| 1 |
The continent of Asia produces world's: |
- A. 91.5 percent rubber
- B. 50percent rubber
- C. Only 20 percent rubber
- D. 25percent rubber
|
| 2 |
In 1839, Charles Goodyear from rubber prepared: |
- A. Tyre and tube
- B. Vulcanized rubber
- C. Erasing rubber
- D. Rubber goods
|
| 3 |
In one hectare, how many rubber plants can be planted ? |
- A. 250 plants
- B. 100plants
- C. 500plants
- D. 1000plants
|
| 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 best propagation of natural rubber plant: |
- A. 80<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>F(27<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>C) temperature is best suitable
- B. 100<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>F temperature is suitable
- C. 50<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>F temperature is suitable
- D. 32<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>F temperature is suitable
|
| 6 |
At present, world's 91.5% percent natural rubber produces in: |
- A. South-east Asia
- B. Sri Lanka
- C. Brazil
- D. African countries
|
| 7 |
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
|
| 8 |
U.S.A consume world's: |
- A. 50 percent natural rubber
- B. 25percent natural rubber
- C. 70percent natural rubber
- D. 80percent natural rubber
|
| 9 |
At first British established rubber plantations in: |
- A. Ceylon (Sri Lanka)
- B. Maldives
- C. Indaman Islands
- D. Malaysia
|
| 10 |
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
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