Step by step text solution for Hydroponics by BIOLOGY experts to help you in doubts & scoring excellent marks in Class 11 exams.
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Mineral Nutrition || Mineral Elements || Macronutrients and Micronutrients || Beneficial Elements || Types OF Elements on the Basis OF Diverse Functions || Essentiality Criteria for Minerals || Hydroponics and Aeroponics || Dificiency Symptoms OF Essential Elements
Hydroponic technique and Its significance || Criteria for essential elements ||Macronutrients and micronutrients || Beneficial elements
Knowledge Check
Select the correct statement for hydroponics, in the given statements (I-IV) I. Hydroponics technique is useful in areas havingi infertile and dry soils II. Hydroponics can regulate pH optimum for a particular crop. III. It increases the labour cost IV . It increases the problem of weeding
A
I and IV
B
I and II
C
I and III
D
Only I
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
Assertion : If you burn a plant , its nitrogen component is given off as ammonia and other gases . Reason : Hydroponics does not allow plants to grow well if they are supplied with all the mineral nutrients they need.
A
If both the assertion and reason are true statement and reason is correct explanation of the assertion .
B
If both the assertion and reason are true statement but reason is not a correct explanation of the assertion .
C
If the assertion is true but the reason is a false statement.
D
If both assertion and reason are false statements.
Similar Questions
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What is hydroponic? Given one application of this technique.
Which one of the following scientists used the nutrient culture solution in hydroponic cultures
Go through the following points I. C, H, O, P, K, N, S, Ca and Mg = 9 macronutrients. II. Mo, Ni, Cl, B, Fe, Cu, Mn & Zn = 8 micronutrients. III. More than 10 mmol per kg of dry matter micronutrients causes toxicity. IV. Hydroponics has allowed investigators to more accurately determine which nutrients are essential. V. All soil organisms are helpful to plants because they add nutrients to the soil.
Which of the following is/are essential for hydroponic medium ?
Identify the given type of hydroponic technique and select the correct option.
