Question # 1

Operation " 2+3" in computer performed by.

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CU

CPU

ALU

None of these

The Country which launched space station Mir into space:

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France

British

America

Russia

Which of the following is used as rectifier;

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semi - conductor diode

resistors

capacitors

Germanium

The number of hydrogen isotopes;

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3

2

8

10

The country, whihc launched its artificial satellite into space for the first time is

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America

France

Russia

Pakistan

Which of the following is a natural fiber:

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Teflon

Cotton

Acrylic

Nylon

Production of electricity with help of high tides is called.

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Tidal power

Tharmal power

Wind power

Geothermal power

the test that measures the electrical activity of the heart:

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E.C.G (Electrocardiogram)

E.E.G (Electroencephalography)

M.R.I (Magnetic resonance imaging)

Angiography

In 1989 "SUPARCO" establshed an earth station at.

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America

London

Rawat

England

Laser is used toproduce three -Dimensional image called.

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Holograms

Holography

Lithotropsy

Radioactive elements

Bagasse is used as in.

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Sugar mills

Cattle feeds

Alcohol

Cotton textile

The device use to store electric current:

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Fuse

Switch

Resistor

Capacitor

Which radiation have zero mass number

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Alpha radiation

Beta ratiation

Gamma radiation

None of these

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