True/False
Indicate whether the
statement is true or false. Indicate your answer by placing a ‘T’ or ‘F’ on
the line provided.
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1.
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Optimal placement for a heater is far from filter.
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2.
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Oxygen and carbon dioxide are exchanged at the gill filaments when fish
breathe?
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3.
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Taxonomy is the study of fish diet.
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4.
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Common earthworms are a good food for tropical fish, if they haven’t been
exposed to pesticides or weed killers.
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5.
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Blue-Green Algae may produce toxins that poison fish.
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6.
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Canned Tuna is an excellent dietary supplement for tropical
fish.
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7.
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Rasbora heteromorpha are best kept singly or in pairs, since they are aggressive
to other fish.
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8.
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The neon tetra can tolerate a wide range of temperatures.
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9.
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Parasites, bacteria, and viruses are present in all aquariums.
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10.
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The disease “Velvet” is caused by a virus.
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Multiple Choice
Identify the choice that
best completes the statement or answers the question.
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11.
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Class Osteichthlyes consists of two subclasses what are they?
a. | Sarcopterygii and Chondrichthyes | c. | Ostracoderms and
Placoderms | b. | Actinopterygii and Sarcopterygii | d. | Fish and Jawless
Fish |
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12.
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Which statement is true of fish?
a. | Their are more fish species on the earth than any other animal | b. | Fish are the only
cold blooded vertebrates | c. | Fish are the most numerous
vertebrates | d. | The first fish evolved 100 million years ago |
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13.
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The four types of scales of modern fish are?
a. | smooth, slimy, reflective, and rough | b. | cycloid, placoid, rhomboid, and
thromboid | c. | head, thorax, abdomen, and fin | d. | ctenoid, cycloid, gamoid, and
placoid |
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14.
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The tail fin is most commonly referred to as
a. | Anal fin | c. | Pectoral fin | b. | Adipose fin | d. | Caudal fin |
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15.
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Freshwater fish have no need to drink because
a. | Their kidneys pull water through the epidermis. | b. | Their body salts are
in higher concentration than the salt in the water. | c. | They get water when they
breath. | d. | They are completely submersed in water. |
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16.
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What is the function of the labyrinthine chamber in Anabantoid Fish?
a. | It allows for absorption of atmospheric oxygen when they inhale air at the
surface | b. | It enables fish to maintain a particular depth. | c. | It allows Parrot
fish to sleep without being smelled by predators. | d. | Equalizes osmotic changes in the
fish. |
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17.
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A fish heart consists of how many chambers?
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18.
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What are the pressure-sensitive cells contained in tubes along lateral line
called?
a. | Nematocysts | c. | Neuromasts | b. | Neurocyts | d. | Labyrinthine
chambers |
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19.
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What is the proper classification of fish?
a. | Kingdom-Animalia, Phylum-Mollusca, Superclass-Pisces. | b. | Kingdom-Animalia,
Phylum-Chordata, Superclass-Agnatha. | c. | Kingdom-Animalia, Phylum-Vertebrata,
Superclass-Pisces. | d. | Kingdom-Animalia, Phylum-Chordata,
Superclass-Pisces. |
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20.
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What family do Tetras belong to?
a. | Scatophgidae | b. | Toxotidae | c. | Anablepidae | d. | Characidae |
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21.
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Members of the Family Cyprinidae are commonly referred to as
a. | Butterfly fish and Angel fish | c. | Barbs | b. | Catfish | d. | Carp and Minnows |
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22.
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Which of the following fish are members of the family Syngnthidae?
a. | Clown fish | c. | Sea horses | b. | Lion fish | d. | Wrasses |
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23.
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To determine the number of fish that can be put in a tank one should
a. | Add one inch of fish per gallon | b. | Add one inch of fish per 10 square inches of
surface area | c. | Add one gram of fish per 10 square inches of surface area | d. | Add one inch of fish
for every 2 gallons of water. |
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24.
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What are the three types of filtration?
a. | mechanical, chemical, biological | b. | wet dry, under gravel, and fluidized bed
filter. | c. | There are only two mechanical and biological | d. | None of these are
correct |
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25.
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The bacterial process that converts Ammonia into Nitrates is called
a. | Denitrification | c. | Nitrification | b. | Decomposition | d. | Nitrobacteria |
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26.
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The bacteria involved in the Nitrification process are
a. | Nitrobacteria | b. | Nitrosomonas | c. | Mycobacterium | d. | Both Nitrobacteria and
Nitrosomonas |
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27.
