Question 1

Holdfasts, gas-filled floats, and a thick, leathery surface are found in species of

Accepted Answer

A) red algae. 
B) brown algae. 
C) bryophytes. 
D) green algae. 
E) euglenoids. 
A) red algae. 
B) brown algae. 
C) bryophytes. 
D) green algae. 
E) euglenoids.

Question 2

Which of the following organisms is responsible for the disease called sudden oak disease?

Accepted Answer

A) Balantidium coli 
B) Phytophthora ramorum 
C) Macrocystis 
D) Yersinia pestis 
E) none of these 
A) Balantidium coli 
B) Phytophthora ramorum 
C) Macrocystis 
D) Yersinia pestis 
E) none of these

Question 3

The stramenopiles include the

Accepted Answer

A) oomycotes. 
B) brown algae. 
C) Sargassum and Saprolegnia 
D) diatoms. 
E) all of these. 
A) oomycotes. 
B) brown algae. 
C) Sargassum and Saprolegnia 
D) diatoms. 
E) all of these.

Question 4

The apicomplexan parasite Plasmodium infects cells of which of the following?

Accepted Answer

A) blood 
B) liver 
C) brain 
D) both blood and liver 
E) blood, liver, and brain 
A) blood 
B) liver 
C) brain 
D) both blood and liver 
E) blood, liver, and brain

Question 5

Which of these statements is false regarding stramenopiles?

Accepted Answer

A) They have unique flagella with tinsel-like filaments. 
B) Some species are unicellular. 
C) They include diatoms and red algae. 
D) Most are photosynthetic. 
E) Their chloroplast structure hints at endosymbiotic origins. 
A) They have unique flagella with tinsel-like filaments. 
B) Some species are unicellular. 
C) They include diatoms and red algae. 
D) Most are photosynthetic. 
E) Their chloroplast structure hints at endosymbiotic origins.

Question 6

Which of the following is INCORRECT concerning Radiolarians?

Accepted Answer

A) They have perforated shells of calcium carbonate. 
B) They form part of the plankton. 
C) They use pseudopods for feeding. 
D) They have vacuoles that impart buoyancy. 
E) They are heterotrophic protists. 
A) They have perforated shells of calcium carbonate. 
B) They form part of the plankton. 
C) They use pseudopods for feeding. 
D) They have vacuoles that impart buoyancy. 
E) They are heterotrophic protists.

Question 7

Red algae

Accepted Answer

A) are primarily marine organisms. 
B) are thought to have developed from green algae. 
C) contain xanthophylls as their main accessory pigments. 
D) are mostly unicellular. 
E) are all of these. 
A) are primarily marine organisms. 
B) are thought to have developed from green algae. 
C) contain xanthophylls as their main accessory pigments. 
D) are mostly unicellular. 
E) are all of these.

Question 8

Which of the following is true regarding Trichomonas vaginalis?

Accepted Answer

A) It is a parasite. 
B) It infects the reproductive tract. 
C) It uses fermentation to produce ATP. 
D) Untreated infections damage the urinary and reproductive tracts. 
E) All of these are true. 
A) It is a parasite. 
B) It infects the reproductive tract. 
C) It uses fermentation to produce ATP. 
D) Untreated infections damage the urinary and reproductive tracts. 
E) All of these are true.

Question 9

Use the figure above to answer questions 
  
-Which of the following is a commercial product derived from this organism?

Accepted Answer

A) limestone 
B) algin 
C) agar 
D) nori 
E) chalk 
A) limestone 
B) algin 
C) agar 
D) nori 
E) chalk

Question 10

To which of the following groups does the organism in the above figure belong?

Accepted Answer

A) diplomonads, parabasalids, trypanosomes, and euglenoids 
B) ciliates, dinoflagellates, and apicomplexans 
C) water molds, diatoms, and brown algae 
D) chlorophyte and charophyte algae 
E) none of the above 
A) diplomonads, parabasalids, trypanosomes, and euglenoids 
B) ciliates, dinoflagellates, and apicomplexans 
C) water molds, diatoms, and brown algae 
D) chlorophyte and charophyte algae 
E) none of the above

Question 11

Which of the following is NOT true of euglenoids?

Accepted Answer

A) Many move by pseudopods. 
B) Many contain chloroplasts. 
C) Many absorb nutrients from their environment in a heterotrophic manner. 
D) Their cell body is surrounded by a pellicle. 
E) They use a contractile vacuole to maintain water balance. 
A) Many move by pseudopods. 
B) Many contain chloroplasts. 
C) Many absorb nutrients from their environment in a heterotrophic manner. 
D) Their cell body is surrounded by a pellicle. 
E) They use a contractile vacuole to maintain water balance.

