MICRO 210 – Chapter 10 Microbiology Quiz & Homework
Questions – Harvard University – Verified 2025-2026 Study
Resource
_______ |are |a |diverse |group |of |eukaryotic |organisms |that |are |similar |in |rRNA |sequences, |but |quite |
different |from |each |other |in |motility |types |and |ecology. |They |have |been |used |previously |as |a |"catch-
all" |for |organisms |that |couldn't |be |easily |classified |into |other |groups.
| A) |Protists
| B) |Methanogens
| C) |Plants
| D) |Fungi |- |answersA
Which |of |the |following |statements |about |archaea |is |FALSE?
| A) |They |lack |peptidoglycan |in |their |cell |walls.
| B) |Some |produce |methane |from |carbon |dioxide |and |hydrogen.
| C) |They |evolved |before |bacteria.
| D) |They |are |prokaryotes.
| E) |Some |are |thermoacidophiles; |others |are |extreme |halophiles. |- |answersC
Pure |cultures |of |the |same |species |are |not |always |identical |in |all |ways.
| True
| False |- |answersTrue
Which |of |the |following |statements |about |the |members |of |the |Kingdom |Animalia |is |FALSE?
, | A) |They |ingest |nutrients |through |a |mouth.
| B) |They |are |multicellular.
| C) |They |undergo |photosynthesis.
| D) |They |are |composed |of |eukaryotic |cells.
| E) |They |are |heterotrophs. |- |answersC
Which |one |of |the |following |statements |is |a |reason |for |NOT |classifying |viruses |in |one |of |the |
threedomains |of |life |(Bacteria, |Archaea, |Eukarya) |rather |than |in |a |fourth |separate |domain?
Question |5 |options:
| A) |Viruses |are |not |composed |of |cells.
| B) |Some |viruses |can |incorporate |their |genome |into |a |host's |genome.
| C) |Viruses |direct |anabolic |pathways |of |host |cells.
| D) |Viruses |are |obligate |parasites. |- |answersA
Fossil |evidence |indicates |that |prokaryotic |cells |first |existed |on |the |Earth |at |least
Question |6 |options:
| A) |350 |years |ago.
| B) |3.5 |× |1012 |years |ago.
| C) |3500 |years |ago.
| D) |35000 |years |ago.
Questions – Harvard University – Verified 2025-2026 Study
Resource
_______ |are |a |diverse |group |of |eukaryotic |organisms |that |are |similar |in |rRNA |sequences, |but |quite |
different |from |each |other |in |motility |types |and |ecology. |They |have |been |used |previously |as |a |"catch-
all" |for |organisms |that |couldn't |be |easily |classified |into |other |groups.
| A) |Protists
| B) |Methanogens
| C) |Plants
| D) |Fungi |- |answersA
Which |of |the |following |statements |about |archaea |is |FALSE?
| A) |They |lack |peptidoglycan |in |their |cell |walls.
| B) |Some |produce |methane |from |carbon |dioxide |and |hydrogen.
| C) |They |evolved |before |bacteria.
| D) |They |are |prokaryotes.
| E) |Some |are |thermoacidophiles; |others |are |extreme |halophiles. |- |answersC
Pure |cultures |of |the |same |species |are |not |always |identical |in |all |ways.
| True
| False |- |answersTrue
Which |of |the |following |statements |about |the |members |of |the |Kingdom |Animalia |is |FALSE?
, | A) |They |ingest |nutrients |through |a |mouth.
| B) |They |are |multicellular.
| C) |They |undergo |photosynthesis.
| D) |They |are |composed |of |eukaryotic |cells.
| E) |They |are |heterotrophs. |- |answersC
Which |one |of |the |following |statements |is |a |reason |for |NOT |classifying |viruses |in |one |of |the |
threedomains |of |life |(Bacteria, |Archaea, |Eukarya) |rather |than |in |a |fourth |separate |domain?
Question |5 |options:
| A) |Viruses |are |not |composed |of |cells.
| B) |Some |viruses |can |incorporate |their |genome |into |a |host's |genome.
| C) |Viruses |direct |anabolic |pathways |of |host |cells.
| D) |Viruses |are |obligate |parasites. |- |answersA
Fossil |evidence |indicates |that |prokaryotic |cells |first |existed |on |the |Earth |at |least
Question |6 |options:
| A) |350 |years |ago.
| B) |3.5 |× |1012 |years |ago.
| C) |3500 |years |ago.
| D) |35000 |years |ago.
