| 1 |
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
|
| 2 |
When did natural rubber production started in Sri Lanka (Ceylon)? |
- A. 1900 A.D
- B. 1850A.D
- C. 1880A.D
- D. 1857A.D
|
| 3 |
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
|
| 4 |
Annual rubber production of the world is about: |
- A. More than 100 million tons
- B. 11.966 million metric tons
- C. 50million metric tons
- D. 200million metric tons
|
| 5 |
British explorer Sir Henry Wickham in: |
- A. 1876 A.D smuggled rubber seed in U.K
- B. 1820 A.D smuggled rubber seeds
- C. 1750 A.D smuggled rubber seed in U.K
- D. 1900 A.D smuggled rubber seed
|
| 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 the world, largest producer of rubber is: |
- A. Thailand
- B. Indonesia
- C. Malaysia
- D. India
|
| 8 |
At present, Brazil produce world's only: |
- A. 10 percent rubber
- B. 20 percent rubber
- C. One percent rubber
- D. 30 percent rubber
|
| 9 |
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
|
| 10 |
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
|
