Hydroponics refers to growing plants in

Growing of plants in a nutrient solution on terrace or balcony is called

$I.$ The practice of growing plants in nutrient-enriched water without soil is called....
$II.$ The system of growing plants with their roots bathed in nutrient mist (a cloud of moisture in air) is called....
Complete the given statements ($I$ and $II$) with the correct pair of options given below.

$A$: Jar for nutrient solution culture contains a split cover with holes which hold a bent tube for aeration.
$R$: Regular aeration of culture solution is necessary for proper growth and activities of roots.

The nutrient solution in flowering culture hydroponics:

Who demonstrated that plants could be grown to maturity in a defined nutrient solution in the absence of soil?