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Mineral Nutriti...

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  • Question 1
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    Which of the following pairs of minerals are relatively immobile and are not transported to the mature organs?

  • Question 2
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    Match the following.

    Elements Function
    1. C, H, O and N a. Activation/inhibition of enzymes
    2. Mg and P b. Components of bio-molecules
    3. Mo c. Activates osmotic potential of cell
    4. K d. Components of energy-related chemical compounds

  • Question 3
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    Which of the following elements is absorbed by the plants in oxyanion form?

  • Question 4
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    Delayed flowering may be due to the deficiency of

  • Question 5
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    Process of reduction of nitrate present in soil to nitrogen is carried out by which of the following?

    a. Pseudomonas
    b. Cyanobacteria
    c. Thiobacillus
    d. Chlorobium

  • Question 6
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    Who gave the 'law of minimum' which states that productivity of a soil depends upon the proportionate amount of deficient mineral?

  • Question 7
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    Arnon and Hoagland gave the first complete prescription for all known mineral salts required for preparing culture solution. According to them, how much gm/litre NH4.H2PO4 was required to make the complete nutrient solution?

  • Question 8
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    Mineral requirements of plants are determined by culture experiments. Which of the following is not a use of culture experiment?

  • Question 9
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    Consider the following statements and mark your answer accordingly:

    a. Sodium is a non-essential functional element and its deficiency produces leaf necrosis and stunted growth in rice.
    b. An essential element has a specific structural or physiological role and without it, plants cannot complete their life cycle.

  • Question 10
    1 / -0

    Macroelements occur in plants in easily detectable quantities. Which of the following is the characteristic of macroelements?

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