Deck 12: Characterizing and Classifying Eukaryotes

Question 1

The asexual spores of molds are classified according to their

A) size.
B) type of metabolism.
C) number of chromosomes.
D) shapes.
E) mode of development.

Answer 1

E

Question 2

Conjugation is a reproductive process associated with which of the following types of protozoa?

A) ciliates
B) amoebae
C) dinoflagellates
D) kinetoplastids
E) parabasalids

Answer 2

A

Question 3

Candida albicans invades human tissues by the use of

A) pseudohyphae.
B) coenocytes.
C) thalli.
D) hyphae.
E) mycelia.

Answer 3

A

Question 4

Which of the following types of protozoa are bioluminescent?

A) apicomplexans
B) dinoflagellates
C) amoebae
D) ciliates
E) kinetoplastids

Question 5

Plankton is composed of which of the following types of eukaryotic microbes?

A) fungi
B) algae
C) protozoa
D) both algae and protozoa
E) both fungi and algae

Question 6

Sister chromatids separate and move toward the poles of the cell during __________ of mitosis.

A) telophase
B) anaphase
C) metaphase
D) interphase
E) prophase

Question 7

The __________ is the entire interwoven mass of one multicellular fungal organism.

A) hyphae
B) sporangium
C) mycelium
D) pseudoplasmodium
E) conidiophore

Question 8

Which of the following pairs is mismatched?

A) Paramecium: two nuclei
B) Entamoeba: pseudopodia
C) Plasmodium: merozoites
D) Euglena: flagellum
E) Toxoplasma: cilia

Question 9

Merozoites are a result of

A) meiosis.
B) schizogony.
C) mitosis.
D) crossing over.
E) conjugation.

Question 10

Which of the following types of protozoa contributes to limestone formation in their fossilized state?

A) foraminiferans
B) euglenozoa
C) diplomonads
D) ciliates
E) amoebae

Question 11

Which of the following pairs is mismatched?

A) animals: usually diploid
B) fungi: usually diploid
C) protozoa: usually diploid
D) algae: usually haploid
E) plants: usually diploid

Question 12

The first eukaryote to have its entire genome sequenced was the fungus

A) Neurospora.
B) Candida albicans.
C) Saccharomyces.
D) Cryptococcus.
E) Rhizopus.

Question 13

Sister chromatids separate during __________ of meiosis.

A) anaphase I
B) prophase II
C) metaphase II
D) anaphase II
E) telophase I

Question 14

An aligned pair of homologous chromosomes is called a

A) chromatid.
B) spindle.
C) tetrad.
D) coenocyte.
E) gamete.

Question 15

The fusion of two gametes produces a

A) zygote.
B) schizont.
C) chromatid.
D) centromere.
E) merozoite.

Question 16

Replication of the DNA occurs during

A) metaphase.
B) prophase.
C) telophase.
D) anaphase.
E) interphase.

Question 17

Which of the following is classified among the Alveolates?

A) Paramecium
B) Foraminifera
C) Plasmodium
D) Paramecium and Foraminifera
E) Paramecium and Plasmodium

Question 18

Which of the following is a cell type associated with sexual reproduction in fungi?

A) sporangiospore
B) dikaryon
C) haustoria
D) pneumocyst
E) mycorrhiza

Question 19

Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another?

A) cyst
B) merozoite
C) schizont
D) foraminifera
E) kinetoplast

Question 20

Which of the following statements regarding meiosis is most accurate?

A) Crossing over occurs during metaphase I.
B) A diploid cell produces haploid daughter cells.
C) Haploid cells produce diploid cells.
D) Homologous (non-sister) chromatids separate during anaphase II.
E) Meiosis has the same number of stages as mitosis.

Question 21

Organisms known as diatoms are classified with the

A) algae.
B) fungi.
C) protozoa.
D) helminths.
E) water molds.

Question 22

A plasmodium is a coenocytic structure associated with

A) slime molds.
B) yeast.
C) water molds.
D) green algae.
E) amoebae.

Question 23

The chromosomes line up in the middle of the cell during

A) prophase.
B) anaphase.
C) metaphase.
D) telophase.
E) prophase II.

Question 24

Hyphae are associated with which of the following?

A) yeasts
B) algae
C) molds
D) protozoa
E) helminths

Question 25

Which of the following is composed of microtubules?

A) a chromatid
B) a coenocyte
C) a spindle
D) a tetrad
E) a zygote

Question 26

Which of the following is a dinoflagellate whose toxin causes possible estuary-associated syndrome (PEAS)?

A) Gymnodinium
B) Gonyaulax
C) Balantidium
D) Toxoplasma
E) Pfiesteria

Question 27

The division Basidiomycota includes which of the following types of fungi?

