Question # 1

The metal barium is used in

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Checking blood groups

Taking x-rays of the alimentary canal

Taking x-rays of the brain

None of these

In 1803m John Dalton proposed that all substances are composed of small, dense, indestructible particles known as what?

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Molecules

Tic - Tacs

Daltons

Atoms

In a given academy, 720 of the 960 new students will study will study arithmetic during their first year, what percentage of the new students will study arithmetic during their first year?

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25%

50%

75%

100%

Who proved value of the quantum theory?

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James Frank

Lee De Forest

Walter S.Reed

Josiah Gibbs

The are currently how many periods on the periodic table?

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9

6

7

8

The first psychotropic drug was:

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Lithium

Temazepam

Prozac

imipramine

Out of 100 families in the neighborhood 50 own radios 75 have TVs. 25 have VCRs. Only10 families have all the three and each VCR owner also has a TV a families have radio only many have only TV?

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30

35

45

40

At present, father's age is 4 times his son's age if 5 years back , father's age was 354 years, What is son' s present age in years?

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10

12

15

20

What did Copernicus study at her University of Krakow?

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Canon Law

Physics

Math & Optics

Astronomy

How many teeth Adults have?

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22

36

32

28

Ozone hole was firs been discovered in 1980s, by the British scientist over

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Artick region

Polar region

Antarctica

Tropical Region

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