Question # 1

Fuel used in a Fast Breeder Reactor is:

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Uranium oxide

Uranium plutonium carbide

Uranium thorium oxide

Uranium plutonium oxide

Uranium is best used as nuclear fuel in one of the following forms:

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U 235

U 237

U 238

None of these

One of the main function of the earth 's ozone layer is to

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Prevent global warming

Filter out ultraviolet rays

Absorb pollution

All of the above

The value of √2 up to three places of decimal is:

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1.410

1.412

1.413

1.414

One of these scientist formulated basic laws of geometry:

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Pythagoras

Archimedes

Aristotle

None of these

Which refrigerant is commonly used in cold storage in our country

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Ethylene

carbide

Liquid ammonia

Sodium benzoate

Cell theory was proposed by

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Beadle and Tatum

Robert Hook

Schwann and Schleiden

Antony van Leeuwenhoek

Humidity is measured with a

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Barometer

Thermometer

Hygrometer

None of these

Dry ice is

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Methane hydrate

Liquid nitrogen

Solid Carbon dioxide

Frozen water

Optical fiber operates on the principle of:

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Tyndall

Photoelectric effect

Last technology

Total internal reflection

Which colour of heat radiation represents the highest temperature?

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Blood red

Dark cherry

Salmon

White

Radar receives waves called

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Electromagnetic waves

Mechanical waves

Radio waves

None of these

A jar has 5 marbles, 1 of each of the colours red, white, blue, green, and yellow. If 4 marbles are removed form the jar, what is the probability that the yellow one was removed ?

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1/20

1/5

1/4

4/5

5/4

Night vision is possible with the help of:

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red light

violet light

Infra red light

none of these

The use of antibiotic is a very effective way of killing disease causing bacteria. some time people do not finish all of their pills. this can result in

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Some bacteria is left unkilled

Production of more bacteria

Bacteria becoming sensitive to antibiotics

Bacteria becoming resistance to antibiotics

Which among the following substances is used as a lubricant?

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Quartz

Silica

Graphic

Nickel

Humming bird belong to a category called:

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Ectotherm

Endotherm

Exotherm

Hetrotherm

Find the greatest number which will divide 25, 73 and 97 so as to leave the same remainder in each case.

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12

18

24

32

Eugenics is the study of:

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altering human beings by changing their genetics components

People of european region

Different races of mankind

Genetics of plant

The sum of kinetic energy and potential energy of an oscillating body is

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Maximum in the beginning

Constant at all points

Maximum at midway of the path

Minimum in the beginning

Who invented polio vaccine?

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Albert Sabin

Burkholder

Luise Pasture

Jonas Salk

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