| 1 |
The outer layer of the Earth is called. |
- A. External core
- B. Mantle
- C. Crust
- D. Inner core
|
| 2 |
In term of volume, largest part of the earth. |
- A. Crust
- B. Mantle
- C. Core
- D. External core
|
| 3 |
Only plant of solar system whreconditions are conductive for the eistence of life that is. |
- A. Mercury
- B. Venus
- C. Earth
- D. Mars
|
| 4 |
In terms of structure what is the inner most art of the earth are called. |
- A. External core
- B. internal core
- C. Mantle
- D. Crust
|
| 5 |
The volume of inernal core of the earth is........... of the total volume of the earth. |
- A. 15%
- B. 16%
- C. 17%
- D. 18%
|
| 6 |
The amount of fresh water on the Earth is |
- A. about 1 %
- B. about 30%
- C. about 70%
- D. about 90%
|
| 7 |
What % percentage of the earh is water |
- A. 70%
- B. 75%
- C. 72%
- D. 80%
|
| 8 |
What is therole of living organisms in the soil. |
- A. Making soild soft and airy
- B. Making soil hard
- C. Make soil unfit for cultivations
- D. Making the air dry
|
| 9 |
Part of the earth where we live |
- A. Crust
- B. Mantle
- C. core
- D. External core
|
| 10 |
Weight of the internal core of the earth is............ of the total weight of the earth. |
- A. 30%
- B. 16%
- C. 33%
- D. 34%
|