Aquaponics is the combination of ________ and _________.

• plants and water
• aquaculture and water
• hydroponics and aquaculture
• hydroponics and plants

The ideal level for nitrites in an aquaponics system is _______?

• 0-0.25 ppm
• 0.25-0.50 ppm
• 0.50-1.0 ppm
• 1.0-2.0 ppm

Grow medium is used in hydroponics and aquaponics in place of soil.

• True
• False

Aquaculture is defined as growing plants without soil.

• True
• False

How does aquaponics help the environment?

• Less water is needed.
• Food can be grown locally and not shipped in from far away.
• Chemical fertilizers do not need to be sprayed on plants for nutrients.
• All of the above!

In aquaponics, plants provide nitrogen for the fish.

• True
• False

The nitrogen cycle has three living organisms: 

• fish, plants, and people
• plants, bacteria, and algae
• fish, bugs, and algae
• fish, plants, and bacteria

Plants show visible signs of nutrient deficiencies on their leaves.

• True
• False

Aquaponics is important to the future of food production because it allows a grower to produce a large quantity of food in a small space using minimal resources.

• True
• False

Which of these types of fish is NOT good for aquaponics?

• tilapia
• bluegill
• koi
• clownfish