| 1 |
Chilas has major terrestrial ecosystem. |
- A. Deciduous forest
- B. Alpine Forest
- C. Grass land
- D. Tundra
|
| 2 |
Which of the following is the most fragile ecosystem. |
- A. Grass land
- B. Wood land
- C. Tundra
- D. Savanna
|
| 3 |
The best way to increase food production from ecosystem view point is: |
- A. To increase cultivable land by clearing forest
- B. Use of excessive fertilizers
- C. Use of high quality pesticides
- D. Use of genetically improved varieties of seeds
|
| 4 |
In Sindh, the desert ecosystem is called. |
- A. Thar
- B. Sahara
- C. Gobi
- D. thal
|
| 5 |
Northern coniferous forest are called. |
- A. Alpine
- B. Boreal
- C. Taiqa
- D. Prairles
|
| 6 |
The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant: |
- A. Respiration rate
- B. Photosynthesis
- C. Biomass
- D. Food reserve
|
| 7 |
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
|
| 8 |
Each nuclear power station only can last for about |
- A. 10 years
- B. 20 years
- C. 30 years
- D. 40 years
|
| 9 |
In which type of ecosystem in the smallest fraction of nutrients present in soil. |
- A. Forest
- B. Savanna
- C. Grass land
- D. Desert
|
| 10 |
The average rain fall in temperate deciduous forest is between |
- A. 600-1500 mm
- B. 650 -1500 mm
- C. 750-1500 mm
- D. 700 -1500 mm
|