The unit of electrical conductivity is____________________?

Related Mcqs:

1. Electrical conductivity of saturated paste is written as____________________?

   A. ECP
   B. ECe
   C. ECs
   D. Ecw

2. The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?

   A. Saline soils
   B. Saline-sodic soils
   C. Sodic soils
   D. Neutral soils

3. pH of Pakistani soils is____________________?

   A. 7.5
   B. 12
   C. 7
   D. 14

4. The factor used for conversion of P to P2O3 is____________________?

   A. o.453
   B. 0.643
   C. 0.436
   D. None of the above

5. The reaction of Na2 CO3 salt is____________________?

   A. Alkaline
   B. Neutral
   C. Acidic
   D. None of the above

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

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

7. Primary air pollution is____________________?

   A. SO
   B. SO3
   C. SO2
   D. None of the above

8. The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?

   A. Mo
   B. Al
   C. Fe
   D. All the above

9. A dihybrid ratio is____________________?

   A. 9:3:3:1
   B. 1:1:1:1
   C. 3:1
   D. 27:9:9:3:3:3:1

10. The influence of light on flowering in plant is____________________?

    A. Phototropism
    B. Photolysis
    C. Photoperiodism
    D. Photosynthesis