Question 1

Dinoflagellates are unique in having two flagella that beat within grooves.

Accepted Answer

A) True 
 B)False

Question 2

The cryptomonad chloroplast is surrounded by four membranes.

Accepted Answer

A) True 
 B)False

Question 3

Centric diatoms are radially symmetrical.

Accepted Answer

A) True 
 B)False

Question 4

In a coral reef, zooxanthellae:

Accepted Answer

A) form a nonsymbiotic association with the coral polyps. 
B) produce glycerol instead of starch. 
C) grow only at ocean depths greater than 60 meters. 
D) do not photosynthesize. 
E) are located on the outer surface of the coral polyps. 
A) form a nonsymbiotic association with the coral polyps. 
B) produce glycerol instead of starch. 
C) grow only at ocean depths greater than 60 meters. 
D) do not photosynthesize. 
E) are located on the outer surface of the coral polyps.

Question 5

Cell wall constituents of the red algae are used commercially to produce agar and carrageenans.

Accepted Answer

A) True 
 B)False

Question 6

Members of the class Xanthophyceae:

Accepted Answer

A) contain fucoxanthin. 
B) store food reserves as oil. 
C) are mostly motile. 
D) lack chloroplasts. 
E) have cell walls primarily of silica. 
A) contain fucoxanthin. 
B) store food reserves as oil. 
C) are mostly motile. 
D) lack chloroplasts. 
E) have cell walls primarily of silica.

Question 7

Which of the following features is NOT shared by Chara and certain plants?

Accepted Answer

A) apical growth 
B) tissue organization in the nodal regions 
C) flagellated cells other than sperm 
D) pattern of plasmodesmatal connections 
E) sporopollenin 
A) apical growth 
B) tissue organization in the nodal regions 
C) flagellated cells other than sperm 
D) pattern of plasmodesmatal connections 
E) sporopollenin

Question 8

Which of the following statements about oomycetes is FALSE?

Accepted Answer

A) They have cell walls of cellulose or cellulose-like polymers. 
B) Asexually reproduction occurs by uniflagellate zoospores. 
C) Their filaments resemble hyphae. 
D) Sexual reproduction is oogamous. 
E) Some are unicellular. 
A) They have cell walls of cellulose or cellulose-like polymers. 
B) Asexually reproduction occurs by uniflagellate zoospores. 
C) Their filaments resemble hyphae. 
D) Sexual reproduction is oogamous. 
E) Some are unicellular.

Question 9

Desmids belong to the:

Accepted Answer

A) order Coleochaetales. 
B) order Charales. 
C) class Charophyceae. 
D) class Ulvophyceae. 
E) class Chlorophyceae. 
A) order Coleochaetales. 
B) order Charales. 
C) class Charophyceae. 
D) class Ulvophyceae. 
E) class Chlorophyceae.

Question 10

One role of the flagellar root system is to:

Accepted Answer

A) produce the flagellum. 
B) stimulate flagellar movement. 
C) anchor the flagellum. 
D) digest the flagellum during cell division. 
E) produce the phragmoplast. 
A) produce the flagellum. 
B) stimulate flagellar movement. 
C) anchor the flagellum. 
D) digest the flagellum during cell division. 
E) produce the phragmoplast.

Question 11

The food reserve in brown algae is:

Accepted Answer

A) floridean starch. 
B) chrysolaminarin. 
C) laminarin. 
D) glycogen. 
E) lipid. 
A) floridean starch. 
B) chrysolaminarin. 
C) laminarin. 
D) glycogen. 
E) lipid.

Question 12

______ is a member of the class Charophyceae that has an unbranched filamentous growth form.

Accepted Answer

A) Halimeda 
B) Ulva 
C) Chara 
D) Oedogonium 
E) Spirogyra 
A) Halimeda 
B) Ulva 
C) Chara 
D) Oedogonium 
E) Spirogyra

Question 13

The thalli of brown algae may consist of tissue-like pseudoparenchyma.

Accepted Answer

A) True 
 B)False

Question 14

In the euglenoids, Rubisco and other enzymes involved in photosynthesis are located in the:

Accepted Answer

A) reservoir. 
B) pellicle. 
C) contractile vacuole. 
D) paramylon. 
E) pyrenoid. 
A) reservoir. 
B) pellicle. 
C) contractile vacuole. 
D) paramylon. 
E) pyrenoid.

Question 15

Members of the class Xanthophyceae store their food reserves as glycogen.

Accepted Answer

A) True 
 B)False

Question 16

Cryptomonads arose through the fusion of a heterotrophic and a photosynthetic eukaryotic cell.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements about Phytophthora ramorum is FALSE?

Accepted Answer

A) It is an oomycete. 
B) It is the cause of sudden oak syndrome. 
C) It invades the bark of trees. 
D) It kills the plant by girdling the trunk. 
E) It infects oak trees but not other plants. 
A) It is an oomycete. 
B) It is the cause of sudden oak syndrome. 
C) It invades the bark of trees. 
D) It kills the plant by girdling the trunk. 
E) It infects oak trees but not other plants.

Question 18

All members of Class Chrysophyceae have cell walls of cellulose.

Accepted Answer

A) True 
 B)False

Question 19

The role of primary pit plugs in red algae is to:

Accepted Answer

A) interconnect cells. 
B) produce toxic terpenoids. 
C) store toxic terpenoids. 
D) enhance photosynthesis. 
E) deposit lignin. 
A) interconnect cells. 
B) produce toxic terpenoids. 
C) store toxic terpenoids. 
D) enhance photosynthesis. 
E) deposit lignin.

Question 20

Which of the following statements about algal blooms is FALSE?

Accepted Answer

A) They are associated with water disturbed by humans. 
B) They occur when algal growth is unchecked. 
C) Some are known as brown tides. 
D) The frequency of marine algal blooms has decreased globally. 
E) They are often correlated with the release of toxic compounds. 
A) They are associated with water disturbed by humans. 
B) They occur when algal growth is unchecked. 
C) Some are known as brown tides. 
D) The frequency of marine algal blooms has decreased globally. 
E) They are often correlated with the release of toxic compounds.

Exam 15: Protists: Algae and Heterotrophic Protists

Dinoflagellates are unique in having two flagella that beat within grooves.

The cryptomonad chloroplast is surrounded by four membranes.

Centric diatoms are radially symmetrical.

In a coral reef, zooxanthellae:

Cell wall constituents of the red algae are used commercially to produce agar and carrageenans.

Members of the class Xanthophyceae:

Which of the following features is NOT shared by Chara and certain plants?

Which of the following statements about oomycetes is FALSE?

Desmids belong to the:

One role of the flagellar root system is to:

The food reserve in brown algae is:

______ is a member of the class Charophyceae that has an unbranched filamentous growth form.

The thalli of brown algae may consist of tissue-like pseudoparenchyma.

In the euglenoids, Rubisco and other enzymes involved in photosynthesis are located in the:

Members of the class Xanthophyceae store their food reserves as glycogen.

Cryptomonads arose through the fusion of a heterotrophic and a photosynthetic eukaryotic cell.

Which of the following statements about Phytophthora ramorum is FALSE?

All members of Class Chrysophyceae have cell walls of cellulose.

The role of primary pit plugs in red algae is to:

Which of the following statements about algal blooms is FALSE?

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

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