Question 1

Paramylon are stored particles of carbohydrate.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following DOES NOT occur in Euglenozoa?

Accepted Answer

A)  disk-shaped mitochondrial cristae 
B)  kinetoplasts 
C)  glycolysis in the peroxisomes 
D)  cilia 
E)  inter-locking protein strips 
A)  disk-shaped mitochondrial cristae 
B)  kinetoplasts 
C)  glycolysis in the peroxisomes 
D)  cilia 
E)  inter-locking protein strips

Question 3

Which of the following statements is NOT true of any Foraminifera?

Accepted Answer

A)  They contain symbiotic algae. 
B)  They formed petroleum deposits. 
C)  They are useful in studying global warming. 
D)  They have filose pseudopodia. 
E)  They have flagella. 
A)  They contain symbiotic algae. 
B)  They formed petroleum deposits. 
C)  They are useful in studying global warming. 
D)  They have filose pseudopodia. 
E)  They have flagella.

Question 4

In sexual reproduction in ciliates the sequence of events is:

Accepted Answer

A)  (1) in each conjugating pair of cells all but one of the four diploid micronuclei disintegrates, (2) then the surviving one undergoes meiosis to produce four haploid micronuclei, of which three also disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) one haploid micronucleus in each cell forms a new haploid macronucleus and the other divides mitotically to form eight new haploid micronuclei, (7) the two haploid macronuclei fuse to form a diploid one and the eight haploid micronuclei fuse by pairs into four diploid micronuclei. 
B)  (1) in each conjugating pair of cells all but one of the four diploid micronuclei disintegrates, (2) then the surviving one undergoes meiosis to produce four haploid micronuclei, of which three also disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) the two haploid micronuclei in each cell fuse to form a diploid micronucleus, that (7) divides mitotically, producing diploid macronuclei and micronuclei. 
C)  A haploid nucleus in an individual of sexual strain (+) divides mitotically and one of the daughter nuclei passes to an individual of sexual strain (-) where it fuses with the resident haploid nucleus to produce a diploid nucleus. 
D)  (1) in each conjugating pair of cells the four diploid micronuclei fuse, (2) then each undergoes meiosis to produce eight micronuclei, of which seven disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) the two haploid micronuclei in each cell fuse to form a diploid micronucleus, that (7) divides mitotically, producing diploid macronuclei and micronuclei. 
E)  All of the other choices provided are incorrect. 
A)  (1) in each conjugating pair of cells all but one of the four diploid micronuclei disintegrates, (2) then the surviving one undergoes meiosis to produce four haploid micronuclei, of which three also disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) one haploid micronucleus in each cell forms a new haploid macronucleus and the other divides mitotically to form eight new haploid micronuclei, (7) the two haploid macronuclei fuse to form a diploid one and the eight haploid micronuclei fuse by pairs into four diploid micronuclei. 
B)  (1) in each conjugating pair of cells all but one of the four diploid micronuclei disintegrates, (2) then the surviving one undergoes meiosis to produce four haploid micronuclei, of which three also disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) the two haploid micronuclei in each cell fuse to form a diploid micronucleus, that (7) divides mitotically, producing diploid macronuclei and micronuclei. 
C)  A haploid nucleus in an individual of sexual strain (+) divides mitotically and one of the daughter nuclei passes to an individual of sexual strain (-) where it fuses with the resident haploid nucleus to produce a diploid nucleus. 
D)  (1) in each conjugating pair of cells the four diploid micronuclei fuse, (2) then each undergoes meiosis to produce eight micronuclei, of which seven disintegrate, (3) the remaining micronucleus undergoes mitosis to produce two, (4) of which one stays in the parent cell and the other moves to the opposite cell while the macronucleus in each cell disintegrates, (5) the cells separate, each with two nuclei, one of its own and one from its conjugant, (6) the two haploid micronuclei in each cell fuse to form a diploid micronucleus, that (7) divides mitotically, producing diploid macronuclei and micronuclei. 
E)  All of the other choices provided are incorrect.

Question 5

Metaboly is a reduced level of metabolism that allows protists to remain dormant under stressful environments.

Accepted Answer

A) True 
 B)False

Question 6

Protists are NOT monophyletic. This means:

Accepted Answer

A)  that all protists are of the same lineage 
B)  that all protists are more closely related to each other than they are to any other kind of organisms 
C)  that all protists are not more closely related to each other than they are to some other kinds of organisms 
D)  that all protists are not in the same phylum 
E)  that all protists are in the same phylum 
A)  that all protists are of the same lineage 
B)  that all protists are more closely related to each other than they are to any other kind of organisms 
C)  that all protists are not more closely related to each other than they are to some other kinds of organisms 
D)  that all protists are not in the same phylum 
E)  that all protists are in the same phylum

Question 7

When a ciliate reproduces asexually by mitosis:

