Question 1

The largest algae are included in which of the following groups?

Accepted Answer

A) brown algae 
B) red algae 
C) green algae 
D) chrysophytes 
E) seed plants 
A) brown algae 
B) red algae 
C) green algae 
D) chrysophytes 
E) seed plants A

Question 2

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 A

Question 3

Which is false about plasmodial slime molds?

Accepted Answer

A) They are known as "social amoebas." 
B) They live in leaf litter and soils of temperate forests. 
C) They lack a diploid stage in the life cycle. 
D) They feature a multinucleated mass that arises from repeated mitotic activity without accompanying cytokinesis. 
E) They feed on decaying organic material and microbes. 
A) They are known as "social amoebas." 
B) They live in leaf litter and soils of temperate forests. 
C) They lack a diploid stage in the life cycle. 
D) They feature a multinucleated mass that arises from repeated mitotic activity without accompanying cytokinesis. 
E) They feed on decaying organic material and microbes. C

Question 4

Which of these groups is least closely related to the other four?

Accepted Answer

A) green algae 
B) red algae 
C) brown algae 
D) plants 
E) all of the above are equally closely related 
A) green algae 
B) red algae 
C) brown algae 
D) plants 
E) all of the above are equally closely related

Question 5

The calcium-rich remains of protists are now found

Accepted Answer

A) in sea floor sediments. 
B) in limestone rock formations. 
C) in the white cliffs of Dover, England. 
D) in the Egyptian pyramids. 
E) in all of these places. 
A) in sea floor sediments. 
B) in limestone rock formations. 
C) in the white cliffs of Dover, England. 
D) in the Egyptian pyramids. 
E) in all of these places.

Question 6

Most or all protist cells have

Accepted Answer

A) a nucleus. 
B) a cytoskeleton. 
C) larger ribosomes than those of prokaryotes. 
D) mitochondria, ER, and Golgi bodies. 
E) all of these. 
A) a nucleus. 
B) a cytoskeleton. 
C) larger ribosomes than those of prokaryotes. 
D) mitochondria, ER, and Golgi bodies. 
E) all of these.

Question 7

Which group does NOT belong to the alveolates?

Accepted Answer

A) apicomplexans 
B) diatoms 
C) free-living ciliates 
D) dinoflagellates 
E) parasitic ciliates 
A) apicomplexans 
B) diatoms 
C) free-living ciliates 
D) dinoflagellates 
E) parasitic ciliates

Question 8

Species of __________ infect crop plants such as potatoes and forest trees such as oak.

Accepted Answer

A) dinoflagellates 
B) foraminiferans 
C) yeasts 
D) water molds 
E) prions 
A) dinoflagellates 
B) foraminiferans 
C) yeasts 
D) water molds 
E) prions

Question 9

Which of the following diseases is NOT caused by a flagellated protist?

Accepted Answer

A) malaria 
B) African sleeping sickness 
C) Chagas disease 
D) vaginal trichomoniasis 
E) intestinal giardiasis 
A) malaria 
B) African sleeping sickness 
C) Chagas disease 
D) vaginal trichomoniasis 
E) intestinal giardiasis

Question 10

The pigment that gives color to diatoms is

Accepted Answer

A) phycobilin. 
B) chlorophyll. 
C) algin. 
D) fucoxanthin. 
E) carrageenan. 
A) phycobilin. 
B) chlorophyll. 
C) algin. 
D) fucoxanthin. 
E) carrageenan.

Question 11

Foraminiferans

Accepted Answer

A) are unicellular heterotrophs. 
B) are marine. 
C) are shelled. 
D) have hundreds of thin pseudopods. 
E) are all of these. 
A) are unicellular heterotrophs. 
B) are marine. 
C) are shelled. 
D) have hundreds of thin pseudopods. 
E) are all of these.

Question 12

Which of the following specialized structures is NOT correctly paired with a function?

Accepted Answer

A) gullet; ingestion 
B) cilia; food gathering 
C) contractile vacuole; digestion 
D) contractile vacuole; water balance 
E) pellicle; flexible support 
A) gullet; ingestion 
B) cilia; food gathering 
C) contractile vacuole; digestion 
D) contractile vacuole; water balance 
E) pellicle; flexible support

Question 13

Red algae yield which of these commercial products?

Accepted Answer

A) carrageenan 
B) nori wrappers for sushi 
C) algin 
D) agar 
E) all EXCEPT algin 
A) carrageenan 
B) nori wrappers for sushi 
C) algin 
D) agar 
E) all EXCEPT algin

Question 14

Most freshwater algae belong to which group?

Accepted Answer

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

Question 15

Slime molds are classified as

Accepted Answer

A) protists. 
B) fungi. 
C) amoebozoans. 
D) protists and amoebozoans. 
E) protists, fungi, and amoebozoans. 
A) protists. 
B) fungi. 
C) amoebozoans. 
D) protists and amoebozoans. 
E) protists, fungi, and amoebozoans.

Question 16

Which group is most closely related to fungi?

Accepted Answer

A) radiolarians 
B) stramenopiles 
C) alveolates 
D) amoebozoans 
E) oomycotes 
A) radiolarians 
B) stramenopiles 
C) alveolates 
D) amoebozoans 
E) oomycotes

Question 17

Use the figure above to answer questions 
  
-Which letter points to the counterpart of a stem in a flowering plant?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) none of these 
A) A 
B) B 
C) C 
D) D 
E) none of these

Question 18

Paramecium is a representative of the

Accepted Answer

A) apicomplexans. 
B) amoebozoans. 
C) flagellated protists. 
D) euglenoids. 
E) ciliates. 
A) apicomplexans. 
B) amoebozoans. 
C) flagellated protists. 
D) euglenoids. 
E) ciliates.

Question 19

Dinoflagellates

Accepted Answer

A) may produce red tides that poison and kill fish. 
B) produce a poison that builds up in the tissues of shellfish and may kill humans who eat infected shellfish. 
C) may undergo a population explosion that turns the ocean red or various colors. 
D) commonly are photosynthetic marine plankton. 
E) are all of these. 
A) may produce red tides that poison and kill fish. 
B) produce a poison that builds up in the tissues of shellfish and may kill humans who eat infected shellfish. 
C) may undergo a population explosion that turns the ocean red or various colors. 
D) commonly are photosynthetic marine plankton. 
E) are all of these.

Question 20

The red algae are classified as

Accepted Answer

A) rhodophytes. 
B) chlorophytes. 
C) phaeophytes. 
D) bryophytes. 
E) pterophytes. 
A) rhodophytes. 
B) chlorophytes. 
C) phaeophytes. 
D) bryophytes. 
E) pterophytes.

Exam 22: Protists the Simplest Eukaryotes

The largest algae are included in which of the following groups?

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

Which is false about plasmodial slime molds?

Which of these groups is least closely related to the other four?

The calcium-rich remains of protists are now found

Most or all protist cells have

Which group does NOT belong to the alveolates?

Species of __________ infect crop plants such as potatoes and forest trees such as oak.

Which of the following diseases is NOT caused by a flagellated protist?

The pigment that gives color to diatoms is

Foraminiferans

Which of the following specialized structures is NOT correctly paired with a function?

Red algae yield which of these commercial products?

Most freshwater algae belong to which group?

Slime molds are classified as

Which group is most closely related to fungi?

Use the figure above to answer questions -Which letter points to the counterpart of a stem in a flowering plant?

Paramecium is a representative of the

Dinoflagellates

The red algae are classified as

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