The nature of the soil carried by river is:

Related Mcqs:

1. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites
   B. Nitrates
   C. Nitrogen
   D. Nitric and nitrous acids

2. Soil that is made-up of particles, that have been carried in water and thus deposited, is called:

   A. Silt
   B. Clay
   C. Sub-soil
   D. Loam

3. Soil at the rate of 4 to 7 thousand tonnes/sq mile is carried annually in the rivers _______.

   A. Chenab and Jhelum
   B. Chenab and Ravi
   C. Jhelum and Indus
   D. None of these

4. In water logged soil plants cannot grow properly because the soil is:

   A. Physiologically wet
   B. Physiologically dry
   C. Physically dry
   D. None of the above

5. When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:

   A. 4.50%
   B. 9%
   C. 8.25%
   D. 16.50%

6. The ration of volume of pores in the soil to the total soil volume is referred to as:

   A. Pore frequency ratio
   B. Pore density ration
   C. Pore abundance ratio
   D. Pore space ratio

7. 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

8. As each coupe comes under felling the operations are being carried out:

   A. Selection of standards of coppice rotation age for reservation.
   B. Thinning of standards of two coppice rotations and over.
   C. Felling of mature standards
   D. Clear-felling the remaining coppice
   E. All of the above

9. How much cut to be carried out in a managed forest?

   A. Only involves the meeting market demand for the forest products but through the cut
   B. To ensure the progressive improvement of the growing stock to obtain future yields in perpetually
   C. Both (a) & (b)
   D. None of these

10. The science of ecology has been defined as the study of the structure and function of nature by:

    A. Odum
    B. Misra
    C. Warming
    D. Maeckel