Question 1

Red tides are caused mostly by:

Accepted Answer

A) Diatoms. 
B) Foraminiferans. 
C) Dinoflagellates. 
D) Red seaweeds. 
E) Radiolarians. 
A) Diatoms. 
B) Foraminiferans. 
C) Dinoflagellates. 
D) Red seaweeds. 
E) Radiolarians. C

Question 2

Marine fungi:

Accepted Answer

A) Are mostly photosynthetic. 
B) Are parts of lichens that live on rocky shores. 
C) Secrete calcareous skeletons. 
D) Produce red tides. 
E) None of the choices are correct: there are no marine fungi. 
A) Are mostly photosynthetic. 
B) Are parts of lichens that live on rocky shores. 
C) Secrete calcareous skeletons. 
D) Produce red tides. 
E) None of the choices are correct: there are no marine fungi. B

Question 3

Which of the following are not protozoans?

Accepted Answer

A) Radiolarians 
B) Foraminiferans 
C) Dinoflagellates 
D) Ciliates 
E) Unicellular,planktonic organisms whose sediments form huge limestone deposits on land 
A) Radiolarians 
B) Foraminiferans 
C) Dinoflagellates 
D) Ciliates 
E) Unicellular,planktonic organisms whose sediments form huge limestone deposits on land C

Question 4

Radiolarians are characterized by:

Accepted Answer

A) Being mostly planktonic. 
B) Having a calcareous skeleton. 
C) Being autotrophs. 
D) Having two flagella. 
E) Causing red tides. 
A) Being mostly planktonic. 
B) Having a calcareous skeleton. 
C) Being autotrophs. 
D) Having two flagella. 
E) Causing red tides.

Question 5

Bacteriophages are types of:

Accepted Answer

A) Archea. 
B) Bacteria. 
C) Protozoa. 
D) Algae. 
E) Viruses. 
A) Archea. 
B) Bacteria. 
C) Protozoa. 
D) Algae. 
E) Viruses.

Question 6

Archaea are classified as being:

Accepted Answer

A) Prokaryotic. 
B) Autotrophs only. 
C) Heterotrophs only. 
D) Consisting of nucleic acids and a protein coat. 
E) Eukaryotic. 
A) Prokaryotic. 
B) Autotrophs only. 
C) Heterotrophs only. 
D) Consisting of nucleic acids and a protein coat. 
E) Eukaryotic.

Question 7

Generally the dominant group of planktonic primary producers in cold water:

Accepted Answer

A) Foraminiferans. 
B) Silicoflagellates. 
C) Dinoflagellates. 
D) Photosynthetic bacteria. 
E) Diatoms. 
A) Foraminiferans. 
B) Silicoflagellates. 
C) Dinoflagellates. 
D) Photosynthetic bacteria. 
E) Diatoms.

Question 8

One of the following statements about marine viruses is not true:

Accepted Answer

A) Are involved in the release of DOM (dissolved organic matter)into the water. 
B) Bridge the gap between the non-living and the living. 
C) Their genetic material is in the form of DNA or RNA. 
D) Cause diseases in many types of organisms. 
E) Consist of minute cells sometimes attached into chains. 
A) Are involved in the release of DOM (dissolved organic matter)into the water. 
B) Bridge the gap between the non-living and the living. 
C) Their genetic material is in the form of DNA or RNA. 
D) Cause diseases in many types of organisms. 
E) Consist of minute cells sometimes attached into chains.

Question 9

A survival advantage of __________________ is the ability to withstand exposure to air for long periods of time during tidal cycles.

Accepted Answer

A) Diatoms 
B) Dinoflagellates 
C) Radiolarians 
D) Foraminiferans 
E) Lichens 
A) Diatoms 
B) Dinoflagellates 
C) Radiolarians 
D) Foraminiferans 
E) Lichens

Question 10

What feature do all protozoa share?

Accepted Answer

A) Reproductive strategies 
B) Habitats 
C) Feeding strategy 
D) Structure 
E) Being unicellular 
A) Reproductive strategies 
B) Habitats 
C) Feeding strategy 
D) Structure 
E) Being unicellular

Question 11

Prokaryotes differ from eukaryotes in regards to:

Accepted Answer

A) Shape of DNA molecules. 
B) Size of ribosomes. 
C) Presence of nucleus. 
D) All answers are correct. 
E) Shape of DNA molecules and Size of ribosomes only. 
A) Shape of DNA molecules. 
B) Size of ribosomes. 
C) Presence of nucleus. 
D) All answers are correct. 
E) Shape of DNA molecules and Size of ribosomes only.

Question 12

What is the purpose of the spines seen on the frustules of diatoms?

Accepted Answer

A) Floatation 
B) Hunting 
C) Photosynthesis 
D) Reproduction 
E) Restore normal size 
A) Floatation 
B) Hunting 
C) Photosynthesis 
D) Reproduction 
E) Restore normal size

Question 13

Some planktoic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?

