| 1 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent rubber
|
| 2 |
For best vegetative growth of natural rubber plant: |
- A. There is not any need of rainfall
- B. Small amount of rainfall is enough
- C. 70-100 inches rainfall is needed
- D. Only 30 inches rain-fall is enough
|
| 3 |
For propagation of rubber plant: |
- A. Equatorial warm-humid climate is suitable
- B. Desert climate is suitable
- C. Monsoon climate is suitable
- D. Sudani climate is suitable
|
| 4 |
Hevea brasiliensis's smuggled rubber seeds from Brazil were propagated in London' s: |
- A. Kew Gardens
- B. Lawrence Gardens
- C. Wah Gardends
- D. Mayo Gardens
|
| 5 |
For rubber plant plantation, which soil is most suitable ? |
- A. Marshy land
- B. Sandy soil
- C. Clayey soil
- D. Red oil with excessive phosphorus & humus
|
| 6 |
Natural rubber's plant matures for rubber production: |
- A. At the age of 5 years
- B. At the age of 10 years
- C. At the age of 3 years
- D. At the age of 15 years
|
| 7 |
At present, world's 91.5% percent natural rubber produces in: |
- A. South-east Asia
- B. Sri Lanka
- C. Brazil
- D. African countries
|
| 8 |
Most of the natural rubber production in the world is being used: |
- A. For manufacturing water proof cloth
- B. For manufacturing tyre & tube
- C. For manufacturing toys
- D. For manufacturing utensils
|
| 9 |
For rubber plant plantation, which soil is most suitable? |
- A. Marshy land
- B. Sandy soil
- C. Clayey soil
- D. Red soil with excessive phosphorus & humus
|
| 10 |
Hevea brasiliensis plant provide world's: |
- A. 50 percent natural rubber
- B. 95 percent natural rubber
- C. One-third percent natural rubber
- D. Small amount of natural rubber
|
