Hydroponics and Aquaponics Quiz

Do plants grown in hydroponics need soil?

• Yes

• No

• Not sure

Name a mineral essential to plants.

• nitrogen

• carbon monoxide

• iron

What farming technique uses fish?

• hydroponics

• traditional farming

• aquaponics

Which environmental factors that can be controlled in hydroponics.

• climate

• nutrient

• all of the above

What does toxic mean?

• good to breathe

• poisonous

• none of the above

Where are the fish kept?

• on plates

• in bath tubs

• in the tank

Where is hydroponics a useful farming technique?

• in areas where there is little or no soil or water

• in areas where there is a lot of soil

• in areas where there is a lot of water

What is special about the water used in hydroponics?

• it is nutrient-rich

• minerals are dissolved in it

• all of the above

What happens to water in traditional farming?

• it drains away

• it is recycled

• none of the above

Is hydroponics economical?

• Yes

• No

• Sometimes