Gudivada Somaraju Hemanth: General Knowledge

Australia was discovered by James Cook
Dublin is situated at the mouth of river Liffey
Mount Everest was named after Sir George Everest
Niagara Falls was discovered by Louis Hennepin
The biggest delta in the world is the Ganges Delta
The biggest desert in the world is the Sahara desert
The biggest island of the world is Greenland
The biggest stadium in the world is the Strahov Stadium, Prague
The capital city that stands on the river Danube is Belgrade
The city which is also known as the City of Canals is Venice
The city which is the biggest centre for manufacture of automobiles in the world is Detroit, USA
The city which was once called the `Forbidden City' was Peking
The coldest place on the earth is Verkoyansk in Siberia
The country also known as "country of Copper" is Zambia
The country called the Land of Rising Sun is Japan
The country in which river Wangchu flows is Myanmar
The country known as the Sugar Bowl of the world is Cuba
The country that accounts for nearly one third of the total teak production of the world is Myanmar
The country which has the greatest population density is Monaco
The country which is the largest producer of manganese in the world is China & South Africa
The country which is the largest producer of rubber in the world is Malaysia
The country which is the largest producer of tin in the world is China
The country which ranks second in terms of land area is Canada
The earlier name of New York city was New Amsterdam
The Eifel tower was built by Alexander Eiffel
The first Governor General of Pakistan is Mohammed Ali Jinnah
The first Prime minister of Bangladesh was Mujibur Rehman
The Gurkhas are the original inhabitants of Nepal
The highest mountain in the world is the Everest
The Japanese call their country as Nippon
The largest bell in the world is the Tsar Kolkol at Kremlin, Moscow
The largest coffee growing country in the world is Brazil
The largest Island in the Mediterranean sea is Sicily
The largest ocean of the world is the Pacific ocean
The length of the English channel is 564 kilometres
The length of the Suez Canal is 162.5 kilometers
The longest highway in the world has a length of About 8000 km
The longest highway in the world is the Trans-Canada
The longest river in the world is the Nile
The lowest point on earth is The coastal area of Dead sea
The name given to the border which separates Pakistan and Afghanistan is Durand line
The national flower of Britain is Rose
The national flower of Italy is Lily
The Red Cross was founded by Jean Henri Durant
The river Jordan flows out into the Dead sea
The river Volga flows out into the Caspian sea
The river which carries maximum quantity of water into the sea is the Amazon River
The volcano Vesuvius is located in Italy
The world's largest diamond producing country is South Africa
The world's oldest known city is Damascus
How many legs do butterflies have? 6 Legs & 2 Pair of Wings
In which sport do players take long and short corners? Hockey
John F Kennedy was assassinated by Lee Harvey Oswald
'Last Judgement' was the first painting of an Italian painter named Michelangelo
Madagascar is popularly known as the Island of Cloves
New York is popularly known as the city of Skyscrapers
Nickname of New York city is Big Apple
Paradise Regained was written by John Milton
Singapore was founded by Sir Thomas Stamford Raffles
The author of Harry Potter Books is JK Rowling
The country famous for Samba dance is Brazil
The country known as the Land of Morning Calm is Korea
The country known as the land of the midnight sun is Norway
The country known as the Land of Thunderbolts is Bhutan
The country known as the Land of White Elephant is Thailand
The earlier name of Sri Lanka was Ceylon
The famous British one-eyed Admiral was Nelson
The first black person to be awarded the Nobel Peace Prize was Ralph Johnson Bunche
The first British University to admit women for degree courses was London University
The first explorer to reach the South Pole was Cap. Ronald Amundson
The first Industrial Revolution took place in England
The first man to reach North Pole was Rear Admiral Robert E. Peary
The first Pakistani to receive the Nobel Prize was Abdul Salam
The first President of Egypt was Mohammed Nequib
The first Republican President of America was Abraham Lincoln
The first Secretary General of the UNO was Trygve Lie
The first woman Prime Minister of Britain was Margaret Thatcher
The founder of modern Germany is Bismarck
The founder of the Chinese Republic was San Yat Sen
The gateway to the Gulf of Iran is Strait of Hormuz
The highest waterfalls in the world is the Salto Angel Falls, Venezuela
The independence day of South Korea is celebrated on 15th August
The largest library in the world is the United States Library of Congress, Washington DC
The largest river in France is Loire
The most famous painting of Pablo Picasso was Guermica
The name of Alexander's horse was Beucephalus
The national flower of China is Narcissus
The permanent secretariat of the SAARC is located at Kathmandu
The person who is called the father of modern Italy is G.Garibaldi
The place known as the Roof of the world is Tibet
The port of Baku is situated in Azerbaijan
The primary producer of newsprint in the world is Canada
The principal export of Jamaica is Sugar
The Queen of England who married her brother-in-law was Catherine of Aragon
The sculptor of the statue of Liberty was Frederick Auguste Bartholdi
The UNO was formed in the year 1945
UNO stands for United Nations Organization
What do you call a group of sheep? A Flock of Sheep
Who was the youngest President of the USA? Theodore Roosevelt
World Environment Day is observed on 5th June
World literacy day is celebrated on 8th September
Adolf Hitler was born in Austria.
