| 1 |
Which type of soil is good for growth of plants. |
- A. Sand
- B. Silt
- C. Clay
- D. Rock
|
| 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 |
the diameter of the earth is approx |
- A. 12800 km
- B. 12900 km
- C. 12700 km
- D. 12600 km
|
| 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 |
The outer layer of the Earth is called. |
- A. External core
- B. Mantle
- C. Crust
- D. Inner core
|
| 6 |
The volume of inernal core of the earth is........... of the total volume of the earth. |
- A. 15%
- B. 16%
- C. 17%
- D. 18%
|
| 7 |
In term of volume, largest part of the earth. |
- A. Crust
- B. Mantle
- C. Core
- D. External core
|
| 8 |
The amount of fresh water that available to mankind is approximately to the total amount of water. |
|
| 9 |
The particles of sandy soil are of medium size. |
- A. Slit
- B. Humus
- C. Clay
- D. Sand
|
| 10 |
Wet clay can be moded into any shape |
- A. Clay
- B. Sand
- C. Slit
- D. Fertile soil
|