Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?

Related Mcqs:

1. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain
   B. Neutral rain
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

2. In alkaline soil which form of phosphorus uptake by plants?

   A. Primary orthophosphate
   B. Secondary orthophosphate
   C. both
   D. None of these

   Submitted by: gmsyed

3. Preferable form of nitrogen for rice under submerged soil conditions is ____________?

   A. NH4
   B. NO3
   C. NO2
   D. All of these

   Submitted by: Muhammad Rehan

4. What happens when an saline-alkaline soil is reached with water:

   A. pH decrease, Ec increase
   B. pH & Ec both increase
   C. pH increase & Ec decrease
   D. None of these

   Submitted by: Mir Mehrbiyar

5. The basic form of present day Universal soil loss equation (USLE), initially involved the use of factors such as ________?

   A. R, K and S
   B. R and K
   C. R, K, S and L
   D. R, K, S, L, C and P

   Submitted by: Shafiq Rehman

6. A mutant organism (bacterium) that will not grow on a minimal medium does so on the addition of some grown factor is known as __________________?

   A. Autotrophy
   B. Auxotroph
   C. Axenema
   D. Heterotroph

7. In cotton, zn deficiency is known as_________?

   A. Fern leaf
   B. Mottle leaf
   C. Little leaf
   D. None of these

   Submitted by: Shafiq Rehman

8. Process of mixing of soils is known as_________?

   A. Gleization
   B. Lessivage
   C. Laterization
   D. The correct option is not present above

   Submitted by: Shafiq Rehman

9. The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?

   A. Evaptranspiration
   B. Transpiration
   C. Evaporation
   D. Guttation

10. The credit for identifying the essentality of nitrogen to plants goes to________?

    A. Dr.Muhammad Sharif
    B. Theodore-saussure
    C. Shafiq Baloch at.el
    D. Sach and knoop

    Submitted by: Shafiq Rehman