A) truffles
B) mushrooms
C) baker's yeast
D) bread mold
E) ringworm

Question 28

__________ is the stage of mitosis in which chromatids move toward opposite poles.

A) anaphase
B) telophase
C) metaphase
D) prophase
E) interphase

Question 29

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) 16
C) 32
D) 4
E) 2

Question 30

Which of the following protozoan genera helps termites digest wood?

A) Trichonympha
B) Nosema
C) Trichomonas
D) Pfiesteria
E) Naegleria

Question 31

The process of cytokinesis may occur during

A) anaphase.
B) metaphase.
C) prophase.
D) telophase.
E) interphase.

Question 32

Which of the following would be virtually indistinguishable under the microscope?

A) early anaphase and late anaphase
B) early metaphase and early anaphase
C) early prophase and early metaphase
D) late anaphase and early telophase
E) late metaphase and early telophase

Question 33

Lichens are composed of a symbiosis of fungi and which of the following?

A) green algae
B) cyanobacteria
C) euglenoids
D) cyanobacteria or green algae
E) euglenoids or dinoflagellates

Question 34

Parasitology is the study of

A) fungi.
B) helminths.
C) algae.
D) protozoa.
E) both helminths and protozoa.

Question 35

The roots of vascular plants form associations with fungi called __________, which allow them to absorb water and dissolved minerals from the soil.

A) hyphae
B) mycoses
C) mycorrhizae
D) lichens
E) thalli

Question 36

The large seaweed known as kelp is classified as a member of the

A) Chlorophyta.
B) Phaeophyta.
C) Chrysophyta.
D) Rhodophyta.
E) Deuteromycete.

Question 37

The nuclear membrane disintegrates during __________ of mitosis.

A) anaphase
B) prophase
C) metaphase
D) telophase
E) cytokinesis

Question 38

During mitotic __________, the spindle forms.

A) anaphase
B) interphase
C) metaphase
D) telophase
E) prophase

Question 39

Most of the fungi that spoil food belong to the division

A) Basidiomycota.
B) Deuteromycetes.
C) Zygomycota.
D) Ascomycota.
E) Rhodophyta.

Question 40

When mitosis occurs without cytokinesis, which of the following is produced?

A) merozoites
B) chromatids
C) cysts
D) macronuclei
E) coenocytes

Question 41

Some protozoa protect themselves from the adverse effects of osmosis by the use of __________ vacuoles to pump out excess water.

Question 42

The __________ include organisms classified as Deuteromycetes.

A) algae
B) fungi
C) water molds
D) protozoa
E) arachnids

Question 43

The fever and chills associated with malaria are due to the release of uninucleate daughter cells of Plasmodium called __________.

Question 44

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

Question 45

Haploid genomes contain two sets of chromosomes.

Question 46

Diseases of animals caused by fungi are called mycoses.

Question 47

Protozoa that move and feed by the use of pseudopodia are called __________.

Question 48

Myxamoebae act like protozoan amoebae only in the absence of water.

Question 49

In fungi, aseptate hyphae are coenocytic by definition.

Question 50

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

Question 51

The __________ are protozoa that produce cell walls composed of silica.

Question 52

Current classification of the algae is based on morphologic characteristics.

Question 53

The vegetative stage of a protozoan is called a __________.

Question 54

Single-celled organisms called ciliates are

A) fungi.
B) protozoa.
C) insects.
D) algae.
E) water molds.

Question 55

The kelps are classified as

A) algae.
B) arachnids.
C) fungi.
D) protozoa.
E) water molds.

Question 56

Ciliates often have two kinds of nuclei that have different functions.

Question 57

The asexual reproductive spores produced at the tips of hyphae are __________.

Question 58

Fungi reproduce only asexually.

Question 59

Ascomycetes are members of the

A) arachnids.
B) algae.
C) protozoa.
D) fungi.
E) helminths.

Question 60

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

Question 61

Modified hyphae that allow fungi to derive nutrients from other living organisms are __________.

Question 62

Ticks, lice, and mosquitoes often serve as __________ by carrying and transmitting pathogenic microbes.

Question 63

Describe the ways in which algae and fungi are useful microbes.

Question 64

Discuss the range of pathogenicity associated with eukaryotic microbes.

Question 65

Microbiologists interested in parasitism study multicellular parasitic __________ as well as single-celled protozoa. (Be sure your answer is plural.)

Question 66

Fungi and insects both use the nitrogenous polysaccharide __________ as a protective molecule in their outer surfaces.

Question 67

Describe the ways in which fungi reproduce.

Question 68

Compare and contrast slime molds and water molds.

Question 69

Organisms such as fungi that absorb nutrients from dead organisms are called __________.

Question 70

The two halves of a diatom's cell wall, called __________, fit together like a Petri dish.

Question 71

Lichens spread to new areas by the use of multicellular fragments called __________.

Question 72

Multicellular algae often reproduce sexually by means of haploid and diploid individuals in a process called __________ of generations.

Question 73

The study of algae is __________.

Question 74

Compare and contrast mitosis and meiosis.