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Plants can be cultivated in soil less me...

Plants can be cultivated in soil less medium where all required nutrients are supplied from the outside in water solution, this method comes under

A

Aeroponics

B

Hydroponics

C

Hybrid culture

D

Critical culture media

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The correct Answer is:
B
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Given below are four jumbled sentences. Select the option that gives their correct order.S1: Plants need carbon for building the tissue of their bodies. S6: Thus through a complex process called photosynthesis, plants receive their requirements from the soil and Sun P: The breaking up of carbon dioxide into its components requires energy, which they derive from the Bun Q: Plants other needs of nutrients are derived from the sail and water through their roots. R: They derive this carbon from the carbon dioxide in the air. S: They break up the carbon dioxide, absorb the carbon and discharge oxygen into the air for animals to breatha The proper sequence should be

Photosynthesis is the process by which autotrophs take in susbstances from the outside and convert take insubstances from the outside and convert them into stored formes of energy .the materials is taken in the form of carbon dioxide and water which is converted into carbohydrates in the presence of sunlight chlorophyll . The carbohydrates which are not used immediately are stores in the form of starch , which serves as the internal energy reserve to be used as and when required by the plant . The complex substances have to be broken down into simpler ones before they can be used for the unkeep and growth of the body . Heterotrophs depend for energy on :

Photosynthesis is the process by which autotrophs take in susbstances from the outside and convert take insubstances from the outside and convert them into stored formes of energy .the materials is taken in the form of carbon dioxide and water which is converted into carbohydrates in the presence of sunlight chlorophyll . The carbohydrates which are not used immediately are stores in the form of starch , which serves as the internal energy reserve to be used as and when required by the plant . The complex substances have to be broken down into simpler ones before they can be used for the unkeep and growth of the body . Choose the correct combination of plots provided in the following table .

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

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.

Redox equations are balanced either by ion-electron method or by oxidation number method. Both methods lead to the correct from of the balanced equation. The ion electron methodd has two advantages. So some chemists prefer to use the ion-electron method for redox reactions carried out in dilute aqueous solutions, where free ions have more or less independent existance. The oxidation state method for redox reactions is mostly used for solid chemicals or for reactions in concentrated acid media. For the reaction K_(4)[Fe(CN)_(6)]rarrFe^(3+)+CO_(2)+NO_(3)^(ө) the n -factor is

Redox equations are balanced either by ion-electron method or by oxidation number method. Both methods lead to the correct from of the balanced equation. The ion electron methodd has two advantages. So some chemists prefer to use the ion-electron method for redox reactions carried out in dilute aqueous solutions, where free ions have more or less independent existance. The oxidation state method for redox reactions is mostly used for solid chemicals or for reactions in concentrated acid media. For the reaction FeS_(2)rarrFe^(3+)+SO_(2) the n -factor is

Redox equations are balanced either by ion-electron method or by oxidation number method. Both methods lead to the correct from of the balanced equation. The ion electron methodd has two advantages. So some chemists prefer to use the ion-electron method for redox reactions carried out in dilute aqueous solutions, where free ions have more or less independent existance. The oxidation state method for redox reactions is mostly used for solid chemicals or for reactions in concentrated acid media. For the reaction Br_(2)+2NaOHrarrNaBrO_(3)+NaBr+H_(2)O n -factor is

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