Question 1

When does secondary endosymbiosis occur?

Accepted Answer

A)  when a non-photosynthetic eukaryote engulfs a photosynthetic eukaryote 
B)  when a non-photosynthetic eukaryote engulfs a photosynthetic prokaryote 
C)  when a photosynthetic eukaryote engulfs a photosynthetic prokaryote 
D)  when a photosynthetic eukaryote engulfs a non-photosynthetic prokaryote 
A)  when a non-photosynthetic eukaryote engulfs a photosynthetic eukaryote 
B)  when a non-photosynthetic eukaryote engulfs a photosynthetic prokaryote 
C)  when a photosynthetic eukaryote engulfs a photosynthetic prokaryote 
D)  when a photosynthetic eukaryote engulfs a non-photosynthetic prokaryote

Question 2

Match each protistan genus with its description.
-Entamoeba

Accepted Answer

A) causes African sleeping sickness 
B) unicellular photosynthetic protist 
C) multicellular photosynthetic protist 
D) causes amoebic dysentery 
E) causes a sexually transmitted disease
F)plasmodial slime mould
G)cellular slime mould
H)the most common intestinal parasite in North America
I)Excavate that is a human intestinal parasite
J)why pregnant women should avoid cats 
A) causes African sleeping sickness 
B) unicellular photosynthetic protist 
C) multicellular photosynthetic protist 
D) causes amoebic dysentery 
E) causes a sexually transmitted disease
F)plasmodial slime mould
G)cellular slime mould
H)the most common intestinal parasite in North America
I)Excavate that is a human intestinal parasite
J)why pregnant women should avoid cats

Question 3

The pigments responsible for the colour of red algae are the prodigiosins.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is the feature that the green algae received their name after?

Accepted Answer

A)  chloros 
B)  photosynthesis 
C)  leaflike form 
D)  filamentous form 
A)  chloros 
B)  photosynthesis 
C)  leaflike form 
D)  filamentous form

Question 5

Which of the following algal groups is the most diverse?

Accepted Answer

A)  red 
B)  green 
C)  golden 
D)  blue-green 
A)  red 
B)  green 
C)  golden 
D)  blue-green

Question 6

Which type of cellular proteins support the axopods of radiolarians internally?

Accepted Answer

A)  microfilaments 
B)  microtubules 
C)  actin filaments 
D)  lysosomal proteins 
A)  microfilaments 
B)  microtubules 
C)  actin filaments 
D)  lysosomal proteins

Question 7

What types of algae get their colour from the pigment fucoxanthin?

Accepted Answer

A)  red algae and golden algae 
B)  brown algae and golden algae 
C)  brown algae and green algae 
D)  red algae and green algae 
A)  red algae and golden algae 
B)  brown algae and golden algae 
C)  brown algae and green algae 
D)  red algae and green algae

Question 8

Which of these groups do diatoms belong to?

Accepted Answer

A)  Phaeophyta 
B)  Chrysophyta 
C)  Chromalveolata 
D)  Rhodophyta 
A)  Phaeophyta 
B)  Chrysophyta 
C)  Chromalveolata 
D)  Rhodophyta

Question 9

Match each protistan genus with its description.
-Trichomonas

Accepted Answer

A) causes African sleeping sickness 
B) unicellular photosynthetic protist 
C) multicellular photosynthetic protist 
D) causes amoebic dysentery 
E) causes a sexually transmitted disease
F)plasmodial slime mould
G)cellular slime mould
H)the most common intestinal parasite in North America
I)Excavate that is a human intestinal parasite
J)why pregnant women should avoid cats 
A) causes African sleeping sickness 
B) unicellular photosynthetic protist 
C) multicellular photosynthetic protist 
D) causes amoebic dysentery 
E) causes a sexually transmitted disease
F)plasmodial slime mould
G)cellular slime mould
H)the most common intestinal parasite in North America
I)Excavate that is a human intestinal parasite
J)why pregnant women should avoid cats

Question 10

What do all protists possess?

Accepted Answer

A)  cell walls 
B)  multiple, circular chromosomes 
C)  chloroplasts 
D)  microtubules and microfilaments 
A)  cell walls 
B)  multiple, circular chromosomes 
C)  chloroplasts 
D)  microtubules and microfilaments

Question 11

On what basis can cellular slime moulds be distinguished from plasmodial slime moulds?

