TEST BANK FOR MICROBIOLOGY
QUESTIONS (CHAPTER 5) WITH
CORRECT ANSWERS 2025/2026
________ is a protozoal mechanism of asexual reproduction whereby the nucleus
of a cell divides repeatedly before the cytoplasm of the cell divides. - correct
answer Schizogony
A lichen results from the mutualistic relationship between fungi and which of the
following?
A. cyanobacteria or algae
B. green plants
C. heterotrophic bacteria
D. protozoans - correct answer A. cyanobacteria or algae
According to the endosymbiotic theory, chloroplasts found in algae originally
evolved from ________. - correct answercyanobacteria
African sleeping sickness is caused by which pathogen?
A. Giardia lamblia
B. Plasmodium falciparum
C. Toxoplasma gondii
D. Trypanosoma bruceii - correct answerD. Trypanosoma bruceii
All protozoans can reproduce sexually and asexually. T OR F - correct answerF
Amoeba spp. use cilia as a means of locomotion. T OR F - correct answerF
, An important slime mold used in research is Dictyostelium discoideum. In this
species, individual amoeboid cells that aggregate into multicellular mobile slugs,
each forming a fruiting body that produces haploid spores, are known as which of
the following?
A. cellular slime molds
B. plasmodium slime molds
C. pseudohyphae
D. sporangia - correct answerA. cellular slime molds
Apicomplexans are parasitic protists. T OR F - correct answerT
Briefly describe how conjugation occurs in Paramecium. - correct answerIn
conjugation, the micronuclei of both cells undergo meiosis. The macronucleus and
all but one haploid micronuclei from each cell disintegrate. The remaining
micronuclei undergo mitosis. The two cells exchange one micronucleus each,
which fuses with the remaining micronucleus to form a new, genetically different,
diploid micronucleus.
Briefly describe the differences between cellular and plasmodial slime molds,
using examples from the specific cellular and plasmodial slime molds mentioned
in the chapter. - correct answerCellular slime molds have individual cells. They
may exist as individual amoebae or join together to form a mobile slug, then a
fruiting body. Plasmodial slime molds can exist as individual cells but also have a
part of their life cycle in which these cells join to form large, multinucleate cells.
They can form reproductive stalks to produce spores that divide into gametes.
Cestodes are often transmitted via which of the following?
A. aerosols
B. open wounds in the skin
C. undercooked meats
D. water - correct answerC. undercooked meats*
Chloroplasts can contain ________ that synthesize and store starch. - correct
answerpyrenoids
QUESTIONS (CHAPTER 5) WITH
CORRECT ANSWERS 2025/2026
________ is a protozoal mechanism of asexual reproduction whereby the nucleus
of a cell divides repeatedly before the cytoplasm of the cell divides. - correct
answer Schizogony
A lichen results from the mutualistic relationship between fungi and which of the
following?
A. cyanobacteria or algae
B. green plants
C. heterotrophic bacteria
D. protozoans - correct answer A. cyanobacteria or algae
According to the endosymbiotic theory, chloroplasts found in algae originally
evolved from ________. - correct answercyanobacteria
African sleeping sickness is caused by which pathogen?
A. Giardia lamblia
B. Plasmodium falciparum
C. Toxoplasma gondii
D. Trypanosoma bruceii - correct answerD. Trypanosoma bruceii
All protozoans can reproduce sexually and asexually. T OR F - correct answerF
Amoeba spp. use cilia as a means of locomotion. T OR F - correct answerF
, An important slime mold used in research is Dictyostelium discoideum. In this
species, individual amoeboid cells that aggregate into multicellular mobile slugs,
each forming a fruiting body that produces haploid spores, are known as which of
the following?
A. cellular slime molds
B. plasmodium slime molds
C. pseudohyphae
D. sporangia - correct answerA. cellular slime molds
Apicomplexans are parasitic protists. T OR F - correct answerT
Briefly describe how conjugation occurs in Paramecium. - correct answerIn
conjugation, the micronuclei of both cells undergo meiosis. The macronucleus and
all but one haploid micronuclei from each cell disintegrate. The remaining
micronuclei undergo mitosis. The two cells exchange one micronucleus each,
which fuses with the remaining micronucleus to form a new, genetically different,
diploid micronucleus.
Briefly describe the differences between cellular and plasmodial slime molds,
using examples from the specific cellular and plasmodial slime molds mentioned
in the chapter. - correct answerCellular slime molds have individual cells. They
may exist as individual amoebae or join together to form a mobile slug, then a
fruiting body. Plasmodial slime molds can exist as individual cells but also have a
part of their life cycle in which these cells join to form large, multinucleate cells.
They can form reproductive stalks to produce spores that divide into gametes.
Cestodes are often transmitted via which of the following?
A. aerosols
B. open wounds in the skin
C. undercooked meats
D. water - correct answerC. undercooked meats*
Chloroplasts can contain ________ that synthesize and store starch. - correct
answerpyrenoids
