Question # 1

Which of the these are parts of your immune system?

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Red blood cells

Lymphocytes

Veins

None of these

Who discovered the fourth closest start to the sun?

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William Herschel

John Herschel

Heinrich D'

Edward Barnard

The molecules responsible for storing the genetic code are

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DNA

RNA

Protein

Chromosome

Who invented the first practical steam engine?

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Edison

Simpson

Ford

Watt

The blue color of the water the in the sea is due to:

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Refraction of the blue light by the impurities in sea water

Absorption of other colours except the blue colour by water molecules

Scattering of blue light by waters molecules

Deficiency during pergnancy id associated with birth defects such as neural tube defects:

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Vitamin B9

Vitamin B5

Vitamin B3

Vitamin B6

Who invented ice cream?

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Eskimos

Europeans

Americans

Chinese

Which type of reaction produces the most harmful radiation

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Fusion reaction

Chemical reaction

Fission reaction

Photo-chemical reaction

Which of these is not an enzyme natural of artificial, that is used for medicinal or research purposes?

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Ribonuclease

Urease

Stomach gastrin

L -asparaginase

Which of these metals is magnetic?

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Copper

Cobalt

Zinc

Aluminum

An instrument with winch we can reproduce the sound record by a suitable recording apparatus is called

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Fathometer

Galvanometer

Gramophone

Gravimeter

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