Question # 1

Phosphorous helps the growth of

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root

leave

stem

seed

In Pakistan, the total consumption of paper per person per year is.

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2 kg

5 kg

7 kg

10 kg

Usually the percentage of moisture is paper is

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1- 3%

4-6%

6-8%

5%

Which one of the following is inorganic fertilizer.

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Manure

Urea

Ammonium nitrate

All of these

During pulp making, the pH of digester is maintained at.

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1-2

3-5

6-8

7-9

Micronutrients for plant are those which

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Are required in very large amount

Are required in very small amount

Are produced from plants in very small amount

Retard the growth of plants

Which is not a calcarious material.

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Lime

Clay

Marble

Marine shell

Which nitrogen fertilizer make the soil acdic.

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Calcium nitrate

sodium nitrate

Potassium nitrate

Ammonium nitrate

Micronutrients are required in quantity ranging from

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4g-40g

6g-200g

6kg-200kg

4kg-40kg

One of following is argillaceous material

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Marble

Clay

Lime

Marine Shell

Ammonia is prepared industrially by

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Contact process

Ostwald process

Birkland Eyed process

Heber process

The word paper is derived from the name of which reedy plant

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Rose

Sun flower

Papyrus

Water Hyacinth

Cement is a mixture of

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Clay and clinker

Clay, lime stone and gypsum

Lime stone and gypsum

Lime stone and clay

During the manufacturing process of cement the temperature of the decomposition zone goes up to.

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600 ^oC

900 ^oC

1000 ^oC

1200 ^oC

How many zones through which the charge passes in a rotary kiln

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4

3

2

5

Micro nutrients are required in quantity ranging from

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4 g - 40 g

6 g -200 g

6kg - 200 kg

4 kg - 40 kg

Potassium fertilizers are especially useful for

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Tobacco

Coffee

Potato

All of these

The temperature of digester is main tained at

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100^oC

160-180^oC

200^oC

200-240^oC

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