Accepted Answer

A)  reproductive structures 
B)  spore formation 
C)  food requirements 
D)  nuclei per cell 
A)  reproductive structures 
B)  spore formation 
C)  food requirements 
D)  nuclei per cell

Question 12

Which of these protists is the cause of "beaver fever"?

Accepted Answer

A)  Physarum polycephalum 
B)  Plasmodium falciparum 
C)  Giardia lamblia 
D)  Pseudomonas aeruginosa 
A)  Physarum polycephalum 
B)  Plasmodium falciparum 
C)  Giardia lamblia 
D)  Pseudomonas aeruginosa

Question 13

Many algal species have life cycles consisting of alternating haploid and diploid generations. Which of these sentences describes the organisms that comprise the most common life cycle in brown algae?

Accepted Answer

A)  They are unicellular in both the haploid and diploid stages. 
B)  They are colonial in both the haploid and diploid stages. 
C)  They are multicellular in both the haploid and diploid stages. 
D)  They are multicellular in the haploid stage and unicellular in the diploid stage. 
A)  They are unicellular in both the haploid and diploid stages. 
B)  They are colonial in both the haploid and diploid stages. 
C)  They are multicellular in both the haploid and diploid stages. 
D)  They are multicellular in the haploid stage and unicellular in the diploid stage.

Question 14

Which of these terms can be used to describe the majority of protists?

Accepted Answer

A)  aerobic 
B)  photosynthetic 
C)  anaerobic 
D)  autotrophic 
A)  aerobic 
B)  photosynthetic 
C)  anaerobic 
D)  autotrophic

Question 15

To which category of protists does the genus Plasmodium belong?

Accepted Answer

A)  apicomplexans 
B)  ciliates 
C)  dinoflagellates 
D)  euglenoids 
A)  apicomplexans 
B)  ciliates 
C)  dinoflagellates 
D)  euglenoids

Question 16

Figure 24-2  
-In Figure 24-2, in which step is meiosis occurring?

Accepted Answer

A)  1 
B)  3 
C)  4 
D)  6 
A)  1 
B)  3 
C)  4 
D)  6

Question 17

How many different species of Plasmodium cause malaria?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
A)  2 
B)  3 
C)  4 
D)  5

Question 18

Suppose you discover an organism that has a nucleus but no mitochondria. Which of the following could this organism be?

Accepted Answer

A)  kinetoplastid 
B)  diplomonad 
C)  euglenoid 
D)  ciliate 
A)  kinetoplastid 
B)  diplomonad 
C)  euglenoid 
D)  ciliate

Question 19

What is the undulating membrane of parabasalids used for?

Accepted Answer

A)  defensive purposes 
B)  food absorption 
C)  movement 
D)  structural support 
A)  defensive purposes 
B)  food absorption 
C)  movement 
D)  structural support

Question 20

From which type of algae is algin extracted?

Accepted Answer

A)  golden algae 
B)  red algae 
C)  brown algae 
D)  blue-green algae 
A)  golden algae 
B)  red algae 
C)  brown algae 
D)  blue-green algae

Exam 24: Protists

When does secondary endosymbiosis occur?

Match each protistan genus with its description. -Entamoeba

The pigments responsible for the colour of red algae are the prodigiosins.

Which of the following is the feature that the green algae received their name after?

Which of the following algal groups is the most diverse?

Which type of cellular proteins support the axopods of radiolarians internally?

What types of algae get their colour from the pigment fucoxanthin?

Which of these groups do diatoms belong to?

Match each protistan genus with its description. -Trichomonas

What do all protists possess?

On what basis can cellular slime moulds be distinguished from plasmodial slime moulds?

Which of these protists is the cause of "beaver fever"?

Many algal species have life cycles consisting of alternating haploid and diploid generations. Which of these sentences describes the organisms that comprise the most common life cycle in brown algae?

Which of these terms can be used to describe the majority of protists?

To which category of protists does the genus Plasmodium belong?

Figure 24-2 -In Figure 24-2, in which step is meiosis occurring?

How many different species of Plasmodium cause malaria?

Suppose you discover an organism that has a nucleus but no mitochondria. Which of the following could this organism be?

What is the undulating membrane of parabasalids used for?

From which type of algae is algin extracted?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

Filters