Question 1

Discuss how protists can be distinguished from each of the following: viruses, bacteria, fungi, plants, and animals.

Accepted Answer

Protists can be distinguished from virus

Question 2

Which sentence best describes the phylogenetic relationship between protists, fungi, plants, and animals?

Accepted Answer

A) Fungi and animals share a common protist ancestor, while plants arose from a different protist ancestor. 
B) Fungi and plants share a common protist ancestor, while animals arose from a different protist ancestor. 
C) Plants, animals, and fungi each arose from different protist lineages. 
D) Animals and plants share a common protist ancestor, while fungi arose from a different protist ancestor. 
A) Fungi and animals share a common protist ancestor, while plants arose from a different protist ancestor. 
B) Fungi and plants share a common protist ancestor, while animals arose from a different protist ancestor. 
C) Plants, animals, and fungi each arose from different protist lineages. 
D) Animals and plants share a common protist ancestor, while fungi arose from a different protist ancestor.

Question 3

From which cell walls is agar extracted?

Accepted Answer

A) those of red algae 
B) those of blue-green algae 
C) those of green algae 
D) those of golden algae 
A) those of red algae 
B) those of blue-green algae 
C) those of green algae 
D) those of golden algae

Question 4

Which of the following is an extension of a lobe of the cytoplasm, and is used by some protists for movement?

Accepted Answer

A) a pilus 
B) a cilium 
C) a pseudopod 
D) a gullet 
A) a pilus 
B) a cilium 
C) a pseudopod 
D) a gullet

Question 5

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 6

Which of the following are the least mobile protists?

Accepted Answer

A) heterokonts 
B) diatoms 
C) euglenoids 
D) apicomplexans 
A) heterokonts 
B) diatoms 
C) euglenoids 
D) apicomplexans

Question 7

-In the figure, which label identifies the structure that is the slug?

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 8

The Chlorophyta are believed to be the ancestors of fungi and animals.

Accepted Answer

A) True 
 B)False

Question 9

Which term refers to structures that are similar to roots and anchor brown algae to the substrate?

Accepted Answer

A) holdfasts 
B) thalli 
C) blades 
D) stipes 
A) holdfasts 
B) thalli 
C) blades 
D) stipes

Question 10

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 11

According to the latest research, which of the following is the best description of the first eukaryote?

Accepted Answer

A) It lacked a nucleus, but contained a mitochondrion and a chloroplast. 
B) It contained a nucleus, a mitochondrion, and a chloroplast. 
C) It contained a nucleus and a chloroplast, but not a mitochondrion. 
D) It contained a nucleus and a mitochondrion, but not a chloroplast. 
A) It lacked a nucleus, but contained a mitochondrion and a chloroplast. 
B) It contained a nucleus, a mitochondrion, and a chloroplast. 
C) It contained a nucleus and a chloroplast, but not a mitochondrion. 
D) It contained a nucleus and a mitochondrion, but not a chloroplast.

Question 12

Match each protistan genus with its description.
-Giardia

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 13

Which term refers collectively to small, photosynthetic protists found in aquatic habitats?

Accepted Answer

A) phytoplankton 
B) chrysophytes 
C) zooplankton 
D) phagoplankton 
A) phytoplankton 
B) chrysophytes 
C) zooplankton 
D) phagoplankton

Question 14

How are heterokonts characterized?

Accepted Answer

A) by having two types of nuclei 
B) by having two different flagella 
C) by having cell walls of silica 
D) by having cells walls of chitin 
A) by having two types of nuclei 
B) by having two different flagella 
C) by having cell walls of silica 
D) by having cells walls of chitin

Question 15

-In the figure, what are the labels on the structures that maintain water balance?

Accepted Answer

A) 1 and 6 
B) 1 and 3 
C) 6 and 9 
D) 7 and 8 
A) 1 and 6 
B) 1 and 3 
C) 6 and 9 
D) 7 and 8

Question 16

Which protists have both plant and animal features?

Accepted Answer

A) Paramecium 
B) Trychonympha 
C) Trichomonas 
D) Euglena 
A) Paramecium 
B) Trychonympha 
C) Trichomonas 
D) Euglena

Question 17

Which of the following is the most likely explanation for the loss of mitochondria in Excavates?

Accepted Answer

A) their flagella 
B) their aquatic habitat 
C) their similarity to bacteria 
D) their parasitic lifestyle 
A) their flagella 
B) their aquatic habitat 
C) their similarity to bacteria 
D) their parasitic lifestyle

Question 18

Match each protistan genus with its description.
-Ulva

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 19

Match each protistan genus with its description.
-Dictyostelium

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, which type of cell serves as the host for the sporozoite?

Accepted Answer

A) the nerve cell 
B) the skin cell 
C) the red blood cell 
D) the liver cell 
A) the nerve cell 
B) the skin cell 
C) the red blood cell 
D) the liver cell

Exam 24: Protists

Discuss how protists can be distinguished from each of the following: viruses, bacteria, fungi, plants, and animals.

Which sentence best describes the phylogenetic relationship between protists, fungi, plants, and animals?

From which cell walls is agar extracted?

Which of the following is an extension of a lobe of the cytoplasm, and is used by some protists for movement?

To which category of protists does the genus Plasmodium belong?

Which of the following are the least mobile protists?

-In the figure, which label identifies the structure that is the slug?

The Chlorophyta are believed to be the ancestors of fungi and animals.

Which term refers to structures that are similar to roots and anchor brown algae to the substrate?

Match each protistan genus with its description. -Entamoeba

According to the latest research, which of the following is the best description of the first eukaryote?

Match each protistan genus with its description. -Giardia

Which term refers collectively to small, photosynthetic protists found in aquatic habitats?

How are heterokonts characterized?

-In the figure, what are the labels on the structures that maintain water balance?

Which protists have both plant and animal features?

Which of the following is the most likely explanation for the loss of mitochondria in Excavates?

Match each protistan genus with its description. -Ulva

Match each protistan genus with its description. -Dictyostelium

-In the figure, which type of cell serves as the host for the sporozoite?

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

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