Question 1

Agar is produced by

Accepted Answer

A) brown algae. 
B) red algae. 
C) phycobilins. 
D) foraminiferans. 
E) brown and red algae. 
A) brown algae. 
B) red algae. 
C) phycobilins. 
D) foraminiferans. 
E) brown and red algae.

Question 2

Which feature is shared by euglenoids and kinetoplastids?

Accepted Answer

A) an eyespot 
B) a single flagellum 
C) photoautotrophy 
D) parasitic existence 
E) live in marine and freshwater habitats 
A) an eyespot 
B) a single flagellum 
C) photoautotrophy 
D) parasitic existence 
E) live in marine and freshwater habitats

Question 3

Today the term "algae" is used primarily for organisms in the group(s)

Accepted Answer

A) bacteria. 
B) protista. 
C) plantae. 
D) bacteria and protista only. 
E) bacteria, protista, and plantae. 
A) bacteria. 
B) protista. 
C) plantae. 
D) bacteria and protista only. 
E) bacteria, protista, and plantae.

Question 4

The gritty substance you may feel on your teeth after using toothpaste is actually

Accepted Answer

A) small deposits of sand. 
B) diatomaceous earth. 
C) cellulose from dinoflagellates. 
D) a synthetic abrasive. 
E) derived from foraminiferans. 
A) small deposits of sand. 
B) diatomaceous earth. 
C) cellulose from dinoflagellates. 
D) a synthetic abrasive. 
E) derived from foraminiferans.

Question 5

The group Amoebozoa

Accepted Answer

A) is monophyletic. 
B) includes the amoebas. 
C) includes the slime molds. 
D) includes species most of which are able to form pseudopods. 
E) includes all of these. 
A) is monophyletic. 
B) includes the amoebas. 
C) includes the slime molds. 
D) includes species most of which are able to form pseudopods. 
E) includes all of these.

Question 6

Which of the following parts of a brown alga do(es) NOT have a counterpart in land plants?

Accepted Answer

A) blade 
B) stipe 
C) float 
D) holdfast 
E) all of these 
A) blade 
B) stipe 
C) float 
D) holdfast 
E) all of these

Question 7

All EXCEPT which of these features of Giardia lamblia is correct?

Accepted Answer

A) parabasalid 
B) lack mitochondria 
C) common intestinal parasite of mammals 
D) anaerobic 
E) forms cysts that survive in water contaminated with feces 
A) parabasalid 
B) lack mitochondria 
C) common intestinal parasite of mammals 
D) anaerobic 
E) forms cysts that survive in water contaminated with feces

Question 8

Which of the following about Toxoplasmosis is true?

Accepted Answer

A) It is a parasite. 
B) It is commonly found in cats allowed to go outdoors. 
C) Pregnant women should avoid cleaning cat litter boxes. 
D) It is frequently fatal to HIV patients. 
E) All of these are true. 
A) It is a parasite. 
B) It is commonly found in cats allowed to go outdoors. 
C) Pregnant women should avoid cleaning cat litter boxes. 
D) It is frequently fatal to HIV patients. 
E) All of these are true.

Question 9

Which of the following is (are) monophyletic group(s) of protists?

Accepted Answer

A) amoebozoa 
B) red algae 
C) parabasalids and diplomonads 
D) radiolarians and foraminiferans 
E) all of these 
A) amoebozoa 
B) red algae 
C) parabasalids and diplomonads 
D) radiolarians and foraminiferans 
E) all of these

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) amoebas and slime molds 
A) diplomonads, parabasalids, trypanosomes, and euglenoids 
B) ciliates, dinoflagellates, and apicomplexans 
C) water molds, diatoms, and brown algae 
D) chlorophyte and charophyte algae 
E) amoebas and slime molds

Question 11

Chlorophytes

Accepted Answer

A) are very diverse in size. 
B) may be unicellular, multicellular, or colonial. 
C) inhabit freshwater, marine, and soil habitats. 
D) include symbiotic species. 
E) are all of these. 
A) are very diverse in size. 
B) may be unicellular, multicellular, or colonial. 
C) inhabit freshwater, marine, and soil habitats. 
D) include symbiotic species. 
E) are all of these.

