Question 1

Ciguatera poisoning is due to activities of which of the following?

Accepted Answer

A) green algae 
B) diatoms 
C) dinoflagellates 
D) brown algae 
E) euglena 
A) green algae 
B) diatoms 
C) dinoflagellates 
D) brown algae 
E) euglena

Question 2

Which of the following statements is correct?

Accepted Answer

A) Sexual reproduction of diatoms is through cell division. 
B) Diatoms are common in tropical oceans but rare in cold oceans. 
C) Brown algae include only the kelps. 
D) The Phaeophyta are the least complex of all the algae. 
E) In Fucus,the swollen areas at the ends of the blade are reproductive structures called receptacles. 
A) Sexual reproduction of diatoms is through cell division. 
B) Diatoms are common in tropical oceans but rare in cold oceans. 
C) Brown algae include only the kelps. 
D) The Phaeophyta are the least complex of all the algae. 
E) In Fucus,the swollen areas at the ends of the blade are reproductive structures called receptacles.

Question 3

You discover a flagellated single-celled organism living in a freshwater pond.It has a greenish color,a pellicle,a short flagellum and a long flagellum,and a large red eye spot.You have likely discovered which of the following?

Accepted Answer

A) dinoflagellate 
B) Euglena 
C) cyanobacterium 
D) diatom 
E) green alga 
A) dinoflagellate 
B) Euglena 
C) cyanobacterium 
D) diatom 
E) green alga

Question 4

The Chlorophyta and Charophyta are part of the Kingdom Protista.

Accepted Answer

A) True 
 B)False

Question 5

What is found in land plants that is lacking in Fucus?

Accepted Answer

A) the pigment,chlorophyll 
B) multicellularity 
C) cellular nuclei 
D) a true alternation of generations 
E) More than one of the above are correct. 
A) the pigment,chlorophyll 
B) multicellularity 
C) cellular nuclei 
D) a true alternation of generations 
E) More than one of the above are correct.

Question 6

How do red algae differ from green and brown algae?

Accepted Answer

A) They contain no form of chlorophyll. 
B) They have a multicellular thallus. 
C) Their gametes are not flagellated. 
D) Their environments are mainly marine. 
E) All of these are ways in which red algae differ from green and brown algae. 
A) They contain no form of chlorophyll. 
B) They have a multicellular thallus. 
C) Their gametes are not flagellated. 
D) Their environments are mainly marine. 
E) All of these are ways in which red algae differ from green and brown algae.

Question 7

Which of the following statements is(are)correct about the algae?

Accepted Answer

A) They are a diverse group of photosynthetic organisms. 
B) They range in size from microscopic single cells to giant,complex,multicellular organisms. 
C) They occupy the base of food chains in both freshwater and marine ecosystems. 
D) They have been used as food for humans throughout the world. 
E) All of the above are correct. 
A) They are a diverse group of photosynthetic organisms. 
B) They range in size from microscopic single cells to giant,complex,multicellular organisms. 
C) They occupy the base of food chains in both freshwater and marine ecosystems. 
D) They have been used as food for humans throughout the world. 
E) All of the above are correct.

Question 8

Currently the "algae" are classified in two domains and at least six separate kingdoms.

Accepted Answer

A) True 
 B)False

Question 9

From which of the following did land plants evolve?

Accepted Answer

A) Rhodophytes 
B) Dinophytes 
C) Chlorophytes 
D) Phaeophytes 
E) Euglenophytes 
A) Rhodophytes 
B) Dinophytes 
C) Chlorophytes 
D) Phaeophytes 
E) Euglenophytes

Question 10

In biological control,a synthetic toxin is introduced to control the spread of an invasive species.

Accepted Answer

A) True 
 B)False

Question 11

You discover a single-celled organism living in a freshwater pond.It is covered in cellulose plates and has two flagella.You have likely discovered which of the following?

Accepted Answer

A) dinoflagellate 
B) Euglena 
C) cyanobacterium 
D) diatom 
E) Nostoc 
A) dinoflagellate 
B) Euglena 
C) cyanobacterium 
D) diatom 
E) Nostoc

Question 12

Diatoms with bilateral symmetry are known as ________ diatoms.

Accepted Answer

The answer of Diatoms with bilateral symmetry are known as...

Question 13

Which of the following substances has been shown to block the replication of rhinoviruses?

