Question # 1

which of the following is the invention of Jarvik?

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Photography

photoohone

artificial heart

Colours photos

The largest source of pollution in the world in:

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Industrial effluents

Sewage and garbage

Automobile exhausts

Herbicides and insecticides

Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to:

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Producers

Decomposers

Consumers

None of these

The study of heavenly bodies is known as:

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Astrology

Astrophysics

Astronomy

Geophysics

Which country's name used to be the United Arab Republic and what is the current name for this country?

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Morocco

Egypt

Algeria

Libya

Insulin is a peptide hormones produced by:

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Pituitary gland

Thyroid Gland

Pancreas

None of these

Combustion is the process in which:

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Heat is produced

Heat and light are produced

Light is produced

None of these

Lines joining places receiving equal amount of rainfall are called:

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Isohalines

Isobars

Isotherms

Isohyets

Pampero is

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A cold wind which prevails in Argentine and Uruguay

A low pressure area in Ecuador

A moisture laden wind

A high pressure areas

What do we call the tubes that carry blood away from the heart?

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Arteries

Intestines

Veins

None of these

It is the point in the Earth's orbit when it is closest to the Sun (147.5 million km) and it occurs on the 3rd or 4th of January is called

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Latitude

Solar time

Perihelion

Aphelion

Which type of cells has no nucleus?

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Red Blood cells

Nerve cells

White blood cells

None of these

The first Operational compound microscope was developed by:

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Robert Hooke

Robert Brown

Rutherford

None of these

Goitre is caused by the deficiency of:

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ZInc

Iodine

Chlorine

Iron

This ancient city was the capital of the Eastern Roman Empire and later the Byzantine Empire.

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Constantinople

Carthage

Istanbul

Ur

Which of the following does not provide carbohydrates?

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Fish

Cheese

Butter

Spinach

The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to:

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Clouds

Water bodies

Snow areas

None of these

The study of the mechanical, physical, and biochemical functions of living organisms is called what?

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Taxonomy

Hematology

Thermodynamics

Physiology

The lowest layer of atmosphere is known as:

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Stratosphere

Troposphere

Mesosphere

None of these

Which is the longest river in Europe?

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Danube

Volga

Dnepr

Thames

What line of latitude lies at 0 degrees?

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Parallels

Grids

Equator

Meridians

The main asteroid belt is between the planets

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Jupiter and Saturn

Mars and Jupiter

Earth and Mars

Mercury and Mars

Which of the following is used in pencils?

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Silicon

Charcoal

Graphite

Phosphorus

Herbicides are used for the elimination of:

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Insects

Weed

Pests

Ringing

Diamond is an allotropic form of:

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Silicon

Carbon

Sulphure

Germanium

The primary rainbow has an angular radius of:

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42°

25.5°

30.5°

50.5°

A defect in eye lens due to dispersion of light is called:

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Myopia

Chromatic aberration

Spherical aberration

None of these

How many millimetres constitute one centimetre?

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10 millimetres

15 milliemetres

12 millimetres

20 millimetres

Which tree produces flowers first, then leaves?

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Redbud tree

Apple tree

Tulip tree

Locust tree

The International Date-line makes slight deviation from 180° meridian so that it:

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Divides the land masses under the same administration

Does not divide the Bering Strait

Does not divide a group of islands under the same administration

Divides the pacific ocean into two equal halves

In which country of Europe is located the active volcano of Vesuvius?

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Italy

Norway

France

Germany

What South American city is the world's highest national capital?

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Lima

Sao Paulo

La Paz

Montevideo

Which of the following is biodegradable?

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Paper

D.D.T

Aluminium

Plastic

Which part of Australia receives rain throughout the year?

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Western part

Eastern part

Southern part

Northern part

Which of the following is a warm current?

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South Pacific current

Kuroshiwo current

Labrador current

Rip current

Mammals are:

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Warm-blooded

Clod-blooded

Both (a) and (b)

None of these

Which country is east of Lebanon?

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Iraq

Jordan

Syria

Turkey

What are soaps?

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Sodium or potassium salts of heavier fatty acids

Salts of silicates

Sodium or potassium salts

Mixture of glycerol and alcohol

Which is the largest island (area) of the Mediterranean Sea?

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Sardinia

Sicily

Corsica

Crete

The earth rotates from:

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East to West

North to South

South to North

West to East

What is the only Spanish-speaking country in Africa?

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Angola

Sierra Leone

Equatorial Guinea

Gabon

Which of the following is used as a coolant in nuclear reactors?

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Heavy water

Liquid sodium

Cadmium

Graphite

"Seattle" is the seaport of which country?

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Germany

Canada

China

USA

How much blood does an average adult have in the body?

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3-4 litres

4-5 litres

5-6 litres

6-8 litres

London is situated on bank of river:

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Delaware River

Nile River

Thames River

None of these

Iron is present in the blood in the form of a:

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Free salt

Compound

Complex

Mixture