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11th Botany - Mineral Nutrition Book Back Questions Question Bank Software Sep-12 , 2019

Botany - Mineral Nutrition 

11th Botany - Mineral Nutrition Book Back Questions

Botany - Mineral Nutrition Book Back Questions

11th Standard

    Reg.No. :
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Biology

Time : 00:30:00 Hrs
Total Marks : 10
    2 x 1 = 2

  1. The element which is not remobilized?

    (a)

    Phosphorous

    (b)

    Potassium

    (c)

    Calcium

    (d)

    Nitrogen

  2. Identify the correct statement
    i. Sulphur is essential for amino acids Cystine and Methionine
    ii. Low level of N, K, S and Mo affect the cell division
    iii. Non-leguminous plant Alnus which contain bacterium Frankia
    iv. Denitrification carried out by nitrosomonas and nitrobacter.

    (a)

    I, II are correct

    (b)

    I, II, III are correct

    (c)

    I only correct

    (d)

    all are correct

    3. 1 x 2 = 2

  3. Write the role of nitrogenase enzyme in nitrogen fixation? 

    4. 2 x 3 = 6

  4. The nitrogen is present in the atmosphere in huge amount but higher plants fail to utilize it. Why?

  5. Explain the insectivorous mode of nutrition in angiosperms?

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