Question # 1

The nitrogen present to some fertilizers helps plants to

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Fight against diseases

Produce fat

Undergo photosynthesis

Produce protein

Phosphorus helps the growth of

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Root

Leaf

Steam

Seed

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

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4

3

2

5

Which elements are needed for healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes.

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Soft

Brittle

Acidic

Colourless

The nitrogen present in some fertilizers helps plants

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to fight against diseases

to produce fat

to undergo photosynthesis

to produce protien

Which one is not an argillaceous material.

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Clay

Shale

State

Gypsum

Which nitrogen fertilizer make the soil acdic.

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Calcium nitrate

sodium nitrate

Potassium nitrate

Ammonium nitrate

Which three elements are needed for the healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

Which one of the following raw materials is not present in the cement.

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Lime stone

Gypsum

Blast furnace slag

Red lead

Which one of the following is inorganic fertilizer.

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Manure

Urea

Ammonium nitrate

All of these

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

Micro-nutrient is required in quantity for plant growth ranging from

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4-40 gm

6-200 gm

6-200 kg

4-40 kg

The word paper is derived from the name of which reed plant.

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Rose

Sun flower

Papyrus

Water Hyacinth

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

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2 kg

5 kg

7 kg

10 kg

In which country first of all paper was invented

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USA

China

Egypt

Germany

What is clinker

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Roasted calcareous material

Roasted argillaceous material

Roasted calcareous and argillaceous material

Roasted gyposum

Ammonium nitrate fertilizers is not used for which crop

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Cotton

Wheat

Sugar cane

Paddy rice

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