1 |
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
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2 |
Indonesia ranks in rubber production in the world: |
- A. At fifth position
- B. At 10th position
- C. At 2nd position
- D. At 20th position
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3 |
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
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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
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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
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6 |
At present, world's 80 percent natural rubber is produced in: |
- A. South-east Asia
- B. Sri Lanka
- C. Brazil
- D. African countries
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7 |
The continent of Africa produces world's: |
- A. 6 percent rubber
- B. 20percent rubber
- C. 50percent rubber
- D. 10percent rubber
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8 |
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
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9 |
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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10 |
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
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