Question # 1

Select the correct association:

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Oxidation -Loss of an electron

Oxidation-Gain of an electron

Reduction- Gain of an electron

Reduction-Loss of a neutron

A diner serves a lunch special, consisting of soup or salad, a sandwich, coffee or tea, and a dessert. If the menu lists 3 soups, 2 salads, 7 sandwiches, and 8 desserts, how many different lunches can you choose? (Note: Two lunches are different if they differ in any aspect.)

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22

280

336

560

What fraction must be subtracted from the sum of 1/4 and 1/6 to have an average of 1/12 of all the three fractions ?

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1/2

1/3

1/4

1/6

Ibn Zuhr the author of al Taisir is known as

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The father of experimental surgery

The founder of Calculus

A Biographer of provincial governors

None of these

What is the greatest number of three digits which when divided by 6, 9 and 12 leaves a remainder of 3 in each case?

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975

996

939

903

The word atom is form a greek word meaning:

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Small

Indivisible

Unseen

Visible

Which famous inventor ranks second in the number of patents registered?

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Thomas alva edison

James newton

Leonardo da vinci

Jacques Cousteau

Sonar is used to measure ?

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The speed of sound

Ocean depth

Water properties of temperature

None of these

15 litres of mixture contains 20% alcohol and the rest water. If 3 litres of water be mixed in it, the percentage of alcohol in the new mixture will be

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17%

16 2/3 %

18 1/2 %

15%

Proteins are made up of

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Polynucleotide

Polypeptide

Oxyacetylene

None of these

This layer keep us not too hot in the summer and not too cold in the winter.Scientist call this the ........effect.

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Green house effect

Seasonal effect

Ocean effect

Lake effect

Those at greatest risk for food-borne illness include

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Infant and children

Pregnant women

Immunosuppressed individuals

All of above

The number of half-pound packages of tea that can be weighed out of a box that holds 10 1/2 lb of tea is

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21

20 1/2

11

10 1/2

Founder of modern astronomy was

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Archimedes

William gilbert

Nicolas copernicus

Michael faraday

What decimal of an hour is a second ?

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.0025

.0256

.00027

.000126

A material with high elasticity

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Does not return to its original shape upon being stretched and the released

Return as close as possible to its original shape upon being stretched and then released

Can be stretched to infinite

None of these

The planet Mercury completes one rotation around the sun is

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88 days

365 days

98 days

60 days

RAM of a computer is refers to:

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Read access memory

Right acces memory

Random acces memory

None of these

6 2/3 % expressed as a fraction in its lowest term is

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2/15

1/15

3/20

None of these

Who was the first scientist credited with pointing out that certain gases could cause a green house effect?

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Jhon Tyndall

Charles Darwin

Roger tory peterson

Stephen jay gould

Fiesh eater are called:

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Omnivores

Carnivores

Herbivores

Seavengers

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