FAO is located at Rome and London.
FAO stands for Food and Agriculture Organization.
Ice Cream was discovered by Gerald Tisyum.
In the year 1811, Paraguay became independent from Spain.
International Civil Aviation Organization is located at Montreal.
Julius Caesar was killed by Brutus.
Montreal is situated on the bank of River Ottawa.
Napoleon suffered from alurophobia which means Fear of cats.
Slavery in America was abolished by Abraham Lincoln.
The aero planes were used in war for the first time by Italians. (14 Oct.1911)
The Angel Falls is located in Venezuela.
The busiest shopping centre of London is Oxford Street.
The city in Russia which faced an earthquake in the year 1998 was Armenia.
The city of Bonn is situated in Germany.
The city which was the capital of the ancient Persian Empire was Persepolis.
The country famous for its fish catch is Japan.
The country known as the Land of Cakes is Scotland.
The country where there are no Cinema theatres is Saudi Arabia.
The country whose National Anthem has only music but no words is Bahrain.
The cross word puzzle was invented by Arthur Wynne.
The Headquarters of textile manufacturing in England is Manchester.
The largest airport in the world is the King Khalid International Airport, Saudi Arabia.
The largest bay in the world is Hudson Bay, Canada.
The largest church in the world is Basilica of St. Peter, Vatican City, Rome.
The largest cinema in the world is the Fox theatre, Detroit, USA.
The largest gulf in the world is Gulf of Mexico.
The largest museum in the world is the American Museum of Natural History.
The largest peninsula in the world is Arabia.
The largest railway tunnel in the world is the Oshimizu Tunnel, Japan.
The literal meaning of Renaissance is Revival.
The lowest mountain range in the world is the Buena Bhaile.
The number regarded as lucky number in Italy is thirteen.
The old name of Taiwan was Farmosa.
The original meaning of 'Quiz' was Trick.
The place known as the Garden of England is Kent.
The residence of the Queen in London is Buckingham Palace.
The tallest statue in the world is the Motherland, Volgograd Russia.
The tallest tower in the world is the C. N. Tower, Toronto, Canada.
The title of Desert Fox was given to Field Marshal Erwin Rommel.
The Victoria Falls is located in Rhodesia.
The word 'Quiz' was coined by Jim Daly Irishman.
The world's loneliest island is the Tristan da cunha.
The world's tallest office building is the Sears Tower, Chicago.
UNIDO is located at Vienna.
UNIDO stands for United Nations Industrial Development Organization.
WHO (World Health Organization) is located at Geneva.
WHO stands for World Health Organization.
WMO is located at Geneva.
WMO stands for World Meteorological Organization.
Adding Machine was invented by Aldrin.
Archimedes was born in Sicily.
Disneyland is located in California, USA.
Mercury is also known as Quick Silver.
Sewing Machine was invented by Isaac M. Singer.
The actor who is considered as the biggest cowboy star of the silent movies is Tom Mix.
The Cape of Good Hope is located in South Africa.
The country that brings out the FIAT is Italy.
The country where military service is compulsory for women is Israel.
The country which built the first powerful long range rockets is Germany.
The country which has more than 10,000 golf courses is USA.
The earlier name for tomato was Love apple.
The famous ?General Motors? company was founded by William Durant.
