Botany - Mineral Nutrition Book Back Questions

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

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 Alnuswhich 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
  4. Write the role of nitrogenase enzyme in nitrogen fixation? 

  5. 2 x 3 = 6
  6. The nitrogen is present in the atmosphere in huge amount but higher plants fail to utilize it. Why?

  7. Explain the insectivorous mode of nutrition in angiosperms?

*****************************************

TN 11th Standard Biology free Online practice tests

Reviews & Comments about 11th Botany - Mineral Nutrition Book Back Questions

Write your Comment