Question # 1

The basic particle of an element is called.

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Compound

Mixture

Atom

None of these

The organisms upon whihc a redator feeds are called.

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Prey

Carnivores

Herbivores

Producers

Genetically modified organisms are used to produce.

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Insulin

Vaccines

Protein

Insulin and Vaccines

The king of chemiclas is

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KOH

HCl

NaCl

H2SO4

The age of milky way Galaxy is about.

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13.6 billion years

13.4 billion years

13.5 billion years

13.7 bilion years

A microphone converts mechanical wave energy into.

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Video signals

Ausio and video signals

Audio signals

None of these

Which type of image is formed in Plane Mirror.

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Real

Real and virtual

Virtual

None of these

An electric current in a conductor is ude to the flow of.

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Positive ions

Negative ions

Positive charge

Free electrons

The SI unit of pressur eis.

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Watt

Joule

Pascal

Newton

The poisonous and harmsful substances which make the air unfavorable for life are called.

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Solid pollutant

Air pollutant

Water pollutant

Acid Rain

Genes are located on

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Chromosomes

Nucleus

Centrosomes

Cell membrane.

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