Question # 1

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

The percentage of nitrogen in urea is.

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36%

46%

56%

65%

the percentage of nitrogen in NH3 is

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46%

60%

82%

100%

Prilling is a process in which

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Concentration of urea is increased

Water is removed from urea

Molten urea is converted to solid drop

Some other ingredients are added to urea

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

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Rose

Sun flower

Papyrus

Water

In which country first of all paper was invented

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USA

China

Egypt

Germany

Which one of the following is the macronutrient for plants.

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Boron

Zinc

Calcium

Nitrogen

Which one of the following set of raw material is most suitable for manufacture of urea.

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CH4, N2 and CO2

H2, N2 and CO

H2,CO2 and H2O

H2O, N2 and H2

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

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

Micronutrients are required in quantity ranging from

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4g-40g

6g-200g

6kg-200kg

4kg-40kg

Woody raw material for paper pulp is obtained from

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Cotton

Bagasse

Poplar

Rice straw

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

One of following is argillaceous material

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Marble

Clay

Lime

Marine Shell

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

The nitrogen present to some fertilizers helps plants to

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Fight against diseases

Produce fat

Undergo photosynthesis

Produce protein

The macro nutrients are required in ranging from

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5 kg to 200 kg

5 kg to 200 g

6g to 200 g

1 kg to 100 kg

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

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Rose

Sun flower

Papyrus

Water Hyacinth

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