Deck 12: Characterizing and Classifying Eukaryotes

Question 1

Fungal spores produced asexually within a sac-like chamber at the tip of a hypha are called

A) ascospores.
B) basidiospores.
C) sporangiospores.
D) conidia.
E) zygospores.

Answer 1

C

Question 2

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

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

Answer 2

B

Question 3

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

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

Answer 3

B

Question 4

The ________ have silicate shells and thin pseudopods.

A) Amebozoa
B) Euglenids
C) Ciliates
D) Dinoflagellates
E) Radiolaria

Question 5

Which of the following pairs is MISMATCHED?

A) Diplomonadida; two nuclei
B) Rhizaria; pseudopodia
C) Parabasala; two mitochondria
D) Euglenids; flagellum
E) Ciliophora; cilia

Question 6

Which of the following is a protozoan with two nuclei and no mitochondria?

A) Plasmodium
B) Paramecium
C) Euglena
D) Giardia
E) Trichomonas

Question 7

Sister chromatids separate during ________ of meiosis.

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

Question 8

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 9

A single-celled eukaryote that is both photosynthetic and a chemoheterotroph is a(n)

A) apicomplexan.
B) dinoflagellate.
C) euglenid.
D) ciliate.
E) kinetoplastid.

Question 10

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 11

The Apicomplexa are named for their apical complexes which allow them to

A) be motile by means of multiple flagella.
B) penetrate the cytoplasmic membranes of host cells.
C) undergo schizogony.
D) carry out photosynthesis.
E) attach to surfaces.

Question 12

Which of the following has NOT been a basis for classification of the protozoa?

A) means of locomotion
B) genetic sequences
C) photosynthetic ability
D) habitat
E) ability to form a dormant stage

Question 13

Merozoites are a result of

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

Question 14

Which of the following pairs is MISMATCHED?

A) animals; usually diploid
B) fungi; usually diploid
C) protozoa; usually diploid
D) slime mold; usually haploid
E) plants; usually diploid

Question 15

Replication of the DNA occurs during

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

Question 16

An aligned pair of homologous chromosomes is called a

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

Question 17

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

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

Question 18

Single-celled eukaryotes lacking a cell wall are

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

Question 19

The fusion of two gametes produces a

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

Question 20

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.

Question 21

The process in which the cytoplasm is divided between daughter cells is known as

A) coenocytosis.
B) budding.
C) meiosis.
D) cytokinesis.
E) nuclear division.

Question 22

Which of the following protozoa genera helps termites digest wood?

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

Question 23

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

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

Question 24

Which of the following organisms grow on higher plants to produce truffles?

A) euglenids
B) kinetoplastids
C) mycorrhizae
D) lichens
E) water molds

Question 25

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

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

Question 26

Hyphae are associated with which of the following?

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

Question 27

Algae that are important sources of thickening agents like agar are known as

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

Question 28

Which of the following is present during meiosis but not mitosis?

A) a chromatid
B) a centromere
C) a spindle
D) a tetrad
E) sister chromatids

Question 29

Aseptate fungi are classified as

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

Question 30

A fungus which produces sexual spores within a sac-like chamber in a fruiting body is a member of the

A) Ascomycota.
B) Basidiomycota.
C) Deuteromycetes.
D) Zygomycota.
E) Answer cannot be determined with this information.

Question 31

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 32

The chromatids move toward opposite poles during ________ of mitosis.

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

Question 33

Sexual reproduction in Basidiomycota results in the production of

A) ascospores.
B) basidiospores.
C) conidiospores.
D) endospores.
E) zygospores

Question 34

Which process is represented by Figure ?

A) mitosis
B) meiosis
C) cytokinesis
D) schizogony
E) budding

Question 35

Slime molds are classified as

A) amoebozoa.
B) dinoflagellates.
C) fungi.
D) lichens.
E) rhizaria.

Question 36

The distinguishing characteristic used to classify the algae into four kingdoms is

A) whether they are single celled or multicellular.
B) their cell wall components.
C) their storage products.
D) their habitat.
E) presence or absence of chlorophyll a.

