Question # 1

A piece of metal feels hotter than a piece of wood in summer because

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Metal expands more than wood

Our body is cooler than metal but warmer than wood

Metal is better conductor of heat than wood

Metal gets hotter than wood

Newton is a unit of:

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Force

Acceleration

Work

Energy

Atomic number is equal to

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number of protons

number of electrons

number of neutron

total number of protons and natural

Which organ of body id affected by typhoid?

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Spleen

Intestine

Lungs

Liver

Who invented the process to efficiently process iron ore into steel:

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Bessemer

Whitney

Smithers

Anderson

Which of the astronomer first discovered the sunspots of the Sun?

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William Herschel

Edwin Hubble

Euclid

Galileo Galilei

The wire having a black plastic cover is a

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live wire

natural wire

earth wire

none of these

The geological and chemical study of rocks is called?

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Thermodynamics

Taxonomy

Hematology

Petrology

Light travels in optical fiber irrespective of its sharp because it is a device by which single can be transferred form one location to another. It is based on the phenomenon of:

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Total internal reflection of light

Diffraction of light

Polarization of light

Refraction of light

Elmer A. Sperry is famous for invention of:

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Hydraulic turbine

Hydroplane

Gyrocompass

Compass

Cockroach cannot survive in the water because it's respiratory organ is?

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Gill

Book lung

Trachea

Puimonary Sac

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