The unit of a scale used to measure the level of acidity or alkalinity of chemicals is called:

Related Mcqs:

1. Which of the following fertilizers show maximum residual acidity with the continuous soil application:

   A. Urea
   B. Ammonium nitrate
   C. Ammonium sulphate
   D. Calcium ammonium nitrate

   Submitted by: Shafiq Rehman

2. The dominance of acidity creates toxicity?

   A. Mo
   B. Al
   C. Zn
   D. Mg

   Submitted by: Mir Mehrbiyar

3. While handing concentrated acids. bases or other hazardous chemicals use_________________?

   A. Table
   B. Fume hoods
   C. Both a & b
   D. None of the above

4. The process by which nutrients chemicals or contaminants are dissolved and carried away by water, or are moved into a lower layer of soil:

   A. Infiltration
   B. Percolation
   C. Leaching
   D. Seeping

   Submitted by: Shafiq Rehman

5. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:

   A. Insecticides—Herbicides
   B. Fungicides—Insecticides
   C. Weedicides—insecticides
   D. None of the above

   Submitted by: Shafiq Rehman

6. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:

   A. brought under range crops
   B. Forests
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

7. The deficient level of N (%) in plants suggested by various workers is____________________?

   A. 0%
   B. 3%
   C. 5%
   D. 10%

8. The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?

   A. > 50 mg kg-1
   B. > 10 mg-1
   C. > 400 mg kg-1
   D. None of these

9. The unit of electrical conductivity is____________________?

   A. dsm-1
   B. mmhos/m
   C. ms/cm
   D. Al the above

10. pF unit is used for the measurement of_____________________?

    A. Hydraulic potential
    B. Hydraulic conductivity
    C. Negative soil water potential
    D. All the above