| 1 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent rubber
|
| 2 |
In 1839 A.D., Charles Goodyear from rubber prepared: |
- A. Tyre and tube
- B. Vulcanized rubber
- C. Erasing rubber
- D. Rubber goods
|
| 3 |
Per rubber plant, annual rubber production is about: |
- A. 20 pounds
- B. 4-5 pounds
- C. 50 pounds
- D. Very small amount
|
| 4 |
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
|
| 5 |
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
|
| 6 |
Hevea brasiliensis plant provide world's |
- A. 50 percent natural rubber
- B. 90 percent natural rubber
- C. One-third natural rubber
- D. Small amount of natural rubber
|
| 7 |
In 1823, Charles Macintosh established a rubber plant: |
- A. For manufactured water-proof cloth
- B. For manufactured tyre & tube
- C. For manufactured rubber balls
- D. For manufactured rubber goods
|
| 8 |
From Malaysia, first time rubber export started in: |
- A. 1870 A.D
- B. 1905 A.D
- C. 1900 A.D
- D. 1920 A.D
|
| 9 |
At present, Brazil produce world's only: |
- A. 10 percent rubber
- B. 20 percent rubber
- C. One percent rubber
- D. 30 percent rubber
|
| 10 |
When did regular rubber export started from South America-Brazil? |
- A. 1750 A.D
- B. 1852 A.D
- C. 1857 A.D
- D. 1900 A.D
|
