Question 1

Which of the following statements about cryptomonads is FALSE?

Accepted Answer

A) They are flagellates. 
B) They are unicellular. 
C) They live primarily in warm, surface waters. 
D) They are rich in polyunsaturated fatty acids. 
E) They include autotrophs and heterotrophs. 
A) They are flagellates. 
B) They are unicellular. 
C) They live primarily in warm, surface waters. 
D) They are rich in polyunsaturated fatty acids. 
E) They include autotrophs and heterotrophs.

Question 2

Kelps produce algin, which is used to emulsify foods.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements concerning the stramenopiles is FALSE?

Accepted Answer

A) They are also known as heterokonts. 
B) They have hairs on one of their flagella. 
C) They are related to certain heterotrophic protists. 
D) Their name means "straw hairs." 
E) Their longer flagellum is ornamented with distinctive hairs. 
A) They are also known as heterokonts. 
B) They have hairs on one of their flagella. 
C) They are related to certain heterotrophic protists. 
D) Their name means "straw hairs." 
E) Their longer flagellum is ornamented with distinctive hairs.

Question 4

Which of the following statements about protists is FALSE?

Accepted Answer

A) Some of the oldest fossil eukaryotes resembled protists. 
B) They live mainly on land. 
C) They exhibit zygotic, sporic, and gametic life cycles. 
D) They include the slime molds. 
E) Fungi, plants, and animals are derived from ancient protists. 
A) Some of the oldest fossil eukaryotes resembled protists. 
B) They live mainly on land. 
C) They exhibit zygotic, sporic, and gametic life cycles. 
D) They include the slime molds. 
E) Fungi, plants, and animals are derived from ancient protists.

Question 5

The storage polysaccharide in euglenoids is:

Accepted Answer

A) starch. 
B) lipid. 
C) glycogen. 
D) paramylon. 
E) pellicle. 
A) starch. 
B) lipid. 
C) glycogen. 
D) paramylon. 
E) pellicle.

Question 6

In the Dictyostelium life cycle, myxamoebas aggregate by migrating along a gradient of:

Accepted Answer

A) cAMP. 
B) glucose. 
C) protein. 
D) paramylon. 
E) microtubules. 
A) cAMP. 
B) glucose. 
C) protein. 
D) paramylon. 
E) microtubules.

Question 7

Dinobryon is a representative member of Class Chrysophyceae.

Accepted Answer

A) True 
 B)False

Question 8

The life history of most red algae consists of the following phases:

Accepted Answer

A) gametophyte and carposporophyte. 
B) gametophyte and tetrasporophyte. 
C) carposporophyte and tetrasporophyte. 
D) gametophyte, carposporophyte, and tetrasporophyte. 
E) gametophyte, sporophyte, carposporophyte, and tetrasporophyte. 
A) gametophyte and carposporophyte. 
B) gametophyte and tetrasporophyte. 
C) carposporophyte and tetrasporophyte. 
D) gametophyte, carposporophyte, and tetrasporophyte. 
E) gametophyte, sporophyte, carposporophyte, and tetrasporophyte.

Question 9

Which of the following structures is NOT associated with sexual reproduction in Spirogyra?

Accepted Answer

A) isogametes 
B) conjugation tube 
C) flagellated reproductive cells 
D) sporopollenin 
E) zygotic meiosis 
A) isogametes 
B) conjugation tube 
C) flagellated reproductive cells 
D) sporopollenin 
E) zygotic meiosis

Question 10

Algae can be cultivated for biofuel production.

Accepted Answer

A) True 
 B)False

Question 11

A coccolith, found in haptophytes, is a(n):

Accepted Answer

A) membrane of the chloroplast endoplasmic reticulum. 
B) stonelike outgrowth of the plasma membrane. 
C) endosymbiotic bacterial cell. 
D) calcified scale on the cell surface. 
E) calcium-containing Golgi vesicle. 
A) membrane of the chloroplast endoplasmic reticulum. 
B) stonelike outgrowth of the plasma membrane. 
C) endosymbiotic bacterial cell. 
D) calcified scale on the cell surface. 
E) calcium-containing Golgi vesicle.

