WorksheetsAquaponics & Aquariums Test
Total questions: 21
Worksheet time: 42mins
Name
Class
Date
1.
The ideal level for salinity for freshwater and saltwater system is _______?
a)
0-0.5 ppt
b)
0.25-0.50 ppt
c)
33 ppt
d)
35 ppt
2.
Aquaponics is the combination of ________ and _________.
a)
plants and water
b)
aquaculture and water
c)
hydroponics and aquaculture
d)
hydroponics and plants
3.
In aquaponics, plants provide nitrogen for the fish.
a)
True
b)
False
4.
The nitrogen cycle has three living organisms:
a)
fish, plants, and people
b)
plants, bacteria, and algae
c)
fish, bugs, and algae
d)
fish, plants, and bacteria
5.
The fish produce waste called _________ which is converted by bacteria into _________ which is then converted into _________ that can be used by the plants.
a)
nitrites, ammonia, nitrates
b)
ammonia, nitrites, nitrates
c)
nitrites, nitrates, ammonia
d)
nitrates, nitrites, ammonia
6.
How do fish help the plants grow?
a)
They eat the bugs that harm the plants.
b)
They eat debris which cleans the water.
c)
They produce waste which acts as nutrients for the water
d)
They urinate in the water producing ammonia for plants.
7.
Aquaponics is...
a)
producing plants without soil
b)
producing plants with soil
c)
producing plants & aquatic animals together.
d)
none of these
8.
What is the respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.
a)
scales
b)
gills
c)
fins
d)
eyes
9.
When fish excrete their waste, what toxic byproduct is produced?
a)
nitrogen
b)
nitrites
c)
ammonia
d)
nitrates
10.
What does toxic mean?
a)
poisonous
b)
murky
c)
dirty
d)
salubrious
11.
After the ammonia is in the tank, which bacteria start to change it to something less toxic?
a)
nitrogen bacteria
b)
nitrosomas bacteria
c)
nitrobactor bacteria
d)
ammonia bacteria
12.
Once the nitrosonomas bacteria decompose the toxic ammonia, the deadly ammonia is changed into the less toxic ___________.
a)
nitrite
b)
nitrate
c)
carbon dioxide
d)
oxygen
13.
Now the less toxic nitrites are changed into something safer by the _____________ bacteria.
a)
nitrosomas
b)
ammonia
c)
nitrobactor
d)
toxic bacteria
14.
Once the nitrobactor bacteria decompose the deadly nitrites, the nitrites are changed to the less toxic __________
a)
ammonia
b)
nitrites
c)
nitrates
d)
H2O
15.
What is one way to lower the amount of nitrates in your tank?
a)
do a partial water change
b)
add more fish
c)
remove fish
d)
lower the water temperature
16.
What is another way to lower the nitrate level in your tank?
a)
add fish
b)
add snails
c)
add plants
d)
remove plants
17.
This bacteria changes nitrites into nitrates
a)
nitrosomona bacteria
b)
nitrobacter bacteria
c)
penicillan
18.
At the very beginning of an aquarium set-up which of these levels will be the highest at least until the nirtosonoma and nitrobactor bacteria begin to do their thing?
a)
ammonia
b)
nitrites
c)
nitrates
d)
salt
19.
This bacteria changes ammonia into nitrites.
a)
nitrosomona bacteria
b)
nitrobacter bacteria
c)
penicillin bacteria
20.
What is the single most important factor for having a successful aquarium?
a)
filtration system
b)
proper amount of surface area
c)
Partial water changes
d)
only have fish that measure under 3 inches
21.
The ideal aquarium has which filtrations attached to it?
a)
biological
b)
mechanical
c)
industrial
d)
chemical
100 %
