#1. Silicon carbide(SiC) is known as:

Quartz

Tridynite

Corundum

Carborundum

#2. Haem is the important biologically in the myoglobin which is used to store:

Nitrogen in muscles

Chlorine in muscles

Oxygen in muscles

Carbon dioxide in muscles

#3. Fly ash is environment pollutant produced by:

Thermal power plant

Oil Refinery

Fertiliser Plant

Strip mining

#4. Shallow lake with rich organic products are called:

Heterotrophic

Eutrophic

Mesotrophic

Oligotrophic

#5. Rusting of iron is:

An electrochemical process

A photochemical process

An electroanalytical process

All of the above

#6. The urine sample of a diabetic patient contains

Sucrose

Fructose

Glucose

All of the above

#7. The quality of diesel oil for use in diesel engines is determined by:

The composition of the oil

The octane number

Cetane number

The amount of additive added

#8. Which of the following is used as moderators in nuclear reactors?

Graphite

Paraffin

Heavy water

All of the above

#9. Which of the following is not a natural polymer?

Wool

Silk

Cotton

Teflon

#10. When mild steel is heated to a high temprature and suddenly cooled in water, it becomes hard and brittle. The process is called:

Hardening

Annealing

Quenching

Tempering

#11. A polymer which is used for making ropes and carpet fibres is:

Polyacetylene

Polypropylene

Polyacrylonitrile

PVC

#12. The bleaching action of chlorine occurs in the presence of:

Moisture

Sunlight

Pure oxygen

Pure sulphur dioxide

#13. The Production of most metallic minerals is affected by each of the following, except:

Distance to the market

Quantity available

Richness of the ore

Weight of the ore

+917649911100

HPAS Previous Year Question Paper 2012 -Science

Results

#1. Silicon carbide(SiC) is known as:

#2. Haem is the important biologically in the myoglobin which is used to store:

#3. Fly ash is environment pollutant produced by:

#4. Shallow lake with rich organic products are called:

#5. Rusting of iron is:

#6. The urine sample of a diabetic patient contains

#7. The quality of diesel oil for use in diesel engines is determined by:

#8. Which of the following is used as moderators in nuclear reactors?

#9. Which of the following is not a natural polymer?

#10. When mild steel is heated to a high temprature and suddenly cooled in water, it becomes hard and brittle. The process is called:

#11. A polymer which is used for making ropes and carpet fibres is:

#12. The bleaching action of chlorine occurs in the presence of:

#13. The Production of most metallic minerals is affected by each of the following, except:

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