Question 1

An aligned pair of homologous chromosomes is called a

Accepted Answer

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

Question 2

Protozoa that have a single large mitochondrion and are found living in animals are

Accepted Answer

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

Question 3

The classification Protozoa is not an accepted taxon because it includes members of multiple kingdoms.

Accepted Answer

A) True 
 B)False

Question 4

Protozoa that move and feed by the use of fine threadlike pseudopodia are called (Rhizaria/Amoebozoa/Apicomplexa).

Accepted Answer

The answer of Protozoa that move and feed by the...

Question 5

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

Accepted Answer

The answer of The (fungi/algae/lichens) are so sensitive to pollutants...

Question 6

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

Accepted Answer

The answer of Modified hyphae that allow fungi to derive...

Question 7

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

Accepted Answer

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

Question 8

Mites are responsible for the spread of

Accepted Answer

A)  diseases caused by Apicomplexans. 
B)  diseases caused by Rickettsias. 
C)  malaria. 
D)  helminth diseases. 
E)  Lyme disease. 
A)  diseases caused by Apicomplexans. 
B)  diseases caused by Rickettsias. 
C)  malaria. 
D)  helminth diseases. 
E)  Lyme disease.

Question 9

Soil is produced from rock by the action of

Accepted Answer

A)  algae. 
B)  mites. 
C)  fungi. 
D)  lichens. 
E)  radiolarians. 
A)  algae. 
B)  mites. 
C)  fungi. 
D)  lichens. 
E)  radiolarians.

Question 10

Which of the following pairs is MISMATCHED?

Accepted Answer

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

Question 11

Which of the following statements regarding meiosis is MOST accurate?

Accepted Answer

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

Question 12

Which of the following organisms are directly beneficial to vascular plants?

Accepted Answer

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

Question 13

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

Accepted Answer

The answer of Sexual reproduction in unicellular algae is accomplished...

Question 14

In what way do algae differ from plants?

Accepted Answer

A)  They carry out photosynthesis with pigments other than chlorophyll a. 
B)  They have cell walls composed of carbohydrate. 
C)  They carry out anoxygenic photosynthesis. 
D)  All algae are unicellular. 
E)  All cells in their sexual reproductive structures become gametes. 
A)  They carry out photosynthesis with pigments other than chlorophyll a. 
B)  They have cell walls composed of carbohydrate. 
C)  They carry out anoxygenic photosynthesis. 
D)  All algae are unicellular. 
E)  All cells in their sexual reproductive structures become gametes.

Question 15

Which of the following is associated with meiosis but NOT with mitosis?

Accepted Answer

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

Question 16

Non-motile members of the Alveolata are

Accepted Answer

A)  the Euglenids. 
B)  the Apicomplexans. 
C)  both the Apicomplexans and the Ciliates. 
D)  the Ciliates. 
E)  the Dinoflagellates. 
A)  the Euglenids. 
B)  the Apicomplexans. 
C)  both the Apicomplexans and the Ciliates. 
D)  the Ciliates. 
E)  the Dinoflagellates.

Question 17

The reproductive process depicted in the figure is typical of (Ascomycota/Basiomycota/Zygomycota).

Accepted Answer

The answer of   The reproductive process depicted in...

Question 18

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

Accepted Answer

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

Question 19

Which of the following pairs is MISMATCHED?

Accepted Answer

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

Question 20

Single-celled eukaryotes lacking a cell wall are

Accepted Answer

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

Exam 12: Characterizing and Classifying Eukaryotes

An aligned pair of homologous chromosomes is called a

Protozoa that have a single large mitochondrion and are found living in animals are

The classification Protozoa is not an accepted taxon because it includes members of multiple kingdoms.

Protozoa that move and feed by the use of fine threadlike pseudopodia are called (Rhizaria/Amoebozoa/Apicomplexa).

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

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

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

Mites are responsible for the spread of

Soil is produced from rock by the action of

Which of the following pairs is MISMATCHED?

Which of the following statements regarding meiosis is MOST accurate?

Which of the following organisms are directly beneficial to vascular plants?

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

In what way do algae differ from plants?

Which of the following is associated with meiosis but NOT with mitosis?

Non-motile members of the Alveolata are

The reproductive process depicted in the figure is typical of (Ascomycota/Basiomycota/Zygomycota).

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

Which of the following pairs is MISMATCHED?

Single-celled eukaryotes lacking a cell wall are

A Brief History of Microbiology

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