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The rule of thumb to find the appropriate size heater for your tank is
a. | One Watt of power per gallon of water | b. | Five Watts of power
per gallon | c. | 10 Watts of power for every one and a half gallons of water | d. | 15 Watts of power
for every 30 gallons of water |
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28.
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A Hydrometer measures what in a marine aquarium?
a. | Temperature of the water | b. | Density of the amount of salt in the
water | c. | Conductivity of the free floating ions in there water | d. | Water
Hardness |
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29.
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Plants use light energy to convert carbon dioxide into oxygen what is this
process called?
a. | Mineralization | c. | Nitrification | b. | Oxidation Reduction | d. | Photosynthesis |
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30.
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Which of these animals does NOT feed on plankton?
a. | Brittle Star | b. | Tubeworms | c. | Bivalves
(clams) | d. | Some species of Sea Cucumbers (Sea Apple) |
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31.
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Which fish disease is cause by bacteria?
a. | White spot or “Ich” | c. | Tuberculosis | b. | Velvet Disease
| d. | Flukes |
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32.
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What is one way to help keep egg-laying parent fish from eating their
eggs?
a. | Place one or two layers of glass marbles on the floor of the
aquarium | b. | Raise the tank temperature to get the eggs to hatch faster | c. | Place a rubber shark
on the bottom of the tank to scare the parents | d. | Raise the pH to decrease the parents
appetite |
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33.
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Which of the following are Nest-Building fish?
a. | Beta or Siamese fighting fish | b. | Guppies | c. | Gouramis | d. | Both Beta or Siamese fighting fish AND
Gouramis |
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34.
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Sea horses and pipefish:
a. | are easy to keep | b. | are very aggressive | c. | are great for a
community tank | d. | are difficult to feed and not recommended for community
tank |
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35.
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What size heater does a 30-gallon tank require for tropical fish?
a. | 50 watt | c. | 100 watt | e. | 200 watt | b. | 75
watt | d. | 150
watt |
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36.
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The salinity range of tropical marine aquarium is best maintained at?
a. | 1.020-1.025 | c. | 1.023-1.024 | b. | 1.021-1.024 | d. | 1.018-1.026 |
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37.
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What part of your aquarium setup can be especially dangerous to you if
mishandled?
a. | Undergravel filter | d. | Driftwood | b. | Thermometer | e. | Gravel | c. | Heater |
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38.
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How many kinds of swim bladders are there?
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39.
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The nares helps the fish
a. | see | d. | taste | b. | hear | e. | detect differences in depth
| c. | smell |
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40.
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The fish is a
a. | Eftiform | c. | Hirsinate | e. | Echinoderm | b. | Chordate | d. | Gallimaufry |
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41.
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An aquarium should get____ hours of light per day?
a. | 3-6 | b. | 6-8 | c. | 8-10 | d. | 10-15 | e. | 15-24 |
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42.
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A normal weekly water change involves replacing what percentage of water in a
tank?
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43.
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In “New Tank Syndrome”
a. | ammonia, nitrite, and nitrate levels all climb rapidly | b. | ammonia and levels
remain steady, while nitrate level builds rapidly | c. | ammonia and nitrite levels climb rapidly, while
nitrate remains low |
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44.
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If your tank does not have an undergravel filter, how many days you should wait
before introducing fish?
a. | 3-5 | b. | 5-10 | c. | 10-14 | d. | 20-30 | e. | 30-60 |
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45.
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Which of the following is not a live food for aquarium fish:
a. | Bloodworms | c. | Daphnia | e. | Atremia | b. | Drosophilia | d. | Hyraxes |
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46.
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To tell the difference between a carp and a goldfish, you look at the:
a. | Dorsal fin | b. | Tail | c. | Operculum | d. | Scales |
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47.
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The caudal peduncle is attached to the
a. | dorsal fin | b. | tail fin | c. | pectoral
fin |
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48.
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Killifish are not native to:
a. | Africa | c. | Australia | e. | South America | b. | Asia | d. | North
America |
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49.
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When your marine tank loses water due to evaporation you need to add:
a. | aged fresh water | d. | all of these are correct | b. | newly mixed salt
water | e. | none of these are
correct | c. | 1/2 strength sea water |
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50.
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Clownfish are very popular. When kept with anemones, they are:
a. | recommended for beginners | b. | not recommended for
beginners | c. | best kept without other fish |
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51.
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One of the following species is a god community fish for a 29-gallon
aquarium:
a. | Barbus schwanefeldi | d. | Epalzeorhynchus bicolor | b. | Barbus
conchonius | e. | Astronotus
ocellatus | c. | Gyrinocheilus aymonieri |
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52.
