| 1 |
Natural rubber plant remain productive: |
- A. For 10 years
- B. For 20 years
- C. For 40 years
- D. For 25 years
|
| 2 |
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
|
| 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 |
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
|
| 5 |
At present, Brazil produce world's only: |
- A. 10 percent rubber
- B. 20 percent rubber
- C. One percent rubber
- D. 30 percent rubber
|
| 6 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent 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 |
In 1839 A.D., Charles Goodyear from rubber prepared: |
- A. Tyre and tube
- B. Vulcanized rubber
- C. Erasing rubber
- D. Rubber goods
|
| 9 |
Indonesia ranks in rubber production in the world: |
- A. At fifth position
- B. At 10th position
- C. At 2nd position
- D. At 20th position
|
| 10 |
From experimental rubber plantation of on hectare: |
- A. 3,335 kg rubber production is possible
- B. 1000kg rubber production is possible
- C. 500kg rubber production is possible
- D. 5000kg rubber production is possible
|
