Deep percolation from a soil profile is generally measured by a device known as_____________________?

Related Mcqs:

1. Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

   A. Additions, losses
   B. Transfers and transformations
   C. both A and B
   D. None of the above

   Submitted by: Shafiq Rehman

2. Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

   A. Mull
   B. Mulch
   C. Mycorrhizae
   D. Muck

   Submitted by: Shafiq Rehman

3. Some times, AB/EB/BA/BE horizons in soil profile are present which are called__________?

   A. Master horizons
   B. Transition horizons
   C. Little horizons
   D. All of the above

   Submitted by: Shafiq Rehman

4. The device used for the measurement of positive pressure potential of soil water is known as_________________?

   A. Lysimeter
   B. Tensiometer
   C. Piezometer
   D. Barometer

5. The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?

   A. Eutrophication
   B. Nitrification
   C. Denitrification
   D. Sedimentation

6. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

   A. Soil amendment
   B. Soil conditioner
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq Rehman

7. Mutant allele that has little or no effect on the expression of a tart is known as_____________________?

   A. Atavism
   B. Auxotroph
   C. Axoneme
   D. Armor

8. The ratio of CO2 and O2 uptaken during respiration is known as_____________________?

   A. Respiration
   B. Respiratory quotient
   C. Both a & b
   D. None of the above

9. Absence of chlorophyll in the plant is known as_____________________?

   A. Acrodsome
   B. Albinism
   C. Agoun
   D. None of the above

10. Some substance are added intentionally to foods for the purpose of marketing them more profit able are known as_____________________?

    A. Food contamination
    B. Food adulterants
    C. Food additives
    D. All the above