Quiz
Bacteria and Archaea
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Questions in this quiz (16)
1tick the primary identification tests of bacteria
- Ahow the colony looks to the eye (morpthology, borders etc)
- Bmicroscopic observations ( gram stain , motility , endospores present or not etc)
- Ccatalyse test
- Doxidase test
2label the binary fission diagram

- Acell wall
- Bnucleoid
- Ccytoplasmic membrane
- Dreplicated dna
- Ecell replicates DNA
- FDaughter cells
- GCross wall forms completely
- Hcross wall begins to form
- Imembrane invaginates ( fold onto itself)
- Jmembrane stretches separating DNA
3label the main groups of gram negative bacteria organised by characteristics

- Abacteroides
- Benterobacteria
- Cvibro
- Dneisseria
- Eacinetobacter
- Fpsudeomonas
- Gazotobacter
- Hlegionella
4label the gram positive bacteria based on their characteristics

- Abacillus
- Bclostridium
- Clisteria
- Dmycobacterium
- Elactobacillus
- Fmicrococcus
- Gstaphylococcus
- Hstreptococcus
- Ileuconostoc
- Jsarcina
5match the following
[blank_start]MEDIUM[blank_end] - nutrient solution for growing microorganisms
[blank_start]INOCULUM[blank_end] - initial small number of cells added and grown to give a CULTURE
[blank_start]AGAR[blank_end] - polysaccharide extracted from seaweed that melts at 100 degrees remains molten down to 50 degrees- AMEDIUM
- BINOCULUM
- CAGAR
6match the catergories of media to their descrpitions
[blank_start]Complex[blank_end] - undefined reagents ( chemical compo is unknown)
[blank_start]Enriched[blank_end] - contain the nutrients required to support the growth of a wide variety of organisms
[blank_start]Selective[blank_end] - agent only allows growth of certain organisms
[blank_start]Differential[blank_end] - agent changed in some visible way
[blank_start]Synthetic[blank_end] - defined, Analar reagents ( chemical compo is known)- AComplex
- BEnriched
- CSelective
- DDifferential
- ESynthetic
7tick the following selective agents used in media
- Asalt
- Bcystal violet
- Cbile salts
- Dchloramphenical
- Eneomycin
- Fblood
- Gfermentable carbs
8tick the differential agents
- Ablood
- Bfermntable carbs and Ph indicator
- Cgas production
- Dsalt
- Ebile salts
- Fneomycin
9what are the charcteristics f Archaea
- Alive in extreme environments ( heat vents etc)
- Bmembranes have ether linkages
- C16S rRna signature sequence
- Dlive in easy environments ( nutritious soil)
10tick the similarietes archaea have with bacteria
- Asize and shape
- Bprokaryotic cell organisation
- Cribosome size
- Dno peptidoglycan in cell wall
- Einsensitivity to antibiotics
11tick the differences archae have to bacteria
- Ano peptidoglycan in cell wall
- Bcell membrane (no ester linkages)
- Ccomplex RNA polymerase (10-13 subunits)
- Dinsensitivity to antibiotics
- Eribosome size
- Fprokaryotic cell organisation
12what is/are the currently accepted phyla ( levlle of classicfication)
- ACrenarchaeota (e.g Hyperthermophiles- heat loving)
- BEuryarchaeota (e.g Extreme halophiles - salt loving & methanogens- methane makers)
- CThaumarchaeota (e.g ammonia oxidising)
- DAll of the following
- ENone of the following
13the [blank_start]optimum tempo[blank_end] for Hyperthermophiles is [blank_start]above 80 degrees[blank_end]. they can be isolated from [blank_start]hot springs[blank_end] and [blank_start]hyrothermal vents[blank_end] and are a prevalent source of [blank_start]thermostable enzymes[blank_end]
- Aoptimum temperature
- Babove 80 degrees
- Cbelow 80 degrees
- Dhot springs
- Ehyrothermal vents
- Fthermostable enzymes
14[blank_start]methanogens[blank_end] are all [blank_start]obligate methane producers[blank_end] who get their energy by [blank_start]synthesise methane[blank_end]. they are found mostly in [blank_start]anaerobic environments[blank_end] like animal guts or waterlogged soil. the use [blank_start]CO2[blank_end] as substrates for [blank_start]anaerobic respiration[blank_end]
- Amethanogens
- Bobligate methane producers
- Csynthesising methane
- Danaerobic environments
- ECO2
- Fanaerobic respiration
15many extreme halophiles contain bacteriorhodopsin
- ATrue
- BFalse
16what are bacteriorhodopsin used for
- Aa light driven proton pump used for photosynthesis in absence of chlorophyll
- Bused to produce energy in absence of mitochondria
- Ca light driven electron pump used for photosynthesis in absence of chlorophyll
Information
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- Quiz on Bacteria and Archaea, created by Ryan Cornwell on 25/04/2019.
- Author
- Ryan Cornwell
- Language
- English
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