| 1 |
In 1839 A.D., Charles Goodyear from rubber prepared: |
- A. Tyre and tube
- B. Vulcanized rubber
- C. Erasing rubber
- D. Rubber goods
|
| 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 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent rubber
|
| 4 |
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
|
| 5 |
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
|
| 6 |
Natural rubber plant remain productive: |
- A. For 10 years
- B. For 20 years
- C. For 40 years
- D. For 25 years
|
| 7 |
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
|
| 8 |
In the world, largest producer of rubber is: |
- A. Thailand
- B. Indonesia
- C. Malaysia
- D. India
|
| 9 |
Native country of Hevea brasiliensis plant is: |
- A. Nigeria
- B. Congo
- C. Brazil
- D. Zambia
|
| 10 |
U.S.A consume world's: |
- A. 50 percent natural rubber
- B. 25percent natural rubber
- C. 70percent natural rubber
- D. 80percent natural rubber
|