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When you first set up a new marine tank, you can add fish after:
a. | 1 week | d. | 7 weeks | b. | 3 weeks | e. | there is a vigorous growth of red
algae | c. | 5 weeks |
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53.
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Livebearing fish
a. | Live in both fresh and saltwater | d. | Are all closely related to
killifish | b. | Live only in fresh water | e. | Do not grow over 2” in length | c. | Live only in salt
water |
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54.
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When you buy new fish for your tank, you should
a. | place them in the tank as quickly as possible, right out of the
bag | b. | allow the bag to float in the aquarium for a few minutes before releasing the
fish | c. | let the bag sit outside the aquarium for an hour before adding the fish to the
tank |
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55.
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Swimming upside down, turning somersaults
a. | Fish Pox | d. | none of these are correct | b. | Velvet | e. | swim
bladder disease | c. | Ich |
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56.
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A fish that is viviparous is:
a. | a livebearer | d. | native to bogs | b. | a predator | e. | specialized snail eater | c. | diseased |
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57.
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Roe is:
a. | a disease of the circulatory system | d. | a parasitic
disease | b. | fish eggs | e. | a
predatory tetra | c. | a schooling Anabantoid |
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58.
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A gravid fish is:
a. | overweight | c. | injured | e. | angry | b. | swimming erratically
| d. | pregnant |
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59.
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Butterfly Fish are a popular aquarium fish, known for:
a. | bright colors and flattened bodies | c. | feeding on algae, sponges, and
corals | b. | being scavengers | d. | all of these are correct |
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60.
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Invertebrates in a marine tank
a. | should never be treated with copper | b. | can absorb copper safely | c. | can be treated with
light dosages of copper |
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61.
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The males of this species tend to fight with each other:
a. | Poecilia reticulata | d. | Xiphophourus maculates | b. | Poecilia sphenops
| e. | Xiphophourus
helleri | c. | Bracjudamop rerio |
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62.
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Cardinal fish are known to:
a. | have a large head | c. | can be trained to eat in the daytime | b. | be nocturnal feeders
| d. | all of these are
correct |
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63.
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Protein skimmers in the marine aquarium are
a. | only necessary in old tanks | d. | recommended for all tanks
| b. | only used in reef tanks | e. | bad for invertebrate tanks | c. | only used in fish-only
tanks |
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64.
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It is best to seed a new tank:
a. | with a quantity of fresh live rock | b. | a small quantity of gravel from a
well-established tank. | c. | commercial bacteria
cultures | d. | a piece of old live rock | e. | a small quantity of gravel from a
well-established tank OR commercial bacteria cultures |
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65.
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The pH of a marine aquarium can safely fluctuate between the ranges of:
a. | 6.5 - 7.5 | c. | 8.1 - 8.3 | e. | 9.5 - 12.5 | b. | 7.0 -
9.0 | d. | 8.5 -
9.5 |
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66.
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Melanopheres, Xanthophores, and Irodophores are what?
a. | Families of fish | b. | Specialized cells | c. | Pigment
structures | d. | Climate zones | e. | Specialized cells OR Pigment
structures |
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67.
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The lagena is part of the fish’s
a. | eye | c. | mouth | e. | lateral line | b. | ear | d. | gill |
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68.
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To quickly bring up the pH in a marine aquarium before fish lives are
compromised, you can use the following method(s):
a. | increase aeration | b. | add 10% fresh water | c. | add vinegar or peat
moss to filter | d. | do a partial water change | e. | increase aeration OR do a partial water
change |
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69.
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Which type of thermometer is better?
a. | Internal | c. | Lambert | e. | Thigmothermic | b. | External | d. | Solar |
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70.
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Plants in marine aquariums are
a. | widely grown | d. | almost always an algae | b. | adapted to low light
levels | e. | eaten by
anemones | c. | essential to waste management |
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71.
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Bubble nests are usually built by
a. | Livebearers | c. | Cichlids | e. | Barbs | b. | Gouramis
| d. | Tetras |
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72.
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The end of the breakdown of fish waste leaves this byproduct
a. | Ammonia NH3 | c. | Nitrate NO3 | b. | Nitrate
NO2 | d. | Nitrosomonas |
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73.
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Tubifex
a. | is a noxious parasite | b. | is easy to culture | c. | can introduce
disease into your aquarium | d. | is a plant that requires bright
light |
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74.
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Living rock and the beginner salt water aquarist is a combination that is
a. | Highly recommended | b. | Not recommended |
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75.
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The Cyprinidae family includes the:
a. | angelfish | c. | goldfish | e. | swordtail | b. | beta | d. | neon
tetra |
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