The rock cover of the earth is called:

Related Mcqs:

1. The soil cover of the earth lies between:

   A. Atmosphere and lithosphere
   B. Lithosphere and biosphere
   C. Atmosphere and hydrosphere
   D. All of these

2. A part of the rock forming material of the earth comprises:

   A. Oxides of Ca and Na
   B. Oxides of Ca and K
   C. Aluminosilicates of Na, K and Ca
   D. Nitrates of Fe and Al

3. Plants growing in rock crevices are called:

   A. Sciophytes
   B. Chasmophytes
   C. Helophytes
   D. None of these

4. 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

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

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

6. Development of soil from the parent rock is termed as:

   A. Edaphotropism
   B. Edaptic factor
   C. Pedogenesis weathering
   D. Edaphic climax

7. Development of soil from parent rock is termed as:

   A. Edaphic factor
   B. Pedogenesis
   C. Edaphotropism
   D. Edaphic climax

8. The terms used for various programmes of extending tree cover to non-forestry areas, used rather loosely in Indo-Pak subcontinent are:

   A. Social forestry, farm forestry, agroforestry
   B. Community forestry, environmental forestry, tree farming
   C. Forest farming, village woodlots, small-scale forestry
   D. All of the above

9. The conifers generally form a fairly complete forest cover of good height is:

   A. 22 to 44 m
   B. 24 to 46 m
   C. 26 to 48 m
   D. 28 to 50 m

10. Sulaiman Mountain ranges cover about how much area:

    A. 1.5 million ha
    B. 2 million ha
    C. 2.5 million ha
    D. None of these