Anatomy and Physiology of Fish Quiz
Explore the anatomy and physiology of fish with these quiz questions covering swim bladder, gills, scales, and more! Test your knowledge now.
#1
What is the function of the swim bladder in fish?
Regulating buoyancy
Digesting food
Circulating blood
Producing eggs
#2
Which of the following is NOT a characteristic of cartilaginous fish?
They have skeletons made of bone
They have jaws
They have scales
They have paired fins
#3
What is the primary function of the gills in fish?
To filter small organisms from the water
To regulate body temperature
To exchange oxygen and carbon dioxide
To aid in swimming
#4
Which organ in fish is responsible for excreting nitrogenous wastes?
#5
What is the name of the structure in fish that functions similarly to a mammal's lung?
Gill
Bladder
Operculum
Swim bladder
#6
Which of the following is a function of the lateral line system in fish?
Detecting vibrations and changes in water pressure
Aiding in reproduction
Balancing the fish in water
Regulating body temperature
#7
Which of the following is NOT a type of fish scale?
Placoid
Ctenoid
Serranoid
Cycloid
#8
Which of the following is a unique feature of bony fish?
Presence of a notochord
Lack of fins
Bony skeleton
Ectothermic metabolism
#9
In fish, what is the function of the operculum?
To cover and protect the gills
To assist in reproduction
To sense changes in water temperature
To aid in digestion
#10
In fish, what is the function of the pyloric caeca?
To aid in reproduction
To secrete digestive enzymes
To regulate buoyancy
To detect changes in water pressure
#11
What is the name of the specialized cells in fish skin that can detect electrical impulses?
Melanocytes
Lateral line cells
Sensory cells
Ampullae of Lorenzini
#12
What is the primary function of the spleen in fish?
To store bile
To produce insulin
To filter blood
To regulate water balance
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