Question # 1

Indonesia ranks in rubber production in the world:

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At fifth position

At 10th position

At 2nd position

At 20th position

In one year, for how many days, rubber plant producer rubber ?

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100 days

50 days

200-300 days

throughout the year

Hevea brasiliensis plant provide world's:

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50 percent natural rubber

95 percent natural rubber

One-third percent natural rubber

Small amount of natural rubber

For best vegetative growth of natural rubber plant:

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There is not any need of rainfall

Small amount of rainfall is enough

70-100 inches rainfall is needed

Only 30 inches rain-fall is enough

Major source of natural rubber is:

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Hevea brasiliensis plant

Para rubber plant

Acacia plant

Palm plant

Most of natural rubber production in the world is being used:

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For manufacturing water-proof cloth

For manufacturing tyre & tube

For manufacturing toys

For manufacturing utensils

Most of the natural rubber production in the world is being used:

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For manufacturing water proof cloth

For manufacturing tyre & tube

For manufacturing toys

For manufacturing utensils

Hevea brasiliensis's smuggled rubber seeds from Brazil were propagated in London' s:

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Kew Gardens

Lawrence Gardens

Wah Gardends

Mayo Gardens

From experimental rubber plantation of on hectare:

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3,335 kg rubber production is possible

1000kg rubber production is possible

500kg rubber production is possible

5000kg rubber production is possible

When did natural rubber production started in Sri Lanka (Ceylon)?

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1900 A.D

1850A.D

1880A.D

1857A.D

For propagation of rubber plant:

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Equatorial warm-humid climate is suitable

Desert climate is suitable

Monsoon climate is suitable

Sudani climate is suitable

In 1839, Charles Goodyear from rubber prepared:

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Tyre and tube

Vulcanized rubber

Erasing rubber

Rubber goods

In one hectare, how many rubber plants can be planted ?

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250 plants

100plants

500plants

1000plants

From Malaysia, first time rubber export started in:

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1870 A.D

1905 A.D

1900 A.D

1920 A.D

When did regular rubber export started from South America-Brazil ?

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1750 A.D

1852 A.D

1857 A.D

1900 A.D

Hevea brasiliensis plant provide world's

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50 percent natural rubber

90 percent natural rubber

One-third natural rubber

Small amount of natural rubber

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