The famous Island located at the mouth of the Hudson River is Manhattan.
The famous painting 'Mona Lisa' is displayed at Louvre museum, Paris.
The famous words 'Veni Vidi Vici' were said by Julius Caesar.
The first actor to win an Oscar was Emil Jannings.
The first animated colour cartoon of full feature length was Snow White and Seven Dwarfs.
The first country to issue stamps was Britain.
The first demonstration of a motion picture was held at Paris.
The first President of USA was George Washington.
The founder of KODAK Company was Eastman.
The founder of plastic industry was Leo Hendrik Baekeland.
The Heathrow Airport is located in London.
The Kalahari Desert is located in Africa.
The largest auto producer in the USA is General Motors.
The largest auto producing nation is Japan.
The largest city of Africa is Cairo.
The largest dome in the world is Louisiana Superdome, New Orleans, USA.
The largest oil producing nation in Africa is Nigeria.
The largest strait in the world is Tartar Strait.
The largest temple in the world is Angkor Wat in Kampuchea.
The last letter of the Greek alphabet is Omega.
The Mohenjo-Daro ruins are found in Larkand District of Sind, Pakistan.
The most densely populated Island in the world is Honshu.
The national emblem of Spain is Eagle.
The neon lamp was invented by Georges Claude.
The number of countries which participated in the first Olympic Games held at Athens was nine.
The Patagonian desert is located in Argentina.
The Pentagon is located at Washington DC.
The person known as the father of aeronautics is Sir George Cayley.
The place known as the land of Lincoln is Illinois.
The practice of sterilization of surgical instruments was introduced by Joseph Lister.
The total area of Vatican City is 0.272 square kilometers.
The two nations Haiti and the Dominion Republic together form the Island of Hispaniola.
The US state Utah is also known as Beehive state.
The White House was painted white to hide fire damage.
The world's biggest manufacturer of bicycles is Hero cycles, Ludhiana.
The world's largest car manufacturing company is General Motors, USA.
The world's oldest underground railway is at London.
History is Bunk" was said by Henry Ford.
Coal is also known as Black Diamond.
'Man is a Tool Making Animal' was said by Benjamin Franklin.
Prado Museum is located in Madrid.
The Atacama Desert is located in North Chile.
The chemical name of laughing gas is Nitrous oxide.
The first Boxer to win 3 gold medals in Olympics was Laszlo Papp.
The first cross word puzzle in the world was published in 1924 by London Sunday Express.
The first Emperor of Germany was Wilhelm.
The first man to reach Antarctica was Fabian Gottlieb.
The first ruler who started war games for his soldiers was Genghis Khan.
The first talkie feature film in USA was 'The Jazz Singer'.
The founder of USA was George Washington.
The headquarters of World Bank is located at Washington DC.
The International court of Justice is located in Hague, Holland.
The invention that is considered to have built America is Dynamite.
The Kilimanjaro volcano is situated in Tanzania.
The last French Monarch was Louis Napoleon III.
The lightest known metal is Lithium.
The longest river in Russia and Europe is Volga River.
The name of the large clock on the tower of the House of Parliament in London is called Big Ben.
The number of keys in an ordinary piano is Eighty eight.
The oil used to preserve timber is Creosote oil.
The oldest residential university of Britain is the Oxford University.
The Pakistani President who died in an air crash was Zia-ul-Huq.
The popular detective character created by Agatha Christie is Hercule Poirot.
The technique to produce the first test tube baby was evolved by Patrick Steptoe and Robert Edwards.
The term 'anesthesia' was coined by Oliver Wendell Holmes.
The term 'astrology' literally means Star Speech.
The US state Indiana is also known as Volunteer state.
The US state known as 'Land of 1000 Lakes' is Arkansas.
The US state known as 'Mountain state' is Pennsylvania.
The US state known as 'Pine Free State' is Vermont.
The US state Mississippi is also known as Tar Heel state.
The US state Missouri is also known as Hoosier state.
The US state West Virginia is also known as Blue Grass state.
Togo is situated in Africa.
Victoria Falls was discovered by David Livingstone.
What is full form of CEO, CFO & CIO titles? Chief Executive Officer, Chief Financial Officer & Chief Information Officer.
