| 1 |
Mountain of Karakoram are located in major terrestrial ecosystem in Pakistan. |
- A. Grass land
- B. tundra
- C. Coniferous alpine forest
- D. Temperate deciduous forest
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| 2 |
Perhaps the most fragile of all the biomes, because of its short growing season is. |
- A. Tundra
- B. Desert
- C. Grass land
- D. Temperate deciduous forest
|
| 3 |
The study of hman populations and things that affect them is called: |
- A. Angiography
- B. Demography
- C. Mammography
- D. Homography
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| 4 |
Each nuclear power station only can last for about |
- A. 10 years
- B. 20 years
- C. 30 years
- D. 40 years
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| 5 |
The arctic tundra stretches acroos Northern North America, Northern Europe and. |
- A. cyprus
- B. Siberia
- C. Morocco
- D. Nepal
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| 6 |
The causes of green house effect are: |
- A. Over urbanization
- B. Deforestation
- C. Industrialization
- D. All of them
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| 7 |
Ecosystem present on land or soil is called. |
- A. Terrestrial
- B. Atmosphere
- C. Lithosphere
- D. Both a and c
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| 8 |
Coniferous forest located at high attitude are called. |
- A. Boreal
- B. Alpine
- C. Talga
- D. Prailes
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| 9 |
Which statement defines the net primary production in an ecosystem over a given time period? |
- A. The total amount of organic matter in the plants in excess of that used in respiration
- B. The total amount of organic matter used in respiration by all the organisms present
- C. The total amount of photosynthesis product from all plants
- D. The total amount of organic matter in all organisms present
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| 10 |
The biome, which has very fertile soil, rich in organic matter with maximum water holding capacity is. |
- A. Alpine forest
- B. Grassiland
- C. Desert
- D. Temperate deciduous forest
|