Question # 1

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

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250 plants

100plants

500plants

1000plants

At present, Brazil produce world's only:

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10 percent rubber

20 percent rubber

One percent rubber

30 percent rubber

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

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Kew Gardens

LawrenceGardens

WahGardens

MayoGardens

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

Native country of Hevea brasiliensis plant is:

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Nigeria

Congo

Brazil

Zambia

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

For best propagation of natural rubber plant:

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80°F(27°C) temperature is best suitable

100°F temperature is suitable

50°F temperature is suitable

32°F temperature is suitable

Natural rubber plant remain productive:

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For 10 years

For 20 years

For 40 years

For 25 years

In 1823, Charles Macintosh established a rubber plant:

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For manufactured water-proof cloth

For manufactured tyre & tube

For manufactured rubber balls

For manufactured rubber goods

For rubber plantation, trees and planted apart:

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One meter

5 meters

10 meters

20 meters

Major source of natural rubber is:

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Hevea brasiliensis plant

Para rubber plant

Acacia plant

Palm plant

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