Question # 1

What system our brains is in?

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Respiratory system

Circulatory system

Nervous system

Digestive system

The wire in electric fittings are earthed so that

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Electricity may not leak

There may be a smooth flow of electricity

Current may pass to the earth in case of a short circuit, without doing any harm

To prevent a short circuit

Which instrument is used for knowing approximately the North-south direction at a place?

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Compass needle

Calorimeter

Cyclotron

Crescograph

Animal meat is a good source of?

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Protein

Vitamin

CHO

Chloroplyll

Who, amongst the following was the first to observe ultra violet rays in 1801?

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William Harchel

Johann Wilhelm Ritter

William Harvey

Auguste Comte

The ore of aluminum metal is

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Cuprite

Galena

Bauxite

Zirconite

Which metal is most likely obtained by the electrolysis of its fused salt?

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Au

Ag

Li

Zn

What would we use to measure the current?

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Actimometer

Ammeter

Anemometer

Altimeter

Type of fitted fitted in a tractor is

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Paper Type

Cotton type

Oil-birth Type

Wire Type

What is a degauss?

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Creating magnetic medial

Erasing magnetic media

Both a & b

None of above

The golden age of Dinosaurs was:

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Palaeozoic

Coenozoic

Mesozoic

Proterozoic

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