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Which of the following statements are no...

Which of the following statements are not correct in reference to hydroponics?
I. It determines the mineral nutrients essential for the plants.
II. The hydroponics involves the culture of plants in soil and defined mineral solution.
III. Hydroponics requires purified water with non-defined mineral nutrient salts.
IV. In the hydroponics technique, plants are grown in sandy soil with nutrient solution.
V. By this method, essential elements required for the growth of plants can be identified and their deficiency symptoms can also be discovered

A

II, III and IV

B

II and V

C

Only III

D

none of these

Text Solution

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The correct Answer is:
A
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Which of the following statement(s) is/are not correct in reference to hydroponics? I. iIt determines the mineral nutrients essential for the plants. II. The hydroponics involves the culture of plants in a soilless medium. III. Hydroponics requires purified water with non-defined mineral nutrients salts. IV. Hydroponics technique, can be used for producing lettuce. Choose the correct options.