The removal of excess water from the ground surface is called:________?

Related Mcqs:

1. _________ erosion is the removal of a thin layer of soil by water acting over the whole surface. This type of erosion damaged very fertile lands located on slopes, some of which have been eroded to a depth of about 15 cm.

   A. Rain splash rill erosion
   B. Stream bank erosion
   C. Sheet erosion
   D. Gully erosion

   Submitted by: Shafiq Rehman

2. Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:

   A. Capillary water
   B. Hygroscopic water
   C. Gravitational water
   D. None of the above

   Submitted by: Shafiq Rehman

3. Surface removal of ice or snow from a glacier or snowfield by melting, sublimation, and/ or calving:

   A. Abrasion
   B. Ablation 
   C. Backplain
   D. Bank-Caving

   Submitted by: Shafiq Rehman

4. 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

5. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol
   B. Methyle alcohol
   C. both A and B
   D. None of these

   Submitted by: Shafiq Rehman

6. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol
   B. Methyle alcohol
   C. both A and B
   D. None of these

   Submitted by: Shafiq Rehman

7. Ground water refers to the________?

   A. Water quality determination
   B. Aquifer location
   C. Water regulation
   D. Installation of wells

   Submitted by: Shafiq Rehman

8. Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:

   A. Extremely low
   B. Extremely high
   C. Very little
   D. None of these

   Submitted by: Shafiq Rehman

9. The configuration of a surface and the relations among its man-made and natural features is called:________?

   A. Tofography
   B. topograpy
   C. Topography
   D. All of the above

   Submitted by: Shafiq Rehman

10. Water is the major constituent of all living creatures. Biomass of plants is composed of ________% water:

    A. 65 – 75%
    B. 72 – 62%
    C. 85 – 95%
    D. 75% – 80%

    Submitted by: Shafiq Rehman