In the polluted water, the values of:

Related Mcqs:

1. As compared to tap water the BOD of sewage polluted water shall be:

   A. High
   B. Low
   C. Same
   D. None of these

2. BOD of polluted water is increased by

   A. Algae
   B. Moss
   C. Ferns
   D. Distillated wastes

3. BOD value of sewage water than that of tap water is:

   A. More
   B. Less
   C. Equal
   D. Somewhere more somewhere less

4. Other material values of biological diversity are:

   A. Many natural or semi-natural ecosystems
   B. Some of which may be high biological diversity, are of considerable benefit to man
   C. To role of forests in watershed regulation and stabilization of soils in erosion-prone areas
   D. All of the above

5. Humidity – except for about 64 km inland coastal belt, where values of the relative humidity are the highest, especially during summer season with August as a humid month, the relative humidity in most part of the country is moderate, falling below _____ in the plains:

   A. 10%
   B. 15%
   C. 20%
   D. 25%

6. When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:

   A. Primary consumers
   B. Producers
   C. Secondary consumers
   D. Top consumers in this food chain

7. The soils that are fully laden with water i.e., water logged, are known are:

   A. Physically dry soils
   B. Physiologically dry soils
   C. Alkaline soils
   D. Acidic soils

8. When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:

   A. Gravitational water
   B. Capillary water
   C. Field capacity
   D. Storage capacity

9. Water-logging is a serious problems, with water-table within _____ over the greater part of the area:

   A. 5m
   B. 6m
   C. 7m
   D. 8m

10. The importance of watershed management was realized when Pakistan signed Indus Water Treaty with India through which right of water of ______ was given to India while Pakistan has the right on river Indus and Jhelum:

    A. Chenab
    B. Ravi
    C. Sutlij
    D. All of the above