Final Hydroponics Test

Which of the following is an advantage to growing plants hydroponically?

• Controls nutrient needs for the growing crop

• Eliminates the need for manual pollination of the plants

• No limit to the different types of plants grown in hydroponic systems

• Providing better physical support of the plants

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6-8.RST.1.1.

MS.LS.2.1

_____ is a hydroponic system that involves the use of substrate materials for the growing medium using to anchor the plant.

Answer explanation

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6-8.RST.1.1.

MS.LS.2.1

One of the most commonly used substrates is _____, which is a fibrous material spun from molten rock.

• Mineral wool
• Oasis

• Perlite

• Vermiculite

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6-8.RST.1.1.

MS.LS.2.1

Most hydroponic systems require recirculation of water or nutrient solution within the system. Aside from providing a reservoir for the water solution, the main purpose of recirculating the water is to:

• Buffer the pH of the water or nutrient solution

• Enhance nutrient availability

• Provide for aeration of the water or nutrient solution

• Regulate the tensile strength of the plant stems

Tags

MS.LS.2.1

6-8.RST.1.1.

_____ is a water culture system whereby plant roots are suspended in the air within a closed container using a misting of nutrient solution.

• Aeroponics

• Aquaponics

• Ebb and flow system

• Floating raft system

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6-8.RST.1.1.

MS.LS.2.1

In a hydroponic system in which the nutrients for the plant come from fish waste, the primary nutrient supplied is:

• Calcium

• Iron

• Nitrogen

• Phosphorus

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MS.LS.2.1

6-8.RST.1.1.

Which of the following hydroponic systems using a thin layer of nutrient solution is designed for delicately rooted plants, like herbs and lettuce?

• Aeroponics

• Circulating system

• Ebb and flow system

• Nutrient film technique

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6-8.RST.1.1.

MS.LS.2.1

Which of the following hydroponic systems would you find the plants grown in a tray with a reservoir of nutrient solution being pumped up to the plants?

• Aeroponics

• Circulating system

• Ebb and flow system

• Nutrient film technique

Tags

6-8.RST.1.1.

MS.LS.2.1

Which of the following statements is most accurate regarding growing plants hydroponically?

• Even though the plants are grown without soil, hydroponically grown plants must be contained in some type of substrate.

• The initial cost investment in hydroponic systems is typically low.

• The main advantage of vertical farming is increased crop yield in small spaces.

• Woody plants, such as a landscape shrub, can easily be grown hydroponically.

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6-8.RST.1.1.

MS.LS.2.1

The _____ hydroponic system consists of a basin containing a nutrient solution which can be pumped up to cups filled with aggregate suspended in the nutrient solution

• Aggregate Culture

• Aquaponics

• Nutrient film technique

• Floating raft system

Tags

6-8.RST.1.1.

MS.LS.2.1