What is the full form of GPRS? - General Packet Radio Service
What is the scientific name of Vitamin C? - Ascorbic Acid
Which country declares independence on 18th Feb 2008? - Kosovo.
Which was the first university established in the world? - Nalanda University
Who was the founder of the kindergarten education system? - German educator Friedrich Froebel.
Words that contain all the vowels in order: Facetious and Abstemious.
Words that contain all the vowels in reverse order: Uncomplimentary, Unproprietary, Unoriental and Subcontinental.
Words that contains all the vowels: Authentication, Remuneration, Education, Automobile, Miscellaneous and many more.
Words with no vowel in them: Myth, Fly, Sky, Dry, Cry, Rhythm, Crypt.
Yankee is the nickname of American.
Yoghurt means Fermented milk.
The theory of relativity was propounded by Albert Einstein
The principal metal used in manufacturing steel is Iron
An alimeter is used for measuring Altitude
Oology is the study of Birds eggs
Radioactivity was discovered by Henry Bacquerel
The metal used in storage batteries is Lead
The instrument used to measure the relative humidity of air is Hygrometer
Barometer was invented by Torricelli
The unit of power is Watt
Radium was discovered by Marie and Pierrie Curie
The existence of isotopes was discovered by Frederick Soddy
Dynamo was invented by Michael Faraday
The nuclear reactor was invented by Enrico Ferni
The law of gravitation was propounded by Sir Isaac Newton
Crescograph was invented by J.C.Bose
Crescograph is used to measure the Rate of growth of a plant
Galileo's first scientific discovery was Pendulum
Microscope was invented by Aaton Van Leewen Hock
The scientist who is known as father of modern biology is Aristotle
The first person to see a cell under microscope was Robert Hooke
The smallest flowering plant is Worffia
The four blood groups were discovered by Karl Landsteiner
Sodium was discovered by Sir Humphry Davy
The atomic number of oxygen is Eight
The basic building blocks of proteins are Amino acids
The botanical name of the cotton plant is Gossipium Hirsutum
An Electroscope is used to Detect charges on a body
The unit of loudness is Phon
An ammeter is used to measure Electric current
Plant that eat insects are called Insectivorous plants
Fruits that are formed without fertilization are called Parthenocarpic
Plants that flower only once in their lifetime are called Mono carpic
The botanical name for rice is Oryza Sativa
Penicillin is obtained from Mould
The largest tree in the world is Seguoia Gigantica
Herpetology is the study of Reptiles
Entomology is the study of Insects
Ornithology is the study of Birds
Ichtyology is the study of Fishes
Osteology is the study of Bones
The botanical name for brinjal is Solanum melongenal
The botanical name for onion is Allium Cepa
The study of sound is called Acoustics
The study of heavenly bodies is called Astronomy
The study of tissues is called Histology
Electric Lamp was invented by Thomas alva Edison
The fear of crowd is called Ochlophobia
The fear of books is called Bibliophobia
The fear of going to bed is called Clinophobia
The symbol of gold is Au
The symbol of sodium is Na
The symbol of Sr stands for Strontium
The symbol Rb stands for Rubidium
The symbol Md stands for Mendelevium
Calcium sulphate is commonly called Plaster of Paris
Sodium carbonate is commonly called Washing Soda
Sodium chloride is commonly known as Common Salt
The chemical name of Chloroform is Trichloromethane
The chemical name of baking powder is Sodium bicarbonate
The chemical name of bleaching powder is Calcium hypochlorite
The formula HCL stands for Hydrochloric Acid
The formula H2SO4 stands for Sulphuric Acid
The formula CHCI3 stands for Trichloromethane
The formula H2O2 stands for Hydrogen peroxide
A fungus which can only survive on other living organisms is called Obligate Parasite
A plant which lives in the dark is called Scotophyte
A plant adapted to live in dry places is called a Xerophyte
A plant adapted for growth in water is called a Hydrophyte
Bifocal lens was invented by Benjamin Franklin
Cement was invented by Joseph Aspdin
Laser was invented by Dr.Charles H.Townes
Electromagnet was invented by William Sturgeon
Rayon was invented by Sir Joseph Swann
Thermostat is an instrument used for regulating Constant temperature
The science of organic forms and structures is known as Morphology
Phycology is the study of Algae
