Chapter 12 Quiz

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The fusion of two gametes produces a...
a. zygote
b. chromatid
c. schizont
d. centromere
e. merozoite

a. zygote

Replication of the DNA occurs during?
a. prophase
b. metaphase
c. telophase
d. anaphase
e. interphase

e. interphase

Sister chromatids separate and move towards the poles of the cell during _____ of mitosis?
a. interphase
b. anaphase
c. prophase
d. telophase
e. metaphase

b. anaphase

The aligned pair of homologous chromosomes is called a...
a. spindle
b. chromatid
c. tetrad
d. coenocyte
e. gamete

C. tetrad

Which of the following pairs is mismatched
a. plants: usually diploid
b. fungi: usually diploid
c. animals: usually diploid
d. protozoa: usually diploid
e. algae: usually haploid

b. fungi: usually diploid

Sister chromatids separate during the _____meiosis?
a. anaphase I
b. prophase II
c. metaphase II
d. anaphase II
e. telophase I

d. anaphase II

Which of the following statements regarding meiosis is most accurate?
a. homologous (non sister) chromatids separate during anaphase II
b. diploid cells produce haploid daughter cells
c. haploid cells produce diploid cells
d. meiosis has the same number of stages and mitosis
e. crossing over occurs during metaphase I

b. diploid cells produce haploid daughter cells

Merozoites are a result of?
a. meiosis
b. schizogony
c. mitosis
d. crossing over
e. conjugation

b. schizogony

Which of the following pairs is mismatched
a. entamoeba: pseudopodia
b. euglena: flagellum
c. plasmodium: merozoites
d. paramecium: two nuclei
e. toxoplasma: cilia

e. toxoplasma: cilia

Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another?
a. cyst
b. kinetoplast
c. schizont
d. foraminifera
e. merozoite

a. cyst

Candida albicans invades human tissues by use of?
a. pseudohyphae
b. hyphae
c. thalli
d. mycelia
e. coenocytes

a. pseudohyphae

The _____ is the entire interwoven mass of one multicellular fungai organism?
a. psudoplamodium
b. conidiophore
c. mycelium
d. sporangium
e. hyphae

c. mycelium

Which of the following is classified among the Alveolates?
a. Foraminifera
b. Paramecium and Foraminifera
c. Plasmodium
d. Paramecium
e. Paramecium and Plasmodium

e. Paramecium and Plasmodium

Which of the following types of protozoa are bioluminescent?
a. ciliates
b. dinoflagellates
c. kinetoplastids
d. apicomplexans
e. amoebae

b. dinoflagellates

Plankton is composed of which of the following types of eukaryotic microbes?
a. algae
b. protozoa
c. fungi
d. both algae and protozoa
e. both fungi and algae

d. both algae and protozoa

Conjugation is a reproductive process associated with which of the following types of protozoa?
a. ciliates
b. amoebae
c. dinoflagellates
d. parabasalids
e. kinetoplastids

a. ciliates

Which of the following types of protozoa contributes to limestone formation in their fossilized state?
a. forminiferans
b. diplomonads
c. amoebae
d. euglenozoa
e. ciliates

a. forminiferans

The asexual spores of molds are classified according to their?
a. size
b. number of chromosomes
c. type of metabolism
d. shapes
e. mode of development

d. mode of development

Which of the following is a cell type associated with sexual reproduction in fungi?
a. dikaryon
b. mycorrhiza
c. pneumocyst
d. sporangiospore
e. haustoria

a. dikaryon

The first eukaryote to have its entire genome sequenced was the fungus
a. Cryptococcus
b. Neurospora
c. Saccharomyces
d. Candida albicans
e. Rhizopus

c. Saccharomyces

Parasitology is the study of
a. helminths
b. fungi
c. algae
d. protozoa
e. both helminths and protozoa

e. both helminths and protozoa

Which of the following is a dinoflagellate whose toxin causes possible estuary-associated syndrome (PEAS)
a. Gymnodinium
b. Balantidum
c. Toxoplasma
d. Gonyaulax
e. Pfiesteria

