Question 1

The counter-current system of flow is involved in:

Accepted Answer

A)  Increasing blood flow into gills.
B)  Decreasing the time it takes for blood to flow through gills.
C)  Increasing the amount of oxygen that diffuses into the blood.
D)  Increasing the efficiency of the movement of gills.
E)  Increasing heart rate.

Question 2

Rays and skates typically feed on:

Accepted Answer

A)  Plankton.
B)  Seaweeds.
C)  Large fishes.
D)  Organic matter that accumulates on the bottom.
E)  Small animals that live on the bottom.

Question 3

Which of these is an example of a jawless fish:

Accepted Answer

A)  Ray.
B)  Shark.
C)  Hagfish.
D)  Whale shark.
E)  Skate.

Question 4

The gill rakers are involved in which of the following?

Accepted Answer

A)  Protecting gills
B)  Filtering food in filter feeding fishes
C)  Extracting extra oxygen from the water
D)  Providing extra buoyancy
E)  Defense

Question 5

Ovoviviparous fishes:

Accepted Answer

A)  Release eggs,which are then fertilized in the water.
B)  Have embryos that take nutrients from the mother's reproductive tract.
C)  Release already fertilized but undeveloped eggs.
D)  Release sperm in packets.
E)  Retain fertilized eggs for development.

Question 6

In many sharks,extra buoyancy is provided by the:

Accepted Answer

A)  Dorsal fin.
B)  Swim bladder.
C)  Liver.
D)  Mouth.
E)  Gills.

Question 7

Broadcast spawning in fish refers to:

Accepted Answer

A)  Internal fertilization.
B)  External fertilization.
C)  Courtship behavior.
D)  The use of claspers.

Question 8

The caudal fin of sharks is located on:

Accepted Answer

A)  At the tail end.
B)  Dorsal surface close to the tail.
C)  Ventral surface close to the tail.
D)  Ventral surface close to the mouth.
E)  Dorsal surface close to the mouth.

Question 9

Chemical digestion in fishes usually begins in the:

Accepted Answer

A)  Mouth.
B)  Esophagus.
C)  Stomach.
D)  Liver.
E)  Intestine.

Question 10

The nictitating membrane of sharks:

Accepted Answer

A)  Produces sound.
B)  Detects chemicals in water.
C)  Detects vibrations in water.
D)  Is involved in digestion.
E)  Moves across the eye.

Question 11

The function of arteries in fishes,as in all vertebrates,is to:

Accepted Answer

A)  Carry oxygenated blood from the heart to the rest of the body.
B)  Circulate blood around the gills.
C)  Bring blood from the body to the heart.
D)  Collect deoxygenated blood from gills.
E)  Carry deoxygenated blood from the heart to the brain.

Question 12

Most marine fishes are:

Accepted Answer

A)  Live-bearers.
B)  Ovoviviparous.
C)  Viviparous.
D)  Oviparous.
E)  Catadromous.

Question 13

Basking sharks feed on:

Accepted Answer

A)  Plankton.
B)  Small fishes.
C)  Large fishes such as sharks.
D)  Marine mammals such as seals.
E)  Dead animals.

Question 14

The purpose of the lateral line in fishes:

Accepted Answer

A)  Producing sound waves.
B)  Seeing particular colors.
C)  Detecting vibrations.
D)  Carrying blood along skin.
E)  Ingestion of food in rays.

Question 15

In fishes,as in all vertebrates,the function of the liver is to:

Accepted Answer

A)  Absorb nutrients.
B)  Produce saliva.
C)  Aid in the digestion of plant material.
D)  Secrete hormones.
E)  Produce bile,which is used in the digestion of fats.

Exam 8: Marine Fishes

The caudal fin of sharks is located on:

Correct Answer
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The function of arteries in fishes,as in all vertebrates,is to:

Correct Answer
verified

In many sharks,extra buoyancy is provided by the:

Correct Answer
verified

Chemical digestion in fishes usually begins in the:

Correct Answer
verified

The gill rakers are involved in which of the following?

Correct Answer
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The purpose of the lateral line in fishes:

Correct Answer
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Ovoviviparous fishes:

Correct Answer
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Which of these is an example of a jawless fish:

Correct Answer
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Basking sharks feed on:

Correct Answer
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Most marine fishes are:

Correct Answer
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The nictitating membrane of sharks:

Correct Answer
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The counter-current system of flow is involved in:

Correct Answer
verified

Broadcast spawning in fish refers to:

Correct Answer
verified

Rays and skates typically feed on:

Correct Answer
verified

In fishes,as in all vertebrates,the function of the liver is to:

Correct Answer
verified

Exam 8: Marine Fishes

The caudal fin of sharks is located on:

Correct AnswerverifiedShow Answer

The function of arteries in fishes,as in all vertebrates,is to:

Correct AnswerverifiedShow Answer

In many sharks,extra buoyancy is provided by the:

Correct AnswerverifiedShow Answer

Chemical digestion in fishes usually begins in the:

Correct AnswerverifiedShow Answer

The gill rakers are involved in which of the following?

Correct AnswerverifiedShow Answer

The purpose of the lateral line in fishes:

Correct AnswerverifiedShow Answer

Ovoviviparous fishes:

Correct AnswerverifiedShow Answer

Which of these is an example of a jawless fish:

Correct AnswerverifiedShow Answer

Basking sharks feed on:

Correct AnswerverifiedShow Answer

Most marine fishes are:

Correct AnswerverifiedShow Answer

The nictitating membrane of sharks:

Correct AnswerverifiedShow Answer

The counter-current system of flow is involved in:

Correct AnswerverifiedShow Answer

Broadcast spawning in fish refers to:

Correct AnswerverifiedShow Answer

Rays and skates typically feed on:

Correct AnswerverifiedShow Answer

In fishes,as in all vertebrates,the function of the liver is to:

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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