| 1 |
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
|
| 2 |
In the beginning Natural rubber plant was discovered: |
- A. In the Amazon river basin
- B. In the Ganges river basin
- C. In the Mississippi river basin
- D. In the Congo river basin
|
| 3 |
Most of 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
|
| 4 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent rubber
|
| 5 |
In 1839 A.D., Charles Goodyear from rubber prepared: |
- A. Tyre and tube
- B. Vulcanized rubber
- C. Erasing rubber
- D. 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 |
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
|
| 8 |
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
|
| 9 |
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
|
| 10 |
When did natural rubber production started in Sri Lanka (Ceylon)? |
- A. 1900 A.D
- B. 1850A.D
- C. 1880A.D
- D. 1857A.D
|
