Understanding the Nitrogen Cycle in Aquariums

What is the first stage of the Nitrogen Cycle?

• A) Ammonia is excreted

• B) Nitrosomas Bacteria convert Ammonia to Nitrite

• C) Nitrobactor Bacteria convert Nitrite to Nitrate

• D) Plants use Nitrates as fertilizer.

What is introduced in fish food in the Nitrogen Cycle?

• Nitrite

• Nitrate

• Nitrogen

• Ammonia

Which bacteria convert Nitrite to Nitrate?

• Nitrosomas

• Nitrobactor

• Ammonia

• Nitrate

What happens to nitrates in nature?

• They convert into ammonia

• They convert into nitrites

• They convert into harmless nitrogen gas

• They remain unchanged.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

The aquarium cycle is more commonly known as the ________ process.

• Photosynthesis

• Nitrification

• Respiration

• Fermentation

What is the role of beneficial bacteria in an aquarium?

• To clean the tank

• To feed the fish

• To provide a balanced environment

• To increase water flow

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Nitrates are not harmful to fish unless they are in ______ quantities for prolonged periods.

• Small

• Moderate

• Enormous

• Negligible

Tags

NGSS.MS-LS1-5

Nitrates can be beneficial if you have ______ in your aquarium.

• Rocks

• Live plants

• Sand

• Plastic decorations

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

To have oxygen in your water, the water needs to be ______.

• Stagnant

• Flowing

• Heated

• Cooled

What happens when water is exposed to air in an aquarium?

• It evaporates

• An exchange of molecules occurs

• It becomes dirty

• It cools down.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4