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Question

Hydroponics is a technique of:


A

Cultivation of plants in water

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B

Cultivation of plants in absence of soil

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C

Cultivation of plants in a defined nutrient solution in complete absence of soil

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D

Cultivation of plants with less soil and more water

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Solution

The correct option is C

Cultivation of plants in a defined nutrient solution in complete absence of soil


Plants produce their own food, but require certain elements for their proper physiological functioning. These are usually absorbed from the soil through the roots. Soil also provides a firm place for anchorage. But if the support for anchorage is take care of; plants can be grown in a nutrient solution containing all the essential elements in optimum concentrations. Thus, the technique of hydroponics attempts to grow plants in a defined nutrient solution in complete absence of soil.


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