Question # 1

Science attempts to

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Explain how the universe works by discovering the laws regulating everything around us

use discovered laws to engineer new devices

Both A and B

None of these

An eclipse of the sun occurs when

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The moon is between the sun and the earth

The sun is between the earth and the moon

The earth is between the sun and the moon

None of these

A person standing in front of a mirror finds his image smaller then him and erect. This implies that the mirror is:

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Plane

Concave

Convex

Note of good quality

The efficiency of a machine is

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Always grater then 100%

Always less then 100%

Always 100%

None of these

The fraction for 0.535353..... is

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26/53

27/53

28/53

53/99

Simplify: 3/10 + 3/7 of (2 3/10 + 2 3/5) +1/5 + 1 2/5 - 2/7

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1

2

0

3

Dry ice is

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Methane hydrate

Liquid nitrogen

Solid Carbon dioxide

Frozen water

Light year is related to:

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Time

Distance

Energy

Speed

Which of the following planets rotates clock wise?

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Mars

Jupiter

Venus

Mercury

Sonar is used to measure ?

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The speed of sound

Ocean depth

Water properties of temperature

None of these

Lactometer is a type of Hydrometer which is used to measure the specific gravity of:

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Honey

Water

Milk

Olive oil

Arthur C Clark the famous science fiction author while working as a radio operator in the World War -H

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Proposed building a space elevator from carbon mono filaments

Postulated the existence of extra terrestrial artifacts on the moon

Proposed that a network of satellite in stationary orbit at very high altitudes around the earth be used to bounce communication signals al over the world

none of these

One of the countries through which equator is passes is:

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Kenya

Malaysia

Malta

Pakistan

The famous book; AL-Qanoun was written by the muslim scientist:

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Jabber bin Hayyan

Zakariya Al- razi

Abu ali sina

Abul Qasim majreet

The L.C.M. of two number is 12 times their H.C.F. the sum of the H,C,M, and L,C,M, is 403 . if one number is 93 then the other number is

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134

124

128

110

Boiling of an egg is a change which is:

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Physical

Chemical

Physiological

Morphological

Sun rises in the east and sets in the west due to the:

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Shape of earth

Rotation of earth around the sun

Rotation of earth on its axis

Movement of the sun

Find the cube root of 15.625

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3.5

2.5

4.5

5.5

The beta particle are fast moving

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Protons

Electrons

Neutrons

None of these

When a ray of of sunlight enters a dark room, its straight path become visible because of dust particles hanging in the air, it is because light is;

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Visible

Transparent

Invisible

Opaque

Which refrigerant is commonly used in cold storage in our country

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Ethylene

carbide

Liquid ammonia

Sodium benzoate

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