Question # 1

-------------------- is/are used to coat the backside of the mirror.

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Silver

Copper

Aluminium

Silver and Aluminium

The colour of hottest star is

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Red

Yellow

Blue

White

Nucleus is a part of cell, which ................ the whole cell actively.

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Operate

Control

Observe

Functionale

The formula of find the magnitude of current is.

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I = Q/t

I = QV

I = CV

I = C/Q

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

6th period in periodic table contains elements.

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2

8

16

32

Bases react with acids to form water and........

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Hydrogen ions

Ammonia

Salt

Hydroxide ions

Genetically modified organisms are used to produce.

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Insulin

Vaccines

Protein

Insulin and Vaccines

Which of the following is magnetic substance.

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Glass

Marble

Gold

Cobalt

The relation R = V/I is discovered by a

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American scientist

German scientist

British Scientis

Russian scientist

GPS means

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Global pure system

Global positioning system

Global positioning satellite

Global pure satellite

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