Accepted Answer

A) agar 
B) alginic acid 
C) carrageenan 
D) cellulose 
E) phycobillins 
A) agar 
B) alginic acid 
C) carrageenan 
D) cellulose 
E) phycobillins

Question 14

When does sexual reproduction occur in diatoms?

Accepted Answer

A) when ocean temperatures fall below 4°C 
B) after zoospores hibernate for several months 
C) after one of the frustule halves reaches a certain size 
D) after a diatom passes through the gut of an anemone 
E) None of the above are correct. 
A) when ocean temperatures fall below 4°C 
B) after zoospores hibernate for several months 
C) after one of the frustule halves reaches a certain size 
D) after a diatom passes through the gut of an anemone 
E) None of the above are correct.

Question 15

Dinoflagellates only occur in marine environments.

Accepted Answer

A) True 
 B)False

Question 16

The Kingdom Protista is probably polyphyletic.Which of the following protist groups is not correctly matched?

Accepted Answer

A) Dinophyta :: dinoflagellates 
B) Bacillariophyta :: diatoms 
C) Phaeophyta :: brown algae 
D) Chlorophyta :: blue green bacteria 
E) Rhodophyta :: red algae 
A) Dinophyta :: dinoflagellates 
B) Bacillariophyta :: diatoms 
C) Phaeophyta :: brown algae 
D) Chlorophyta :: blue green bacteria 
E) Rhodophyta :: red algae

Question 17

How do toxins produced by Microcystis aeruginosa cause damage?

Accepted Answer

A) by interfering with protein synthesis 
B) by breaking down the cytoskeleton 
C) by disrupting mitosis 
D) by poking holes in the nuclear membrane 
E) by doing all of the above 
A) by interfering with protein synthesis 
B) by breaking down the cytoskeleton 
C) by disrupting mitosis 
D) by poking holes in the nuclear membrane 
E) by doing all of the above

Question 18

In the life cycle of brown algae,meiosis specifically occurs in which of the following?

Accepted Answer

A) oogonia 
B) antheridia 
C) the female thallus 
D) the male thallus 
E) More than one of the above are correct. 
A) oogonia 
B) antheridia 
C) the female thallus 
D) the male thallus 
E) More than one of the above are correct.

Question 19

In which of the following way(s)does (do)the algae differ from land plants?

Accepted Answer

A) Algae do not have cell walls. 
B) Some algae do not have chlorophyll a. 
C) Some algae are not photosynthetic. 
D) Algae are not embryophytes. 
E) All of these are ways in which algae differ from land plants. 
A) Algae do not have cell walls. 
B) Some algae do not have chlorophyll a. 
C) Some algae are not photosynthetic. 
D) Algae are not embryophytes. 
E) All of these are ways in which algae differ from land plants.

Question 20

The euglenoids are capable of producing an extremely powerful nerve toxin and are responsible for the phenomenon known as the Red Tide.

Accepted Answer

A) True 
 B)False

Exam 22: The Algae

Ciguatera poisoning is due to activities of which of the following?

Which of the following statements is correct?

You discover a flagellated single-celled organism living in a freshwater pond.It has a greenish color,a pellicle,a short flagellum and a long flagellum,and a large red eye spot.You have likely discovered which of the following?

The Chlorophyta and Charophyta are part of the Kingdom Protista.

What is found in land plants that is lacking in Fucus?

How do red algae differ from green and brown algae?

Which of the following statements is(are)correct about the algae?

Currently the "algae" are classified in two domains and at least six separate kingdoms.

From which of the following did land plants evolve?

In biological control,a synthetic toxin is introduced to control the spread of an invasive species.

You discover a single-celled organism living in a freshwater pond.It is covered in cellulose plates and has two flagella.You have likely discovered which of the following?

Diatoms with bilateral symmetry are known as ________ diatoms.

Which of the following substances has been shown to block the replication of rhinoviruses?

When does sexual reproduction occur in diatoms?

Dinoflagellates only occur in marine environments.

The Kingdom Protista is probably polyphyletic.Which of the following protist groups is not correctly matched?

How do toxins produced by Microcystis aeruginosa cause damage?

In the life cycle of brown algae,meiosis specifically occurs in which of the following?

In which of the following way(s)does (do)the algae differ from land plants?

The euglenoids are capable of producing an extremely powerful nerve toxin and are responsible for the phenomenon known as the Red Tide.

Plants in Our Lives

The Plant Cell

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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