Which method of irrigation is possible under the economical conditions of Pakistan __________________?

Related Mcqs:

1. The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?

   A. ECi:<1.5, SAR < 10 & RSC< 2.5
   B. ECi:>1.5, SAR > 10 & RSC> 2.5
   C. ECi:>1.5, SAR 2.5
   D. Both a & b

2. Boron concentration is irrigation water is considered safe only upto_________________?

   A. 0.7 ppm
   B. 1.5 ppm
   C. 2 ppm
   D. 3 ppm

3. The depth of irrigation water required for the full crop period is called_________?

   A. Delta of water 
   B. Water required
   C. Crop water required
   D. None of these

   Submitted by: Mukhtir Ali jan

4. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

   A. Infiltration
   B. Percolation
   C. Seepage
   D. All of these

   Submitted by: Shafiq Rehman

5. Sprinkler irrigation is suitable, where soil has:_________?

   A. Clayey texture
   B. Undulating topography
   C. Loamy texture
   D. All of these 

   Submitted by: Shafiq Rehman

6. Under drought conditions, there is an increase in__________________?

   A. Pro line level
   B. Ethylene level
   C. Abscisic acid
   D. All the above

7. When sugars heated under controlled conditions in the absence of water, they form an hydro sugar, that readily polymerized to give typical taint and brown pigment this process is called _________________?

   A. Mail lard reaction
   B. Caramalization
   C. Browning
   D. Purification

8. 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

9. The geometrical device that helps in visnalizing all the possible combinations of male and female gametes known as____________________?

   A. Punneu square
   B. Morgan square
   C. Mendel square
   D. Bateson square

10. The maximum magnification possible within electron microscope is____________________?

    A. 2000 times
    B. 4000 times
    C. 400,000 times
    D. 200,000 times