C HAPTER 18: D IVERSITY OF M ICROBIAL
E UKARYA
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
18.1 Multiple Choice Questions
1. Primary endosymbioses gave rise to _______ and secondary
endos ymbioses gave rise to ______.
A) chloroplasts in algae / chloroplasts in plants
B) mitochondria in eukaryotes / chloroplasts in eukaryotes
C) chloroplasts and mitochondria in plants and red and green alga e /
chloroplasts in other eukaryotes
D) chloroplasts and mitochondria in green and red algae / chloroplasts
and mitochondria in diatoms
2. Evidence of ________ supports the hypothesis that eukaryotes are derived
from bacteria.
A) antibiotic resistance
B) DNA content in the nucleus onl y
C) ribosome characteristics onl y
D) ribosome characteristics and DNA content in the nucleus
3. Which group of Eukarya has complicated the phylogenetics of the domain
by first being thought of as ancient as compared to the more recent vie w
of them being highl y derived eukaryotes?
A) dinoflagellates
B) fungi
C) hydrogenosome -containing eukaryotes
, D) stramenopiles
4. Which group of amoebozoans is most likel y to cause illness in humans?
A) dict yostelium
B) entamoebas
C) gymnamoebas
D) slime molds
5. Which statement best describes our current understanding of the
eukaryotic phylogenetic tree?
A) Ribosomal RNA data allowed the development of the current
phylogeny with 6 supergroups.
B) Whole genome data was used to distinguish the 3 domains.
C) The most recent analyses have conclusively shown the relationships
of the 6 supergroups.
D) New discoveries will probabl y lead to changes in the eukaryotic
phylogenetic tree.
6. Of the taxa listed, which is NOT classified as a protist?
A) Amoeba
B) Euglena
C) Giardia
D) Saccharom yces
7. Giardia are diplomonads which have nuclei that
A) appear as two separate chromosome s but are weakl y joined.
B) contain one small and one large nucleus per cell.
C) have one nucleus enclosed in a mitosome and another nucleus in their
cytoplasm.
D) occur as two similar sizes per cell.
E UKARYA
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
18.1 Multiple Choice Questions
1. Primary endosymbioses gave rise to _______ and secondary
endos ymbioses gave rise to ______.
A) chloroplasts in algae / chloroplasts in plants
B) mitochondria in eukaryotes / chloroplasts in eukaryotes
C) chloroplasts and mitochondria in plants and red and green alga e /
chloroplasts in other eukaryotes
D) chloroplasts and mitochondria in green and red algae / chloroplasts
and mitochondria in diatoms
2. Evidence of ________ supports the hypothesis that eukaryotes are derived
from bacteria.
A) antibiotic resistance
B) DNA content in the nucleus onl y
C) ribosome characteristics onl y
D) ribosome characteristics and DNA content in the nucleus
3. Which group of Eukarya has complicated the phylogenetics of the domain
by first being thought of as ancient as compared to the more recent vie w
of them being highl y derived eukaryotes?
A) dinoflagellates
B) fungi
C) hydrogenosome -containing eukaryotes
, D) stramenopiles
4. Which group of amoebozoans is most likel y to cause illness in humans?
A) dict yostelium
B) entamoebas
C) gymnamoebas
D) slime molds
5. Which statement best describes our current understanding of the
eukaryotic phylogenetic tree?
A) Ribosomal RNA data allowed the development of the current
phylogeny with 6 supergroups.
B) Whole genome data was used to distinguish the 3 domains.
C) The most recent analyses have conclusively shown the relationships
of the 6 supergroups.
D) New discoveries will probabl y lead to changes in the eukaryotic
phylogenetic tree.
6. Of the taxa listed, which is NOT classified as a protist?
A) Amoeba
B) Euglena
C) Giardia
D) Saccharom yces
7. Giardia are diplomonads which have nuclei that
A) appear as two separate chromosome s but are weakl y joined.
B) contain one small and one large nucleus per cell.
C) have one nucleus enclosed in a mitosome and another nucleus in their
cytoplasm.
D) occur as two similar sizes per cell.
