Humic acid is soluble in______________________?

Related Mcqs:

1. Humic acid is soluble in____________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. None of the above

2. Who gave the defination of humic acid ?

   A. Gapon
   B. Felbeek
   C. Neir
   D. Liekig

3. Extraction of humic substance can be done by______________________?

   A. NaOH
   B. NH4Cl
   C. NH4OH
   D. None of the above

4. Humus generally refers to the decomposed organic residues which have undergone a series of degradation and synthesis cycles. The humic substances consist of a series of highly acidic, yellow to black coloured, high molecular weight compounds __________________, which can be separated using different extraction procedures:

   A. Hymatomelanic  acid & Humin
   B. Humic acid & Fulvic acid
   C. both A & B
   D. None of these

   Submitted by: Shafiq Rehman

5. Gravimetric water is present in______________________?

   A. Micro pores
   B. Macro pores
   C. Meso pores
   D. None of the above

6. Histols are found in______________________?

   A. Pakistan
   B. Canada
   C. Alaska
   D. Both b & c

7. Jumping gene was first discovered in______________________?

   A. Maize
   B. Barley
   C. Oenothera
   D. Sorghum

8. Self incompatibility is used for hybrid seed production in______________________?

   A. Rice
   B. Maize
   C. Cabbage
   D. Tomato

9. In dairy industry, a process for producing evaporated milk was presented in______________________?

   A. 1896
   B. 1835
   C. 1840
   D. 1842

10. Select the water soluble phosphatic fertilizer from the following__________?

    A. DSP
    B. TSP
    C. SSP
    D. All of these

    Submitted by: Shafiq Rehman