Question # 1

What happens when light hits a shiny or smooth surface.

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It is disappeared

It is refracted

It is absorbed

It is reflected

During a chemical reaction, total mass of the product is equal to the total mass of reactants, this is a statements of.

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Law of conservation of momentum

Law of conservation of energy

Law of conseration of mass

Law of conseration of acceleration

An electric circuit is the path along whihc.

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Electron revolve around the nucleus of an atom

Electric charge flows.

Magnetic lines of force move

Electric motors move

Who was the first whihc explore the electromagnetic effect.

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Micheal faraday

George Simon Ohm

Coulomb

Hans Oested

Mass number is number of.

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Protons

Neutrons

Both a and b

Electrons

A non - metal

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Na

Li

H

Be

A process by which a cell divides into two daughter cells.

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Life Cycle

Cell division

Cell Cycle

Alternationof generation.

In nerve impulse in created in.

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Sensory neron

Spinal cord

PNS

CNS

One milli ampere is equal to.

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100 micro Ampire

1000 micro Ampire

10 micro Ampire

1 micro Ampire

All parts of the nervous system. i.e. brain , spinal cord and nerves are made up of.

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CNS

PNS

Neurons

Nerve impulses

The colour of eyes in an organism is controlled by a.

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Egg

Zygote

Chromosomes

Gene pair

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