| 1 |
The outer layer of the Earth is called. |
- A. External core
- B. Mantle
- C. Crust
- D. Inner core
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| 2 |
Weight of the internal core of the earth is............ of the total weight of the earth. |
- A. 30%
- B. 16%
- C. 33%
- D. 34%
|
| 3 |
Part of the earth where we live |
- A. Crust
- B. Mantle
- C. core
- D. External core
|
| 4 |
The distance of earth from sun is approx |
- A. 160 million kilometer
- B. 150 million kilometer
- C. 140 million kilometer
- D. 170 million kilometer
|
| 5 |
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
|
| 6 |
In term of volume, largest part of the earth. |
- A. Crust
- B. Mantle
- C. Core
- D. External core
|
| 7 |
The amount of fresh water that available to mankind is approximately to the total amount of water. |
|
| 8 |
What is important in the neaural measure. |
- A. Minerals
- B. The decayed matter
- C. sand
- D. Salts
|
| 9 |
Sand soil is used for making. |
- A. Pottery
- B. Glass
- C. Farming
- D. Cultivation
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| 10 |
What % percentage of the earh is water |
- A. 70%
- B. 75%
- C. 72%
- D. 80%
|