozoan
Two Kingdom Classification given by
Callous Linnaeus
Non coenocytic hyphae are - branched or unbranched
Branched
Non coenocytic hyphae have
Septae are cross links
Cell wall of fungi is made of
Polysaccharide and chitin
The only asexual spores in deuteromycetes are
CONIDIA
Decomposers of litter and mineral cycles
Deuteromycetes
Asexual spores are absent and reproduction takes place by vegetative fragmentation . Sex organs are absent but plasmogamy takes place by fusion of 2 vegetative or somatic cells of diff genotypes
Basidiomycetes
The spores of basidiomycetes ( basidiospores ) are ____________ produced on the _____________
Exogenously , basidium
The septate mycelium has to be branched or branched ?
Branched
Penicillium belong to class
Ascomycetes
Non cellular organisms
Viruses
Common name for agaricus
Mushroom
Lactobacillus is which bacteria
Heterotrophic -decomposer
Karyogamy and meiosis forms how many basidiospores
4
What is the basis for the division of kingdom fungi into various classes
1) morphology of mycelium
2) mode of spore formation
3) fruiting bodies
Conidia is endo or exogenous
Exogenous
Red tides
Red Dinoflagellates
Sporangiospore s are endo or exo
Endogenous
Clavicles and NEOROSPORA come under which class of fungi
Ascomycetes
3 sexual spores of fungi
Oospores , ascospores and basidiospores
3 steps of sexual cycle of fungi step wise
1) plasmogamy
2) karyogamy
3) meiosis in zygote - forming spores
In asco and basidioycetes , intervening stage of sexual cycle
Dikaryophase ( 2 nuclei per cell )
Nature of mycelium in PHYCOMYCETES
Aseptate ( unbranched ) = coenocytic
Ascospores are sexual or asexual
Sexual
Zoospores and aplanospores are endogenously produced in _____
Sporangium
Parasitic fungi on mustard belongs to which class of fungi
Albugo belong to PHYCOMYCETES
Viroids were discovered in the year
1971
Kind of mycelium in ascomycetes
Septate = branched = non coenocytic (non continuous )
Edible morels and truffles come under which class of fungi
Ascomycetes
Asexual spores in ascomycetes
Conidia ( exogenous )
Viruses that infect animals have which kind of genetic material
Ss RNA , ds RNA , or ds DNA ( DOUBLE STRANDED DNA - not ss )