Deck 12: Characterizing and Classifying Eukaryotes

Question 1

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

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

Answer 1

D

Question 2

Chromatids are present in which of the following phases of mitosis?

A) metaphase
B) prophase
C) telophase
D) Both A and B are correct.
E) A, B, and C are correct.

Answer 2

D

Question 3

Which of the following is NOT classified as an alveolate?

A) Dictyostelium
B) Plasmodium
C) Cryptosporidium
D) Pfiesteria
E) Vorticella

Answer 3

A

Question 4

All of the following statements concerning meiosis are true EXCEPT:

A) Meiosis occurs in two stages.
B) Meiosis converts haploid cells to diploid cells.
C) Genetic variety comes from crossing over in meiosis I.
D) Tetrads are visible until anaphase I.
E) DNA replication occurs before meiosis begins.

Question 5

Candida albicans invades human tissues by the use of

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

Question 6

An aligned pair of homologous chromosomes is called a

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

Question 7

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

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

Question 8

A zygote is formed from the fusion of two

A) coenocytes.
B) chromosomes.
C) schizonts.
D) gametes.
E) centromeres.

Question 9

Merozoites are a result of

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

Question 10

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

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

Question 11

A cell plate is used in the cytokinesis of which of the following?

A) algae
B) protozoa
C) plants
D) Both A and B are correct.
E) Both A and C are correct.

Question 12

Which of the following pairs is mismatched?

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

Question 13

Protozoan cysts

A) are reproductive structures.
B) are a dormant stage.
C) are resistant to environmental conditions.
D) Both A and C are correct.
E) Both B and C are correct.

Question 14

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

A) fungi
B) protozoa
C) algae
D) Both B and C are correct.
E) A, B, and C are correct.

Question 15

Formation of a spindle is a hallmark of

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

Question 16

Which of the following types of protozoa are bioluminescent?

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

Question 17

Which of the following are structures that allow some marine algae to be bouyant?

A) agar
B) phytoplankton
C) ascospores
D) stipes
E) pneumocysts

Question 18

Which of the following is associated with pathogenic fungi?

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

Question 19

The asexual spores of molds are classified according to their

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

Question 20

Which of the following pairs is mismatched?

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

Question 21

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

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

Question 22

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

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

Question 23

All of the following are true statements concerning lichens EXCEPT:

A) Lichens can grow anywhere.
B) The fungus in a lichen is usually an ascomycete.
C) A lichen is a partnership between a fungus and a photosynthetic microbe.
D) Dispersal of soredia is one way a lichen can reproduce.
E) Lichens are important agents in the creation of soil.

Question 24

Which of the following pairs is mismatched?

A) Trichonympha: parabasal body
B) Trichomonas: single nucleus
C) Giardia: mitochondria
D) Trypanosoma: kinetoplastid
E) Euglena: chloroplast

Question 25

Fungi reproduce only asexually.

Question 26

Which of the following protozoan genera helps termites digest wood?

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

Question 27

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

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

Question 28

Diploid genomes contain two sets of chromosomes.

Question 29

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

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

Question 30

Which of the following types of arthropod vectors transmits the largest number of diseases?

A) mosquitoes
B) lice
C) flies
D) ticks
E) mites

Question 31

In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?

A) 16
B) 4
C) 2
D) 8
E) 32

Question 32

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

Question 33

Mycology is the study of

A) protozoa.
B) fungi.
C) pathogenic fungi.
D) algae.
E) plankton.

Question 34

Which of the following is NOT associated with fungal morphology?

A) cilia
B) thallus
C) hyphae
D) septa
E) mycelium

Question 35

A plasmodium is a coenocytic structure associated with

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

Question 36

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

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

Question 37

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

Question 38

Most of the fungi that spoil food belong to the division

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

Question 39

Which of the following is composed of microtubules?

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

Question 40

In fungi, aseptate hyphae are coenocytic by definition.

Question 41

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

Question 42

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

Question 43

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

Question 44

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

Question 45

Ciliates, apicomplexans, and amoebas are all alveolates.

Question 46

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

Question 47

The release of merozoites is responsible for the fever and chills associated with , a disease caused by
Plasmodium.

Question 48

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

Question 49

Phycology is the study of .

Question 50

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

Question 51

The vegetative stage of a protozoan is called a(n) _ _.

Question 52

Ticks and mites are examples of arthropods with four pairs of legs, called .

Question 53

Amoebae feed and move by the use of .

Question 54

Multicellular algae often reproduce sexually by the use of haploid and diploid individuals in a process called
.

Question 55

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

Question 56

Euglenoids are not classified with plants because they store food as the polysaccharide instead of starch.

Question 57

Fungal diseases of animals, plants, or humans are called .

Question 58

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

Question 59

The function of alveoli is not yet known.

Question 60

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

Question 61

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

Question 62

Discuss the range of pathogenicity associated with eukaryotic microbes.

Question 63

Describe the ways in which fungi reproduce.

Question 64

Describe the difficulties in using structural features to classify eukaryotic microbes.

Question 65

Compare and contrast mitosis and meiosis.