| 1 |
Only plant of solar system whreconditions are conductive for the eistence of life that is. |
- A. Mercury
- B. Venus
- C. Earth
- D. Mars
|
| 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 |
Which type of soil is good for growth of plants. |
- A. Sand
- B. Silt
- C. Clay
- D. Rock
|
| 4 |
The particles of sandy soil are of medium size. |
- A. Slit
- B. Humus
- C. Clay
- D. Sand
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| 5 |
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
|
| 6 |
Sand soil is used for making. |
- A. Pottery
- B. Glass
- C. Farming
- D. Cultivation
|
| 7 |
the diameter of the earth is approx |
- A. 12800 km
- B. 12900 km
- C. 12700 km
- D. 12600 km
|
| 8 |
The outer layer of the Earth is called. |
- A. External core
- B. Mantle
- C. Crust
- D. Inner core
|
| 9 |
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
|
| 10 |
What % percentage of the earh is water |
- A. 70%
- B. 75%
- C. 72%
- D. 80%
|