Question # 1

Which instrument is used of measuring arterial blood-pressure.

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Sphygmomanometer

Sphygmophone

Spirograph

son meter

Which instrument is used to measure the refractive index of a substance?

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Radiometer

Ombrometer

Refrectometer

Rain gauge

Convex lenses are used for the correction of:

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Long-sightedness

Short-sightedness

Cataract

None of these

For lubricating roller bearing.Lubricant generally required is

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Semi-solid

Solid

Liquid

None of these

Osteology is the study of bones, what is Palaeontology?

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Study of eyes

Study of fossils

Study of snakes

Many plants join up to from forests and forest help us in may ways, Pick out the major use(s) of forests form the following.

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They provide food

They provide wood

Both of these

Neither of these

The measurement of rainfall is made by an instrument known as?

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Radiometer

Ombrometer

Refrecometer

Rain gauge

Who made the first accurate estimate of the size of the Milky way galaxy?

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Fred Whipple

Edwin Hubble

Hariow Shapley

George Hale

Three dimensional image formed by laser is called:

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Photography

Hologram

Two Dimensional

Photocopy

The first computer virus was created in the 1790s at?

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Bell Laboratories

IBM Laboratories

HP laboratories

Dell Laboratories

Different Between the compound interest and simple interest accrued in 2 years at principle amount?

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4000

20000

40000

13000

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