Carefully observe the following figure:

 

(a) Name the technique shown in the figure and the scientist who demonstrated this technique for the first time.
(b) Name at least three plants for which this technique can be employed for their commercial production.
(c) What is the significance of aerating tube and feeding funnel in this setup

Answers (1)

Ans.

(a) The technique is hydroponics which was first demonstrated by Julius Von Sachs.
(b) Tomato, brinjal, lettuce.
(c) Aerating tube provides oxygen to the roots growing in the solution and feeding funnel is used to provide nutrients and water into the hydroponic system.

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