Question 1

Match each protistan genus with its description.
-Toxoplasma

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 2

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 3

Which term describes kinetoplastida?

Accepted Answer

A) prokaryotic 
B) photosynthetic 
C) parasitic 
D) ciliated 
A) prokaryotic 
B) photosynthetic 
C) parasitic 
D) ciliated

Question 4

What is the apical complex of apicomplexans used for?

Accepted Answer

A) food absorption 
B) attachment 
C) structural support 
D) asexual reproduction 
A) food absorption 
B) attachment 
C) structural support 
D) asexual reproduction

Question 5

Discuss the ecological significance of the dinoflagellates.

Accepted Answer

More than 4000 species of dinoflagellate

Question 6

-In the figure, which label identifies the diploid stage of this organism?

Accepted Answer

A) label A 
B) label C 
C) label D 
D) label E 
A) label A 
B) label C 
C) label D 
D) label E

Question 7

Which group belongs to the Chromalveolates?

Accepted Answer

A) diatoms 
B) apicomplexans 
C) chlorophyta 
D) rhodophyta 
A) diatoms 
B) apicomplexans 
C) chlorophyta 
D) rhodophyta

Question 8

-In the figure, what are the structures labelled as number 4?

Accepted Answer

A) the pili 
B) the flagella 
C) the cilia 
D) the pellicles 
A) the pili 
B) the flagella 
C) the cilia 
D) the pellicles

Question 9

Some protists have a pellicle. What is a pellicle used for?

Accepted Answer

A) food storage 
B) defensive purposes 
C) structural support 
D) water absorption 
A) food storage 
B) defensive purposes 
C) structural support 
D) water absorption

Question 10

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 11

Match each characteristic to a type of algae. Algae may be used once, more than once, or not at all.
-most diverse

Accepted Answer

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

Question 12

-In the figure, what is occurring in step 1?

Accepted Answer

A) fusion 
B) mitosis 
C) meiosis 
D) fertilization 
A) fusion 
B) mitosis 
C) meiosis 
D) fertilization

Question 13

Suppose that you find a protist that is unicellular, heterotrophic, and nonflagellated, and it has two nuclei of different sizes. What could be concluded about this organism?

Accepted Answer

A) It is an ameobozoan. 
B) It is a ciliate. 
C) It is a foraminiferan. 
D) It is a kinetoplastid. 
A) It is an ameobozoan. 
B) It is a ciliate. 
C) It is a foraminiferan. 
D) It is a kinetoplastid.

Question 14

Diatomaceous earth is the fine powder produced from grinding the fossilized shells of diatoms.

Accepted Answer

A) True 
 B)False

Question 15

-In the figure, which organism's life cycle is illustrated?

Accepted Answer

A) Paramecium spp. 
B) Euglena spp. 
C) malaria 
D) Plasmodium spp. 
A) Paramecium spp. 
B) Euglena spp. 
C) malaria 
D) Plasmodium spp.

Question 16

Which sentence best describes diatoms?

Accepted Answer

A) They are unicellular and autotrophic. 
B) They are multicellular and heterotrophic. 
C) They are unicellular and heterotrophic. 
D) They are multicellular and parasitic. 
A) They are unicellular and autotrophic. 
B) They are multicellular and heterotrophic. 
C) They are unicellular and heterotrophic. 
D) They are multicellular and parasitic.

Question 17

From which type of algae is algin extracted?

Accepted Answer

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

Question 18

Which modern type of algae most closely resembles the algal ancestor of green plants?

Accepted Answer

A) Phaeophyta 
B) Chrysophyta 
C) Radiolaria 
D) Charophyta 
A) Phaeophyta 
B) Chrysophyta 
C) Radiolaria 
D) Charophyta

Question 19

Match each protistan genus with its description.
-Trypanosoma

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 20

-In the figure, what is the structure labelled as number 7?

Accepted Answer

A) the gullet 
B) the mitochondrion 
C) the micronucleus 
D) the macronucleus 
A) the gullet 
B) the mitochondrion 
C) the micronucleus 
D) the macronucleus

Exam 24: Protists

Match each protistan genus with its description. -Toxoplasma

What is the undulating membrane of Parabasalids used for?

Which term describes kinetoplastida?

What is the apical complex of apicomplexans used for?

Discuss the ecological significance of the dinoflagellates.

-In the figure, which label identifies the diploid stage of this organism?

Which group belongs to the Chromalveolates?

-In the figure, what are the structures labelled as number 4?

Some protists have a pellicle. What is a pellicle used for?

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

Match each characteristic to a type of algae. Algae may be used once, more than once, or not at all. -most diverse

-In the figure, what is occurring in step 1?

Suppose that you find a protist that is unicellular, heterotrophic, and nonflagellated, and it has two nuclei of different sizes. What could be concluded about this organism?

Diatomaceous earth is the fine powder produced from grinding the fossilized shells of diatoms.

-In the figure, which organism's life cycle is illustrated?

Which sentence best describes diatoms?

From which type of algae is algin extracted?

Which modern type of algae most closely resembles the algal ancestor of green plants?

Match each protistan genus with its description. -Trypanosoma

-In the figure, what is the structure labelled as number 7?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

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

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters