Hydroponics

Front

Which of the following is not utilized by hydroponics? Soil, water, Sunlight, Nutrients

Back

Soil

Front

Which of the following is not a macro-nutrient? Nitrogen, Potassium, Sulfur

Back

Boron

Front

Which of the following is provided to hydroponic plants by artificial growth mediums? Nutrients and water, Nutrients and stability, Support and water, Support and stability

Back

Support and stability

Front

Which of the following is a specialty plant suitable for hydroponic productions: Tree, Shrubs, Fruits, Cacti?

Back

Fruits

Front

Which of the following figures represents the value of the hydroponics industry? Four billion, Eight billion, Nine billion, Six billion

Back

Six billion

Front

Which of the following is the simplest form of hydroponic systems? Aeroponic systems, Passive system, Aggregate system, Continuous flow system

Back

Passive system

Front

Which of the following is a continuous flow systems which use flexible plastic tubing supported by wooden trays to hold plants and provide a continuous flow of nutrient solutions as they grow? Nutrient film technique systems, Gravity feed system, Manual gravity feed system, Sub irrigation system

Back

Nutrient film technique systems

Front

Where is the sub-irrigation system reservoir most often located?

Back

Below the aggregate bed

Front

Aeroponic systems must provide which of the following percentages of humidity to plants? 75 percent, 77 percent, 25 percent, 100 percent

Back

100 percent

Front

Which of the following is NOT an active system? PVC pipe system, Gravity flow system, Pipe dream system, Nutrient film technique systems

Back

Gravity flow system