Question # 1

Lysosomes were discovered by

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Palade

Porter

Dedave

De vries

If i am traveling at 90 miles per hour, how many kilometers per hour is may speed:

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108

130

144

90

Pigmentation of skin is due to

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Lymphocytes

Monocytes

Leucocytes

Melanocytes

Which of the following statements about diamond are correct?

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it is used as a gem in jewellery because of its ability to reflect light

it is used for cutting glass, marble stones and other hard materials

it is used for drilling of rocks

All are correct

A starts form a place at 7 a.m with a speed of 10km per hour. B starts form the same place at 9a.m with a speed of 15 km per hour. When will B meet A?

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1 pm

3 pm

2 pm

None of these

Acute lead poisoning is also known as

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Byssinosis

neuralgia

Itai-Itai

Plumbism

A piece of metal plate with a circular hole is heated, IF the metal plate expands on heating the diameter of the hole will -

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Decrease

Increases or decrease depending on the diameter of the hole

Increase of decrease depending upon the material of the plate

Increase

In order of access the world wide wed you need?

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An internet connection, an internet service provider and browser software

A modern and browser

Both a & b

None of the above

After long periods of use , a gray spot develops on the inside of a bulb, this is because

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The tungsten filament evaporates and collects there

The heat of the bulb scorches the glass at the top

Dust inside he bub condenses on the top

Glass undergoes a change dew to the heat

Which instrument is used for measuring the specific gravity of liquids?

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Hygrometer

Hydrophone

Hydrometer

Heliscope

Foot Candle is unit of:

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Charge

Brightness

Magnetic Induction

Mass

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