Which essential element is obtained from mineral and non-mineral sources.

Carbohydrates,Proteins and Lipids are

Which one of the following mineral element plays an important role in biological nitrogen fixation?

Function of Mg and Fe is

The mineral element which maintains ribosome structure

Hydroponics was commercially developed by

Cell membrane is

The transport of mineral ions in the root through cell wall is called

The techniques of growing plants with their roots bathed in nutrient mist is called

The process by which a living organism receives and utilizes the chemical substances for its normal growth and development.