Accepted Answer

A)  The macronucleus divides into two with each new cell receiving an identical macronucleus. 
B)  The macronucleus divides into four micronuclei with each new cell receiving two micronuclei each. 
C)  The macronucleus doesn't divide but it goes to one new cell and the micronuclei go to the other. 
D)  The macronuclei fuse with the micronuclei and then divide into two with each new cell receiving an identical fused nucleus. 
E)  none of the other choices provided 
A)  The macronucleus divides into two with each new cell receiving an identical macronucleus. 
B)  The macronucleus divides into four micronuclei with each new cell receiving two micronuclei each. 
C)  The macronucleus doesn't divide but it goes to one new cell and the micronuclei go to the other. 
D)  The macronuclei fuse with the micronuclei and then divide into two with each new cell receiving an identical fused nucleus. 
E)  none of the other choices provided

Question 8

Which of the following types of organisms are NOT considered to be part of the plankton?

Accepted Answer

A)  bacteria 
B)  algae 
C)  protozoans 
D)  periphyton 
E)  viruses 
A)  bacteria 
B)  algae 
C)  protozoans 
D)  periphyton 
E)  viruses

Question 9

The alternate host for Entamoeba histolytica is the Anopheles mosquito.

Accepted Answer

A) True 
 B)False

Question 10

Amoebae are characterized by:

Accepted Answer

A)  locomotion by extension of pseudopodia 
B)  possession of hard shells 
C)  tertiary symbiosis 
D)  causing cancer 
E)  conjugation 
A)  locomotion by extension of pseudopodia 
B)  possession of hard shells 
C)  tertiary symbiosis 
D)  causing cancer 
E)  conjugation

Question 11

The supergroup Excavata contain some of Earth's most recent eukaryotes.

Accepted Answer

A) True 
 B)False

Question 12

Sexual reproduction provides multiple benefits to protists.

Accepted Answer

A) True 
 B)False

Question 13

Flagella can be used to:

Accepted Answer

A)  propel the organism through water 
B)  collect food 
C)  propel reproductive cells through water 
D)  propel the organism and collect food 
E)  propel the organism, collect food, and propel reproductive cells 
A)  propel the organism through water 
B)  collect food 
C)  propel reproductive cells through water 
D)  propel the organism and collect food 
E)  propel the organism, collect food, and propel reproductive cells

Exam 28: Protists

Paramylon are stored particles of carbohydrate.

Which of the following DOES NOT occur in Euglenozoa?

Which of the following statements is NOT true of any Foraminifera?

In sexual reproduction in ciliates the sequence of events is:

Metaboly is a reduced level of metabolism that allows protists to remain dormant under stressful environments.

Protists are NOT monophyletic. This means:

When a ciliate reproduces asexually by mitosis:

Which of the following types of organisms are NOT considered to be part of the plankton?

The alternate host for Entamoeba histolytica is the Anopheles mosquito.

Amoebae are characterized by:

The supergroup Excavata contain some of Earth's most recent eukaryotes.

Sexual reproduction provides multiple benefits to protists.

Flagella can be used to:

An Introduction to Biology

The Chemical Basis of Life I: Atoms, Molecules, and Water

The Chemical Basis of Life II: Organic Molecules

General Features of Cells

Membrane Structure, Synthesis, and Transport

An Introduction to Energy, Enzymes, and Metabolism

Cellular Respiration, Fermentation, and Secondary Metabolism

Photosynthesis

Cell Communication

Multicellularity

Nucleic Acid Structure, DNA Replication, and Chromosome Structure

Gene Expression at the Molecular Level

Gene Regulation

Mutation, DNA Repair, and Cancer

The Eukaryotic Cell Cycle, Mitosis, and Meiosis

Simple Patterns of Inheritance

Complex Patterns of Inheritance

Genetics of Viruses and Bacteria

Developmental Genetics

Genetic Technology

Genomes, Proteomes, and Bioinformatics

The Origin and History of Life

An Introduction to Evolution

Population Genetics

Origin of Species and Macroevolution

Taxonomy and Systematics

Bacteria and Archaea

Plants and the Conquest of Land

The Evolution and Diversity of Modern Gymnosperms and Angiosperms

Fungi

An Introduction to Animal Diversity

The Invertebrates

The Vertebrates

An Introduction to Flowering Plant Form and Function

Flowering Plants: Behavior

Flowering Plants: Nutrition

Flowering Plants: Transport

Flowering Plants: Reproduction

Introduction to Animal Form and Function

Neuroscience I: Cells of the Nervous System

Neuroscience Ii: Evolution and Function of the Brain and Nervous Systems

Neuroscience Iii: Sensory Systems

The Muscular-Skeletal System and Locomotion

Nutrition, Digestion, and Absorption

Control of Energy Balance, Metabolic Rate, and Body Temperature

Circulatory Systems

Respiratory Systems

Excretory Systems and Salt and Water Balance

Endocrine Systems

Animal Reproduction

Animal Development

Immune Systems

An Introduction to Ecology and Biomes

Behavioral Ecology

Population Ecology

Species Interactions

Community Ecology

Ecosystems Ecology

Biodiversity and Conservation Biology

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