Question 12

The failure of the potato crop and the subsequent Irish famine was due mainly to a protist belonging to which group?

Accepted Answer

A) chytrids 
B) slime molds 
C) club fungi 
D) parabasalids 
E) water molds 
A) chytrids 
B) slime molds 
C) club fungi 
D) parabasalids 
E) water molds

Question 13

What feature is common to all the alveolates?

Accepted Answer

A) heterotrophy 
B) lung-like sacs used for respiration 
C) bioluminescence 
D) complex life cycle with two hosts 
E) numerous small membrane-bound sacs beneath the plasma membrane 
A) heterotrophy 
B) lung-like sacs used for respiration 
C) bioluminescence 
D) complex life cycle with two hosts 
E) numerous small membrane-bound sacs beneath the plasma membrane

Question 14

Use the figure above to answer questions 
  
-The large organism shown here belongs to the __________ group?

Accepted Answer

A) kinetoplastids 
B) diplomonads 
C) green algae 
D) red algae 
E) brown algae 
A) kinetoplastids 
B) diplomonads 
C) green algae 
D) red algae 
E) brown algae

Question 15

Red tides and extensive fish kills are caused by population blooms of

Accepted Answer

A) Euglena. 
B) specific dinoflagellates. 
C) diatoms. 
D) Plasmodium. 
E) fish. 
A) Euglena. 
B) specific dinoflagellates. 
C) diatoms. 
D) Plasmodium. 
E) fish.

Question 16

Protists are

Accepted Answer

A) autotrophic. 
B) heterotrophic. 
C) unicellular. 
D) multicellular. 
E) all of these. 
A) autotrophic. 
B) heterotrophic. 
C) unicellular. 
D) multicellular. 
E) all of these.

Question 17

All EXCEPT which are true for Entamoeba histolytica?

Accepted Answer

A) It is a parasite inhabiting the human gut. 
B) It is the cause of amoebic dysentery. 
C) 50 million people are infected annually by this species. 
D) The organism is transmitted from person to person by an insect vector. 
E) This organism is transmitted through contaminated drinking water. 
A) It is a parasite inhabiting the human gut. 
B) It is the cause of amoebic dysentery. 
C) 50 million people are infected annually by this species. 
D) The organism is transmitted from person to person by an insect vector. 
E) This organism is transmitted through contaminated drinking water.

Question 18

The above organism is responsible for fish kills and belongs to which of the following groups?

Accepted Answer

A) chrysophytes 
B) dinoflagellates 
C) flagellated protozoans 
D) ciliates 
E) oomycotes 
A) chrysophytes 
B) dinoflagellates 
C) flagellated protozoans 
D) ciliates 
E) oomycotes

Question 19

Chloroplasts of red algae may have evolved from ancient endosymbiotic

Accepted Answer

A) cyanobacteria. 
B) dinoflagellates. 
C) apicomplexans. 
D) archaeans. 
E) nitrifying bacteria. 
A) cyanobacteria. 
B) dinoflagellates. 
C) apicomplexans. 
D) archaeans. 
E) nitrifying bacteria.

Question 20

All EXCEPT which of the following are protistan parasites of humans?

Accepted Answer

A) Trypanosoma 
B) Trichomonas 
C) Euglena 
D) Entamoeba 
E) Plasmodium 
A) Trypanosoma 
B) Trichomonas 
C) Euglena 
D) Entamoeba 
E) Plasmodium

Exam 22: Protists the Simplest Eukaryotes

Holdfasts, gas-filled floats, and a thick, leathery surface are found in species of

Which of the following organisms is responsible for the disease called sudden oak disease?

The stramenopiles include the

The apicomplexan parasite Plasmodium infects cells of which of the following?

Which of these statements is false regarding stramenopiles?

Which of the following is INCORRECT concerning Radiolarians?

Red algae

Which of the following is true regarding Trichomonas vaginalis?

Use the figure above to answer questions -Which of the following is a commercial product derived from this organism?

To which of the following groups does the organism in the above figure belong?

Which of the following is NOT true of euglenoids?

The failure of the potato crop and the subsequent Irish famine was due mainly to a protist belonging to which group?

What feature is common to all the alveolates?

Use the figure above to answer questions -The large organism shown here belongs to the __________ group?

Red tides and extensive fish kills are caused by population blooms of

Protists are

All EXCEPT which are true for Entamoeba histolytica?

The above organism is responsible for fish kills and belongs to which of the following groups?

Chloroplasts of red algae may have evolved from ancient endosymbiotic

All EXCEPT which of the following are protistan parasites of humans?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters