Question # 1

A mixture of salt and sand can be separated by:

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Dissolving in water

Sublimation

Gravity separation

Nome of these

Which metal is used in storage batteries?

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Iron

Lead

Copper

Tin

Which of the following countries is a landlocked country?

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Uruguay

Pakistan

Austria

All of above

Nobel Prize was started after the name if Alfred Nobel who invented:

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Aeroplane

Telephone

Dynamite

Safety lamp

The instrument used for measuring relative humidity in air is:

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Pantograph

Hygrograph

Hydrograph

Barograph

Temperature in human beings is controlled by:

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Pituitary gland

Adrenal gland

Hypothalamus gland

Thyroid gland

Days and nights are caused by:

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Rotation of the earth on its axis

Revolution of the earth around the sun

Inclination of the earth's axis

None of these

What is it called when the sun is blocked out by the Moon's shadow?

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Lunar eclipse

Earth eclipse

Solar eclipse

Partial eclipse

The smallest ocean in the world is:

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Atlantic ocean

Indian Ocean

Pacific Ocean

Arctic Ocean

The light coming from stars gives the idea of their:

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Size

Rotational speed

Mass

Density

The most abundant metal in the earth's crust is:

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Zinc

Copper

Silicon

Iron

Life appeared about:

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2.6 billion years ago

3.6 billion years ago

4.5 billion years ago

5.5 billion years ago

Which of the following gases in the atmosphere provides a shield against a harmful ultraviolet ray at the sun?

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Carbon monoxide

Ozone

Oxygen

Nitrogen

Bleaching powder is made from:

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Sulphur dioxide

lime and chlorine

Bauxite

Soda ash and lime

What is measured by metre per second?

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Acceleration

Velocity

Speed

Aeroplane's speed

Antarctica is classified as a desert. How big is the desert?

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8.95 million square km

7.25 million square km

12.1 million square km

14 million square km

Estrogens are secreted by:

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Ovary

Stroma

Follicle cells

Thoracic cavity

Which of the following is called a strategic metal?

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Silicon

Germanium

Titanium

Uranium

What river separates the Libyan Desert from the Nubian?

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Nile

Orange

Zambezi

Vaal

According to definition of deserts, which desert is the largest in the world?

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Antractica

Gobi, Mongolia/northern China

Shahra, northern Africa

Kalahari, southwestern Africa

Which branch of science includes all life science e.g. anatomy,physiology,cytology,zoology,ecology,etc?

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Biology

Biotechnology

Histology

Biography

The enzyme that converts glucose to ethyl alcohol is:

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Diastase

Zymase

Maltase

Invertase

Wisdom teeth normally grow during the age of:

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17-30 years

12-15 years

30-40 years

40-45 years

Which one of the following is used for measuring the speed of wind?

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Hygrometer

Barometer

Anemometer

Thermometer

Ounce is equal to:

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437.5 grains

16 drams

Both a and b

None of these

Stainless steel is an alloy of:

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Iron,carbon and nickel

Iron,chromium and nickel

Iron and manganese

Iron and zinc

Food is mainly digested in:

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Liver

Large intestine

Small intestine

Mouth

What is the official language of Haiti?

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Spanish

English

Dutch

French

Decibel is the unit used for:

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Speed of light

Intensity of sound

Intensity of heat

None of these

The chief production in region having black soil is--

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Cotton

Rice

Wheat

Tea

One of the youngest sciences of the 20th century which deals with production,control and application of very low temperature is called:

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Cryptography

cryogenics

acarology

none of these

What does the surface of Mercury look like?

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Molten lava

Cratered like our Moon

Mercury has no visible surface

Gas clouds

Which planet look reddish in the night sky?

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Mercury

Mars

Jupiter

Saturn

Mercury thermometer was invented by:

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newton

galileo

priestly

fahrenheit

The scientist credited with the discovery of noble gases is:

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Rutherford

Cavendish

McDonald

None of these

Comets revolved around:

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Earth

Sun

Venus

No single heavenly body

How many millimetres constitute one centimetre?

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10 millimetres

15 milliemetres

12 millimetres

20 millimetres

Greenwich Mean Time is the local time of:

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180 degree longitude

80 degree west longitude

0 degree longitude

80 degree East longitude

Which is called the Valley of Ten Thousand Smokes?

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Texas

Alaska

California

None of these

What are metal bearing rocks called

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Metalloids

Slag

Bitumen

Ores

Which of the following diseases is regard as most fatal?

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Tuberculosis

Yellow fever

Leukemia

Typhoid

In what state is Devil's Tower located?

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Colorado

Washington

South Dakota

Wyoming

Which one of the following countries is not in Africa?

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Kenya

Nigeria

Bolivia

Ethiopia

Which of the following planets is at the farthest distance from the earth?

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Neptune

Mercury

Mars

None of these

Greenhouse effect will lead to

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An increase in Oxygen Production

Greater rainfall

Decrease in atmospheric pressure

An increase in the temperature

Which of the following planet is dropped from the list of planets in 2006?

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Neptune

Mercury

Pluto

Jupiter