Question

Hydroponics is the process of

• A. growing of aquatic plants
• B. growing of floating aquatic plants
• C. soil-less cultivation of plants
• D. growing of plants inside water

Answer 1

The correct option is C soil-less cultivation of plants


It is a kind of hydroculture and is a technique of growing plants using solutions rich in mineral nutrients without soil. Terrestrial flora could be grown with their roots in the mineral solution only, or in an inert medium like gravel or perlite. The nutrients in hydroponics could be obtained from duck manure, fish wastes, etc.