e. Pfiesteria

The large seaweed known as kelp is classified as a member of the
a. Chrysophyta
b. Phaeophyta
c. Rhodophyta
d. Chlorophyta
e. Deuteromycete

b. Phaeophyta

Hyphae are associated with which of the following?
a. yeasts
b. protozoa
c. molds
d. algae
e. helminths

c. molds

Most of the fungi that spoil food belong to the division
a. Basidiomycota
b. Rhodophyta
c. Deutromycetes
d. Ascomycota
e. Zygomycota

d. Ascomycota

Lichens are composed of a symbiosis of fungi and which of the following?
a. cyanobacteria
b. euglenoids
c. green algae
d. cyanobacteria or green algae
e. euglenoids or dinoflagellates

d. cyanobacteria or green algae

A plasmodium is a coenocytic structure associated with
a. slime molds
b. yeast
c. amoebae
d. water molds
e. green algae

a. slime molds

The division Basidiomycota includes which of the following types of fungi?
a. truffles
b. mushrooms
c. baker's yeast
d. bread mold
e. ringworm

b. mushrooms

The roots of vascular plants form associations with fungi called _______, which allow them to absorb water and dissolved minerals from the soil?
a. thalli
b. mycoses
c. mycorrhizae
d. lichens
e. hyphae

c. mycorrhizae

Which of the following protozoan genera helps termites digest wood?
a. Trichonympha
b. Naegleria
c. Trichomonas
d. Pfiesteria
e. Nosema

a. Trichonympha

In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?
a. 8
b. 4
c. 16
d. 32
e. 2

c. 16

Which of the following is composed of microtubules?
a. coenocyte
b. tetrad
c. spindle
d. zygote
e. chromatid

c. spindle

Which of the following would be virtually indistinguishable under the microscope?
a. early metaphase and early anaphase
b. early prophase and early metaphase
c. late metaphase and early telophase
d. late anaphase and early telophase
e. early anaphase and late anaphase

d. late anaphase and early telophase

When mitosis occurs without cytokinesis, which of the following is produced?
a. merozoites
b. chromatids
c. cysts
d. macronuclei
e. coenocytes

E. coenocytes

______ is the stage of mitosis in which chromatids move toward opposite poles?
a. anaphase
b. telophase
c. metaphase
d. prophase
e. interphase

A. anaphase

The nuclear membrane disintegrates during _____ of mitosis.
a. cytokinesis
b. prophase
c. anaphase
d. metaphase
e. telophase

b. prophase

The chromosomes line up in the middle of the cell during
a. telophase
b. prophase II
c. metaphase
d. anaphase
e. prophase

c. metaphase

The process of cytokinesis may occur during
a. prophase
b. metaphase
c. interphase
d. telophase
e. anaphase

d. telophase

During mitotic _____, the spindle forms.
a. metaphase
b. interphase
c. anaphase
d. telophase
e. prophase

e. prophase

Organisms known as diatoms are classified with the
a. algae
b. helminths
c. water molds
d. protozoa
e. fungi

a. algae

The _____ include organisms classified as Deuteromycetes
a. algae
b. fungi
c. water molds
d. protozoa
e.arachnids

B. fungi

Single-celled organisms called ciliates are
a. insects
b. protozoa
c. algae
d. water molds
e. fungi

b. protozoa

Ascomycetes are members of the
a. algae
b. protozoa
c. helminths
d. fungi
e. arachnids

d. fungi

The kelps are classified as
a. algae
b. fungi
c. arachnids
d. protozoa
e. water molds

a. algae

Fungi reproduce only asexually

False

Haploid genomes contain two sets of chromosomes

False

Protozoa are eukaryotic organisms that lack a cell wall and can be unicellular or multicellular

False

In fungi, aseptate hyphae are coenocytic by definition

True

Diseases of animals caused by fungi are called mycoses

True

Myxamoebae act like protozoan amoebae only in the absence of water

True

Algae can have different types of photosynthetic pigments that allow them to photosynthesize at various depths in water

True

Ciliates often have two kinds of nuclei that have different functions

True

Unlike the term fungi, the terms algae and protozoa are not accepted taxa.

True

Current classification of the algae is based on morphologic characteristics.

False

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