Question 12

Water molds are

Accepted Answer

A) parasites of fish and invertebrates. 
B) the cause of late blight of potatoes. 
C) the cause of sudden oak death. 
D) responsible for the destruction of cucumber, squash, and other crops. 
E) all of these. 
A) parasites of fish and invertebrates. 
B) the cause of late blight of potatoes. 
C) the cause of sudden oak death. 
D) responsible for the destruction of cucumber, squash, and other crops. 
E) all of these.

Question 13

The signal for aggregation and communal activity by cellular slime molds is

Accepted Answer

A) auxin. 
B) cyclic-AMP. 
C) glycoprotein slime. 
D) RNA. 
E) unidentified as yet. 
A) auxin. 
B) cyclic-AMP. 
C) glycoprotein slime. 
D) RNA. 
E) unidentified as yet.

Question 14

A pellicle is a(n)

Accepted Answer

A) defensive organ. 
B) covering. 
C) organelle of motion. 
D) storage organ. 
E) component of the nucleus. 
A) defensive organ. 
B) covering. 
C) organelle of motion. 
D) storage organ. 
E) component of the nucleus.

Question 15

Cellular slime molds can be distinguished from plasmodial slime molds on the basis of

Accepted Answer

A) reproductive structures. 
B) spore formation. 
C) number of nuclei per cell. 
D) slime trails. 
E) food requirements. 
A) reproductive structures. 
B) spore formation. 
C) number of nuclei per cell. 
D) slime trails. 
E) food requirements.

Question 16

When under attack, ciliates can eject sticky threads called

Accepted Answer

A) vacuoles. 
B) trichocysts. 
C) cysts. 
D) pseudopods. 
E) pellicles. 
A) vacuoles. 
B) trichocysts. 
C) cysts. 
D) pseudopods. 
E) pellicles.

Question 17

Protists cause all EXCEPT which of the following diseases?

Accepted Answer

A) dysentery 
B) neurotoxic shellfish poisoning 
C) malaria 
D) elephantiasis 
E) trichomonal infections of the reproductive tract 
A) dysentery 
B) neurotoxic shellfish poisoning 
C) malaria 
D) elephantiasis 
E) trichomonal infections of the reproductive tract

Question 18

Use the figure above to answer questions 
  
-The organism shown here represents the __________ stage in the life cycle.

Accepted Answer

A) sporophyte 
B) gametophyte 
C) haploid 
D) motile 
E) feeding 
A) sporophyte 
B) gametophyte 
C) haploid 
D) motile 
E) feeding

Question 19

The simplest of the eukaryotes are the

Accepted Answer

A) protists. 
B) plants. 
C) fungi. 
D) animals. 
E) both protists and fungi. 
A) protists. 
B) plants. 
C) fungi. 
D) animals. 
E) both protists and fungi.

Question 20

Euglenoids

Accepted Answer

A) reproduce faster than their chloroplasts, so that colorless euglenoids result. 
B) may become a serious parasitic infection in some small children. 
C) that are photosynthetic have a unique eyespot. 
D) reproduce by conjugation. 
E) are parasitic on plant and animal hosts. 
A) reproduce faster than their chloroplasts, so that colorless euglenoids result. 
B) may become a serious parasitic infection in some small children. 
C) that are photosynthetic have a unique eyespot. 
D) reproduce by conjugation. 
E) are parasitic on plant and animal hosts.

Exam 22: Protists the Simplest Eukaryotes

Agar is produced by

Which feature is shared by euglenoids and kinetoplastids?

Today the term "algae" is used primarily for organisms in the group(s)

The gritty substance you may feel on your teeth after using toothpaste is actually

The group Amoebozoa

Which of the following parts of a brown alga do(es) NOT have a counterpart in land plants?

All EXCEPT which of these features of Giardia lamblia is correct?

Which of the following about Toxoplasmosis is true?

Which of the following is (are) monophyletic group(s) of protists?

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

Chlorophytes

Water molds are

The signal for aggregation and communal activity by cellular slime molds is

A pellicle is a(n)

Cellular slime molds can be distinguished from plasmodial slime molds on the basis of

When under attack, ciliates can eject sticky threads called

Protists cause all EXCEPT which of the following diseases?

Use the figure above to answer questions -The organism shown here represents the __________ stage in the life cycle.

The simplest of the eukaryotes are the

Euglenoids

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