Question 12

Which of the following statements about dinoflagellates is FALSE?

Accepted Answer

A) They have three or more flagella in grooves. 
B) They have permanently condensed chromosomes. 
C) Many have stiff cellulosic plates. 
D) They are unicellular. 
E) About half are photosynthetic. 
A) They have three or more flagella in grooves. 
B) They have permanently condensed chromosomes. 
C) Many have stiff cellulosic plates. 
D) They are unicellular. 
E) About half are photosynthetic.

Question 13

A haptonema is a flat scale on the outer surface of a haptophyte cell.

Accepted Answer

A) True 
 B)False

Question 14

______ is a motile, colonial member of the Chlorophyceae.

Accepted Answer

A) Hydrodictyon 
B) Halimeda 
C) Volvox 
D) Oedogonium 
E) Chlorella 
A) Hydrodictyon 
B) Halimeda 
C) Volvox 
D) Oedogonium 
E) Chlorella

Question 15

Phytophthora infestans is a myxomycetea responsible for the great potato famine of 1846−1849 in Ireland.

Accepted Answer

A) True 
 B)False

Question 16

In the life cycle of Dictyostelium discoideum, myxamoebas aggregate to form a:

Accepted Answer

A) spore. 
B) sclerotium. 
C) sporangium. 
D) plasmodium. 
E) pseudoplasmodium. 
A) spore. 
B) sclerotium. 
C) sporangium. 
D) plasmodium. 
E) pseudoplasmodium.

Question 17

In Volvox, spheroids turn inside out before they become motile.

Accepted Answer

A) True 
 B)False

Question 18

Diatoms belong to the class:

Accepted Answer

A) Chrysophyceae. 
B) Bacillariophyceae. 
C) Chlorophyceae. 
D) Phaeophyceae. 
E) Xanthophyceae. 
A) Chrysophyceae. 
B) Bacillariophyceae. 
C) Chlorophyceae. 
D) Phaeophyceae. 
E) Xanthophyceae.

Question 19

The life history of most red algae has three phases: a haploid gametophyte, a diploid zygote, and a diploid tetrasporophyte.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements about euglenoids is FALSE?

Accepted Answer

A) All are flagellates. 
B) Some are heterotrophic. 
C) Some are autotrophic. 
D) Most have a cell wall. 
E) Most are unicellular. 
A) All are flagellates. 
B) Some are heterotrophic. 
C) Some are autotrophic. 
D) Most have a cell wall. 
E) Most are unicellular.

Exam 15: Protists: Algae and Heterotrophic Protists

Which of the following statements about cryptomonads is FALSE?

Kelps produce algin, which is used to emulsify foods.

Which of the following statements concerning the stramenopiles is FALSE?

Which of the following statements about protists is FALSE?

The storage polysaccharide in euglenoids is:

In the Dictyostelium life cycle, myxamoebas aggregate by migrating along a gradient of:

Dinobryon is a representative member of Class Chrysophyceae.

The life history of most red algae consists of the following phases:

Which of the following structures is NOT associated with sexual reproduction in Spirogyra?

Algae can be cultivated for biofuel production.

A coccolith, found in haptophytes, is a(n):

Which of the following statements about dinoflagellates is FALSE?

A haptonema is a flat scale on the outer surface of a haptophyte cell.

______ is a motile, colonial member of the Chlorophyceae.

Phytophthora infestans is a myxomycetea responsible for the great potato famine of 1846−1849 in Ireland.

In the life cycle of Dictyostelium discoideum, myxamoebas aggregate to form a:

In Volvox, spheroids turn inside out before they become motile.

Diatoms belong to the class:

The life history of most red algae has three phases: a haploid gametophyte, a diploid zygote, and a diploid tetrasporophyte.

Which of the following statements about euglenoids 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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