Question 37

Multiple mitoses followed by a single cytokinetic event is known as

A) meiosis.
B) schizogony.
C) coenocytic division.
D) encystment.
E) interphase.

Question 38

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 39

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 40

The chromosomes line up in the middle of the cell during

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

Question 41

The (fungi/algae/lichens)are so sensitive to pollutants that they are used as indicators of environmental conditions.

Question 42

In fungi,aseptate hyphae are coenocytic by definition.

Question 43

Which of the following is transmitted by mosquitoes?

A) African sleeping sickness
B) malaria
C) ringworm
D) tapeworms
E) typhus

Question 44

The fever and chills associated with malaria are due to the release of uninucleate daughter cells of Plasmodium called (gametocytes/schizonts/coencytes).

Question 45

Conidiospores are the products of mitosis.

Question 46

The vegetative stage of a protozoan is called a (cyst/trophozoite/zygote).

Question 47

Multicellular organisms with hard exoskeletons,segmented bodies and four pairs of jointed legs in the adult stage are

A) algae.
B) arachnids.
C) insects.
D) helminths.
E) lice.

Question 48

Limestone is made up of the shells of (foraminifera/parabasala/radiolarians).

Question 49

Fungi reproduce only asexually.

Question 50

In spite of their name,water molds are not true fungi.

Question 51

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

Question 52

Current classification of the algae is based on morphologic characteristics.

Question 53

Simple eukaryotes that carry out oxygenic photosynthesis and reproduce by means of alternation of generations are known as

A) algae.
B) fungi.
C) slime molds.
D) euglenids.
E) arachnids.

Question 54

Haploid genomes contain two sets of chromosomes.

Question 55

Single-celled organisms called ciliates are

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

Question 56

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

Question 57

Protozoa that move and feed by the use of broad pseudopods are called (amoebozoa/apicomplexa/rhizaria).

Question 58

Lyme disease is vectored by ticks.

Question 59

Fungi called Deuteromycetes are not known to reproduce sexually.Nonetheless,most of them are considered members of the ________ on the basis of genetic sequences.

A) Zygomycota
B) Basidiomycota
C) Ascomycota
D) Sporozoa
E) Rhizaria

Question 60

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

Question 61

Diatoms are single celled marine algae with walls composed of (chiton/cellulose/carbonate/silica).

Question 62

Sexual reproduction in unicellular algae is accomplished by the cell acting as a (gamete/spore/zygote).

Question 63

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

Question 64

The plague is transmitted by (fleas/lice/ticks/mites).

Question 65

The asexual reproductive spores produced at the tips of hyphae and not enclosed in a sac are (conidiospores/ascospores/sporangiospores).

Question 66

Microbiologists interested in parasites study multicellular (insects/fungi/worms)as well as single-celled protozoa.

Question 67

Ticks,lice,and mosquitoes often serve as (carriers/transporters/vectors)by hosting and transmitting pathogenic microbes.

Question 68

Slime molds are classified with protozoa in part because they have (flagella/pseudopods/shells).

Question 69

Describe the ways in which fungi reproduce.

Question 70

Modified hyphae that allow fungi to derive nutrients from other living organisms are (septate/pseudohyphae/haustoria).

Question 71

Edible true mushrooms are typically members of the (Ascomycota/Basidiomycota/Deuteromycetes/Zygomycota).

Question 72

Compare and contrast slime molds and water molds.

Question 73

A field biologist finds an unfamiliar single-celled organism in a sample from the surface of a marshy area.What observations or tests would make it possible to determine whether it is a protozoan,fungus,or alga? Assume the PCR machine at the field station is not working,but all other equipment is.

Question 74

Fungi and insects both use the nitrogenous polysaccharide (cellulose/chitin/silica)as a protective molecule in their outer surfaces.

Question 75

Compare and contrast mitosis and meiosis using words,diagrams or both.