According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________?

Related Mcqs:

1. DAP fertilizer available in Pakistan contains__________________________?

   A. 18% N & 46% P2O5
   B. 46%N & 18%P2O3
   C. 100%P2O3
   D. 50%P2O3

2. The exact chemical formula of DAP fertilizer is___________________?

   A. (NH2) HPO4
   B. NH4H2PO4
   C. NH4H2PO4
   D. Both a & c

3. Urea in manufactured form gases________________________?

   A. NH3
   B. NH48CO2
   C. NH3 & CH4
   D. All the above

4. The chemical formula of urea fertilizer is_______________________?

   A. NH₂CONH₂
   B. [CO(NH₂)]
   C. Both a & b
   D. None of the above

5. A compound toxic to crop formed by the thermal decomposition of urea is_________________?

   A. Uric acid
   B. Biurct (NH2CONH CONH2 H2O)
   C. Diuret
   D. Both b & c

6. What is the formula of urea?

   A. CO (NH₂)₂
   B. NH₂-CO-NH-CO-NH₂
   C. (NH₄)₂CO₃
   D. None of these

   Submitted by: Shafiq Rehman

7. Urea Toxicity is also called ______________________?

   A. NH3 Toxicity
   B. Urine Toxicity
   C. Blood Toxicity
   D. None of above

8. According to the Soil survey of Pakistan, the total waterlogged summer-rain area in the country is:_________?

   A. 4.11 mha
   B. 5.16 mha
   C. 22.5 mha
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

9. Walkley and blacks method of organic matter determination allows recovery of ______ ℅ organic carbon content:

   A. 44 ℅
   B. 45 ℅
   C. 33℅
   D. None of the above

   Submitted by: Shafiq Rehman

10. Walkley and Blacks method of organic matter determination allows recovery of _____% organic carbon content:

    A. 74 %
    B. 54 %
    C. 62.5 %
    D. 34%

    Submitted by: Shafiq Rehman