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List out the criteria for being as essen...

List out the criteria for being as essential minerals.

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Arnon and Stout (1939) gave criteria required for essential minerals:
1. Elements necessary for growth and development.
2. They should have direct role in the metabolism of the plant.
3. It cannot be replaced by other elements.
4. Deficiency makes the plants impossible to complete their vegetative and reproductive phase.
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Knowledge Check

  • Identify the correct statement from the below. (I) Plants naturally obtain nutrients from atmosphere, water and soil. (II) Arnon and stout gave criteria required for essential minerals. (III) Deficiency makes the plants impossible to complete their vegatative. (IV) Carbohydrates are obtained from air and water by plants

    A
    I and IV only
    B
    I and II only
    C
    I,II and III only
    D
    I,II,III and IV

  • The criteria for essential minerals was given by ……..

    A
    Van Helmont
    B
    Arnon
    C
    Sachs
    D
    Liebig

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