Accepted Answer

A) Oxygen 
B) Helium 
C) Hydrogen 
D) Nitrogen 
A) Oxygen 
B) Helium 
C) Hydrogen 
D) Nitrogen

Question 14

Which of the following can be dangerous to human health?

Accepted Answer

A) Diatoms 
B) Dinoflagellates 
C) Radiolarians 
D) All answers are correct 
E) Diatoms and Dinoflagellates only 
A) Diatoms 
B) Dinoflagellates 
C) Radiolarians 
D) All answers are correct 
E) Diatoms and Dinoflagellates only

Question 15

Bacteria that make their own organic compounds by obtaining energy from chemical compounds and not directly from light are known as:

Accepted Answer

A) Heterotrophic. 
B) Decay. 
C) Photosynthetic. 
D) Protists. 
E) Chemosynthetic. 
A) Heterotrophic. 
B) Decay. 
C) Photosynthetic. 
D) Protists. 
E) Chemosynthetic.

Question 16

Organisms having a shell made of silica (SiO2):

Accepted Answer

A) Foraminiferans. 
B) Stromatolites. 
C) Cyanobacteria. 
D) Diatoms. 
E) Ciliates. 
A) Foraminiferans. 
B) Stromatolites. 
C) Cyanobacteria. 
D) Diatoms. 
E) Ciliates.

Question 17

Which of the following would be classified as autotrophic?

Accepted Answer

A) Cyanobacteria. 
B) Lysogenic viruses. 
C) Bacteriophages. 
D) All answers are correct. 
E) Lysogenic viruses and Bacteriophages only. 
A) Cyanobacteria. 
B) Lysogenic viruses. 
C) Bacteriophages. 
D) All answers are correct. 
E) Lysogenic viruses and Bacteriophages only.

Question 18

Zooxanthellae,which live symbiotically with many species,are classified as:

Accepted Answer

A) Diatoms. 
B) Dinoflagellates. 
C) Radiolarians. 
D) Foraminiferans. 
E) Lichens 
A) Diatoms. 
B) Dinoflagellates. 
C) Radiolarians. 
D) Foraminiferans. 
E) Lichens

Question 19

Archaea are now being detected in many environments by identifying one of the following chemicals characteristic of the group:

Accepted Answer

A) Pigments. 
B) Chlorophyll. 
C) Nucleic acids. 
D) Proteins. 
E) Carbohydrates. 
A) Pigments. 
B) Chlorophyll. 
C) Nucleic acids. 
D) Proteins. 
E) Carbohydrates.

Question 20

Dinoflagellates that live in association with reef-building corals and other animals are known as:

Accepted Answer

A) Zooxanthellae. 
B) Zooplankton. 
C) Silicoflagellates. 
D) Bioluminescent dinoflagellates. 
E) Cryptomonads. 
A) Zooxanthellae. 
B) Zooplankton. 
C) Silicoflagellates. 
D) Bioluminescent dinoflagellates. 
E) Cryptomonads.

Red tides are caused mostly by:

Marine fungi:

Which of the following are not protozoans?

Radiolarians are characterized by:

Bacteriophages are types of:

Archaea are classified as being:

Generally the dominant group of planktonic primary producers in cold water:

One of the following statements about marine viruses is not true:

A survival advantage of __________________ is the ability to withstand exposure to air for long periods of time during tidal cycles.

What feature do all protozoa share?

Prokaryotes differ from eukaryotes in regards to:

What is the purpose of the spines seen on the frustules of diatoms?

Some planktoic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?

Which of the following can be dangerous to human health?

Bacteria that make their own organic compounds by obtaining energy from chemical compounds and not directly from light are known as:

Organisms having a shell made of silica (SiO₂):

Which of the following would be classified as autotrophic?

Zooxanthellae,which live symbiotically with many species,are classified as:

Archaea are now being detected in many environments by identifying one of the following chemicals characteristic of the group:

Dinoflagellates that live in association with reef-building corals and other animals are known as:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Exam 5: The Microbial World

Red tides are caused mostly by:

Marine fungi:

Which of the following are not protozoans?

Radiolarians are characterized by:

Bacteriophages are types of:

Archaea are classified as being:

Generally the dominant group of planktonic primary producers in cold water:

One of the following statements about marine viruses is not true:

A survival advantage of __________________ is the ability to withstand exposure to air for long periods of time during tidal cycles.

What feature do all protozoa share?

Prokaryotes differ from eukaryotes in regards to:

What is the purpose of the spines seen on the frustules of diatoms?

Some planktoic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?

Which of the following can be dangerous to human health?

Bacteria that make their own organic compounds by obtaining energy from chemical compounds and not directly from light are known as:

Organisms having a shell made of silica (SiO2):

Which of the following would be classified as autotrophic?

Zooxanthellae,which live symbiotically with many species,are classified as:

Archaea are now being detected in many environments by identifying one of the following chemicals characteristic of the group:

Dinoflagellates that live in association with reef-building corals and other animals are known as:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Organisms having a shell made of silica (SiO₂):