Multiple choice

Cultivation of the plants by placing the roots in liquid nutrient material rather than in soil is called

  1. hydrography

  2. hydrology

  3. hydropathy

  4. hydroponics

  5. hydrometallurgy

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydroponics is the method of growing plants in a water-based, nutrient-rich solution rather than in soil.