|
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 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 Choose the correct options |
|||||||
|
a) |
Only IV |
b) |
Only V |
c) |
Only III |
d) |
None of these |
|
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 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 Choose the correct options |
|||||||
|
a) |
Only IV |
b) |
Only V |
c) |
Only III |
d) |
None of these |
|
(c) The technique of growing plants in a nutrient solution is known as hydroponics. Since then, a number of improvised methods have been employed to try and determine the mineral nutrients essential for plants. The essence of all three methods involves the culture of plants in a soil free, defined mineral solution. These plants in a soil free, defined mineral solution. These methods require purified water and mineral nutrient salts |