Question 1

In Fucus,the swollen areas at the ends of the blade are reproductive regions known as ________.

Accepted Answer

The answer of In Fucus,the swollen areas at the ends...

Question 2

________ ________ can be used as soil additive since it can act like a field of broken glass to discourage some microscopic garden pests.

Accepted Answer

The answer of ________ ________ can be used as soil...

Question 3

Algal blooms may affect which of the following?

Accepted Answer

A) Drinking water 
B) Fish consumption 
C) "shellfish" consumption 
D) Aquatic bird reproduction 
E) All of the above can be affected by algal blooms. 
A) Drinking water 
B) Fish consumption 
C) "shellfish" consumption 
D) Aquatic bird reproduction 
E) All of the above can be affected by algal blooms.

Question 4

The most common thallus types include which of the following?

Accepted Answer

A) Nonmotile,amoeboid,or flagellated 
B) Colonies that may be nonmotile or flagellated 
C) Chains or filaments that may be branched or unbranched 
D) Parenchymatous thalli that produce a three-dimensional structure in the form of blades,sheets,or tubes 
E) All of the above are varieties of thalli that appear in the algae. 
A) Nonmotile,amoeboid,or flagellated 
B) Colonies that may be nonmotile or flagellated 
C) Chains or filaments that may be branched or unbranched 
D) Parenchymatous thalli that produce a three-dimensional structure in the form of blades,sheets,or tubes 
E) All of the above are varieties of thalli that appear in the algae.

Question 5

Which of the following is not correct?

Accepted Answer

A) It has been difficult to secure adequate amounts of active algal compounds for screening and testing. 
B) Amphidinium produces a class of molecules known as amphidinolides. 
C) Some compounds from various types of algae show a range of activity against herpes and HIV viruses. 
D) Fucoidan is being used to treat chemical addiction in humans. 
E) Microcystins may cause liver failure. 
A) It has been difficult to secure adequate amounts of active algal compounds for screening and testing. 
B) Amphidinium produces a class of molecules known as amphidinolides. 
C) Some compounds from various types of algae show a range of activity against herpes and HIV viruses. 
D) Fucoidan is being used to treat chemical addiction in humans. 
E) Microcystins may cause liver failure.

Question 6

Which of the following is a neurotoxin produced by members of the Cyanobacteria?

Accepted Answer

A) hepatotoxin 
B) ciguatoxin 
C) mycotoxin 
D) anatoxin-a 
E) digitalin 
A) hepatotoxin 
B) ciguatoxin 
C) mycotoxin 
D) anatoxin-a 
E) digitalin

Question 7

Spirulina,now a dietary protein supplement,was first grown in shallow ponds by the Aztecs.

Accepted Answer

A) True 
 B)False

Question 8

Reproduction is diverse among the various groups of algae;however,there is true retention of the embryo in any group.

Accepted Answer

A) True 
 B)False

Question 9

The red color of red algae is due to which of the following?

Accepted Answer

A) phycoerythrin 
B) chlorophyll c 
C) fucoxanthin 
D) carotene 
E) xanthophyll 
A) phycoerythrin 
B) chlorophyll c 
C) fucoxanthin 
D) carotene 
E) xanthophyll

Question 10

In the life cycle of a green alga,syngamy occurs between which of the following?

Accepted Answer

A) zoospores 
B) sporangia 
C) gametes 
D) zygotes 
E) gametophytes 
A) zoospores 
B) sporangia 
C) gametes 
D) zygotes 
E) gametophytes

Question 11

Brevetoxins cause ________ in humans.

Accepted Answer

A) diarrhea 
B) paralysis 
C) nerve damage 
D) respiratory illness 
E) all of these ailments 
A) diarrhea 
B) paralysis 
C) nerve damage 
D) respiratory illness 
E) all of these ailments

Question 12

Which of the following matches is not correct?

Accepted Answer

A) Kombu :: Laminaria japonica 
B) Dulse :: Rhodymenia and Palmaria 
C) Nori :: fertilizer 
D) Hydrocolloids :: agar and carrageenan 
E) None of the above are incorrect. 
A) Kombu :: Laminaria japonica 
B) Dulse :: Rhodymenia and Palmaria 
C) Nori :: fertilizer 
D) Hydrocolloids :: agar and carrageenan 
E) None of the above are incorrect.

Question 13

The thallus or body of an alga can vary considerably from one-celled to many celled.

Accepted Answer

A) True 
 B)False

Question 14

Which group of algae can be differentiated into a holdfast,stipe,and blade?

Accepted Answer

A) cyanobacteria 
B) brown algae 
C) dinoflagellates 
D) green algae 
E) red algae 
A) cyanobacteria 
B) brown algae 
C) dinoflagellates 
D) green algae 
E) red algae

Question 15

One of the most toxic cyanobacteria is which of the following?

Accepted Answer

A) Nostoc 
B) Azolla 
C) Anabaena 
D) Oscillatoria 
E) Gleobacter 
A) Nostoc 
B) Azolla 
C) Anabaena 
D) Oscillatoria 
E) Gleobacter

Question 16

________ have virtually indestructible shells of glass which have been used industrially for their polishing,filtering,and reflective properties.

Accepted Answer

The answer of ________ have virtually indestructible shells of glass...

Question 17

Many cyanobacteria are enclosed in a ________ sheath.

Accepted Answer

A) mucilaginous 
B) filamentous 
C) cartilaginous 
D) chitinized 
E) keratinized 
A) mucilaginous 
B) filamentous 
C) cartilaginous 
D) chitinized 
E) keratinized

Question 18

Ulva is both ________ and ________.

Accepted Answer

A) isogamous;heteromorphic 
B) anisogamous;heteromorphic 
C) anisogamous;isomorphic 
D) isogamous;isomorphic 
E) oogamous;isomorphic 
A) isogamous;heteromorphic 
B) anisogamous;heteromorphic 
C) anisogamous;isomorphic 
D) isogamous;isomorphic 
E) oogamous;isomorphic

Exam 22: The Algae

In Fucus,the swollen areas at the ends of the blade are reproductive regions known as ________.

________ ________ can be used as soil additive since it can act like a field of broken glass to discourage some microscopic garden pests.

Algal blooms may affect which of the following?

The most common thallus types include which of the following?

Which of the following is not correct?

Which of the following is a neurotoxin produced by members of the Cyanobacteria?

Spirulina,now a dietary protein supplement,was first grown in shallow ponds by the Aztecs.

Reproduction is diverse among the various groups of algae;however,there is true retention of the embryo in any group.

The red color of red algae is due to which of the following?

In the life cycle of a green alga,syngamy occurs between which of the following?

Brevetoxins cause ________ in humans.

Which of the following matches is not correct?

The thallus or body of an alga can vary considerably from one-celled to many celled.

Which group of algae can be differentiated into a holdfast,stipe,and blade?

One of the most toxic cyanobacteria is which of the following?

________ have virtually indestructible shells of glass which have been used industrially for their polishing,filtering,and reflective properties.

Many cyanobacteria are enclosed in a ________ sheath.

Ulva is both ________ and ________.

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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can be used as soil additive since it can act like a field of broken glass to discourage some microscopic garden pests.

Ulva is both and .