| 1 |
Northern coniferous forest are called. |
- A. Alpine
- B. Boreal
- C. Taiqa
- D. Prairles
|
| 2 |
The productivity of aquatic ecosystem is determined by light and |
- A. CO2
- B. Temperature
- C. Nutrients
- D. Water
|
| 3 |
Chilas has major terrestrial ecosystem. |
- A. Deciduous forest
- B. Alpine Forest
- C. Grass land
- D. Tundra
|
| 4 |
Cacti and Euphorbia are the desert plants which store water in their. |
- A. Fleshy leaves
- B. Freshy stems
- C. Freshy roots
- D. Freshy buds
|
| 5 |
Coniferous forest located at high attitude are called. |
- A. Boreal
- B. Alpine
- C. Talga
- D. Prailes
|
| 6 |
Only 30% of the earth is dry land the remainder being covered with |
- A. Water
- B. Air
- C. Trees
- D. Grass
|
| 7 |
Which one is not desert. |
- A. Thar
- B. Thal
- C. Sahara
- D. Talga
|
| 8 |
Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as |
- A. Deforestation
- B. A-forestation
- C. Forestation
- D. Both a & b
|
| 9 |
Desert ecosystem of Bhakkar and Mian wali is called. |
- A. Thal
- B. Thar
- C. Cholistan
- D. Rohi
|
| 10 |
A natural process in which surface soil is removed by the action of water or wind is |
- A. Corrosion
- B. Attrition
- C. Erosion
- D. Weathering
|