(i) It determines the mineral nutrients essential for plants. |
(ii) The hydroponics involves the culture of plants in a soil with 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) Only (iv)
B) Only (v)
C) Only (iii)
D) None of the above
Correct Answer: C
Solution :
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