The soil cover of the earth lies between:

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. The rock cover of the earth is called:

   A. Lithosphere
   B. Xerosphere
   C. Pasmmosphere
   D. Pedosphere

3. 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

4. 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%

5. 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

6. 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

7. In cold storage the best temperature of storing seed of most species lies between ______.

   A. 3
   B. 2
   C. 4
   D. None of these

8. The Thal Desert lies between the:

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

9. If there were no CO2 in the earth’s atmosphere, the temperature of earth’s surface would have been:

   A. same as present
   B. Less than the present
   C. Higher than the present
   D. Dependent on the amount of O2 in the atmosphere

10. Geology is the study of earth. Earth’s crust is divided into:

    A. Ocean
    B. Continents
    C. Both (a) & (b)
    D. None of these