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Mineral Nutriti...

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  • Question 1
    1 / -0

    Conversion of ammonia to nitrite by microbe is?

  • Question 2
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    Identify the correct matches.

    Column IColumn IIColumn III
    (a)CalciumIRequired for ionic balance(i)Grey blot 
    (b)BoronIIEssential for the constitution of nucleic acid(ii)Fruit with decreases
    (c)PhosphorusIIIRequired for absorption of Ca(iii)Red blot leaves
    (d)ChlorineIVRequired to activate respiratory enzymes(iv)Fruit and diminishes
    (e)ManganeseVRequired for synthesis of bipolar spindle(v)Young and tips begin to die

  • Question 3
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    Which micronutrient activates enzyme urease involved in nitrogen metabolism?

  • Question 4
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    Match the columns.

    III
    aPhotolysis of water(i)Zinc
    bDiazotrophy(ii)Copper
    cCytochrome c oxidase(iii)Manganese
    dBiosynthesis of IAA(iv)Molybdenum
    (v)Boron

  • Question 5
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    What is required for nitrogen fixation by Rhizobium?

  • Question 6
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    'X' is an essential micronutrient required in leaves and roots. The major function of 'X' is to perform the metabolism of urea and ureids and its deficiency causes leaf tip necrosis. X is:

  • Question 7
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    Match the column (I) of minerals, column (II) of functions and column (III) of relative percentage and select proper option.

    IIIIII
    (L) Phosphorus(P) For photosynthesis and ionic balance(i)   6%
    (M) Magnesium(Q) In structure of RNA, DNA and ATP(ii)  8%
    (N) Chlorine(R) Structural component of chlorophyll(iii) 0.2%
    (O) Boron(S) Absorption and utilisation of calcium(iv) 0.3%

  • Question 8
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    Study the following statements and choose the correct option.
    (i)   Sulphur is present in two amino acids - cysteine and valine
    (ii)  Lower level of N, K, S, and Mo causes inhibition of cell division
    (iii) Microbe that produces nitrogen fixing in the roots of non-leguminous plant Alnus is Frankia
    (iv) Denitrification is carried by bacteria Nitrosomonas and Nitrobacter.

  • Question 9
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    In above diagram of metabolic Reaction what is the compound $$B$$?

  • Question 10
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    Choose the correct answer from the alternatives given.
    In plants a common symptom caused by deficiencies of Ca, K, Mg and P is the:

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