Question # 1

Which one of the following is the macronutrient for plants.

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Boron

Zinc

Calcium

Nitrogen

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 elements are needed for healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

Ammonium Nitrate fertilizer is not useful for

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Wheat

Cotton

Sugan cane

Paddyrice

The temperature of digester is main tained at

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100^oC

160-180^oC

200^oC

200-240^oC

Phosphorous helps the growth of

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root

leave

stem

seed

In Pakistan pulp is usually bleached with Cl2. The residual chlorine is removed from pulp by an antichlor which is

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dil HCl

dil NaOH

Water

NaCl

Ammonium nitrate fertilizers is not used for which crop

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Cotton

Wheat

Sugar cane

Paddy rice

Phosphorus helps the growth of

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Root

Leaf

Steam

Seed

The macronutrients are required in quantities ranging from

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4-40 kg per acre

10-100 kg per acre

5-100 kg per acre

5-200 kg per acre

The diameter of rotary kiln in the manufacture of Portland cement is.

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1 to 2 feet

2 to 4 feet

4 to 8 feet

8 to 15 feet

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

Woody raw material for paper pulp is obtained from

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Cotton

Bagasse

Poplar

Rice straw

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

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

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