Question

What is hydroponics?

• A. The process of growing plants in a liquid or an aqueous medium with added nutrients, without the use of soil.
• B. The process of growing plants in the air by spraying nutrient solution at regular intervals.
• C. The process of raising aquatic animals such as snails, fish, crayfish or prawns in tanks.
• D. The practice of growing plants in vertically stacked layers.

Answer 1

The correct option is A

The process of growing plants in a liquid or an aqueous medium with added nutrients, without the use of soil.

The process of growing plants in a liquid or an aqueous medium with added nutrients, without soil, is called hydroponics. The process of growing plants with their roots suspended in the air by spraying nutrient solution at regular intervals without the use of soil is called aeroponics. The process of raising aquatic animals such as snails, fish, crayfish or prawns in tanks is called pisciculture or aquaculture. The practice of growing plants in vertically stacked layers is called vertical farming.