|
|
|
11. |
One of following minerals is found in almost all the rocks: |
A. |
Feldspar |
B. |
Carbon |
C. |
Calcium |
D. |
None of these |
Answer: Option A
Explanation:
|
12. |
Granite is a: |
A. |
Volcanic rock |
B. |
Plutonic rock |
C. |
None of these |
D. |
Both (a) & (b) |
Answer: Option B
Explanation:
|
13. |
Quartz is a ______ rock: |
A. |
Plutonic |
B. |
Sedimentary |
C. |
Igneous |
D. |
Metamorphic |
Answer: Option D
Explanation:
|
14. |
In which of the following is knowledge of underlying rocks least essential: |
A. |
Weather studies |
B. |
Road Construction |
C. |
Oil drilling |
D. |
Soil analysis |
Answer: Option A
Explanation:
|
15. |
Rocks differ from one another in these respects except: |
A. |
Texture |
B. |
Permeability |
C. |
Mode of occurrence |
D. |
Salinity |
Answer: Option D
Explanation:
|
16. |
When softer rocks are eroded by sea water _____ are formed: |
A. |
Bays |
B. |
Headland |
C. |
Stack |
D. |
None of these |
Answer: Option A
Explanation:
|
17. |
When harder rocks are eroded by sea water ______ are formed: |
A. |
Spits |
B. |
Headlands |
C. |
Sea caves |
D. |
Beaches |
Answer: Option C
Explanation:
|
18. |
Mushroom rock feature is example of ______ feature of wind: |
A. |
Erosional |
B. |
Depositional |
C. |
None of these |
D. |
Both (a) & (b) |
Answer: Option A
Explanation:
|
19. |
Dolomite: |
A. |
Calcium magnesium carbonate |
B. |
Calcium Carbonate |
C. |
Calcium Bicarbonate |
D. |
None of these |
Answer: Option A
Explanation:
|
20. |
Rocks of oceanic crust have a density of: |
A. |
1.0 g/cm3 |
B. |
2.0 g/cm3 |
C. |
3.0 g/cm3 |
D. |
None of these |
Answer: Option C
Explanation:
|
Read more:
|
|