Tata Institute of Fundamental Research was established in 1945
CSIR stands for Council of Scientific and Industrial Research
ISRO stands for Indian Space Research Organisation
The first human being to land on moon was Neil Armstrong
The first Indian in space was Rakesh Sharma
ISAC stands for ISRO Satellite Centre
VSSC stands for Vikram Sarabhai space Centre
The headquarters of ISRO is located at Bangalore
VSSC is located at Thiruvananthapuram
ISAC is located at Bangalore
National Science Centre is located at New Delhi
Central Tobacco Research Institute is located at Rajahmundry
Indian Institute of Horticultural Research is located at Bangalore
The Atomic Energy Commission was set up in August 1948
The first Indian Satellite was Aryabhatta
The first Indian Satellite was launched in the year 1975
ASLV stands for Augmented Satellite Launch Vehicle
INSAT stands for Indian National Satellite
The fear of women is known as Gynophobia
The fear of men is known as Androphobia
The scientist who developed the Quantum theory was Max Plonck
The steam engine was invented by James Watt
The botanical name of tea is Camellia Sinensis
Logarithms were devised by John Napier
The acid used in a car battery is Sulphuric acid
The system for writing by blind people was invented by Louis Braille
The parachute was used for the first time by J.P.Blanchard
The German physicit who first demonstrated the existence of Radio waves was Henrich Hertz
The instrument that records the intensity of earthquakes is Seismograph
The laws of floating bodies was discovered by Archimedes
The density of milk is measured by a Lactometer
Fountain pen was invented by L.E.Waterman
The instrument used to measure the pressure of gases is the Monometer
Bhaskara I was a famous Astronomer
The first atomic power station established in India was the Tarapore Atomic Power Station
The role of heredity was demonstrated by Mendel
The instrument used to measure the concentration of salt water is the Salinometer
Spectroscopy is the study of Anders John Angstrom
Dactylography is the study of Finger Prints
A tangent galvanometer is used to study the Strength of direct current
The fruit of Oak is called Acron
ZETA stands for Zero Energy Thermonuclear Assembly
The formula C6H5OH stands for Phenol
Michael Faraday worked as an assistant under another scientist whose name was Sir Humphry Davy
Vulcanised rubber was invented by Charles Goodyear
The symbol Zn stands for Zinc
The symbol He stands for Helium
Celluloid was invented by A.Parker
Glider was invented by Sir George Caley
Safety matches was invented by J.E.Lundstrom
Radio valve was invented by Sir J.A.Fleming
Space Applications Centre is located at Ahmedabad
Atomic Energy Commission is located at Mumbai
Dynamics is the study of Movements of bodies
Statics is the study of Forces acting on bodies at rest
Mechanics is the study of Forces acting on bodies
Zoology is the study of Animal life
Botany is the study of Plant life
Psychology is the study of Human mind
The first American to orbit earth was John H.Glen
The electro-cardiograph was invented by William Einthoven
The molecular formula of cane sugar is C12H22O11
A compound which contains only hydrogen and Carbon is called a Hydrocarbon
The liquid used to preserve specimens of plans and animals is Formalin
The law of segregaton was propounded by Mendel
Auriscope is used to detect Ear disorders
The three states of matter are Solid,liquid and gas
The scientific name for blood platelets is Thrombocytes
The response of a plant to heat is called Thermotropism
The response of a plant to touch is called Trigmotropism
The symbol Zr stands for Zirconium
Nickel was discovered by Cronstledt
Manganese was discovered by Gahn
The common name for pottasium carbonate is Potash
Bismuth was discovered by Valentine
The biggest plant seed is Cocodemer
Toxicology is the study of Poisons
Virology is the study of Viruses
Paleontology is the study of Fossils
Calorimeter is used to measure Quantity of heat
Chronometer was invented by John Harrison
Stethoscope was invented by William Stockes
Spinning frame was invented by Sir Richard Arkwright
Al stands for Aluminium
Gd stands for Gadolinium
Ir stands for Iridium
Bi stands for Bismuth
The Chemical formula of sodium bicarbonate is NaHCO3
The chemical formula of common salt is Nacl
The chemical formula of washing soda is Na2CO3,IOH2O
The chemical formula of lime soda is CaCO3
The chemical formula of chloroform is CHcl3
The study of grasses is known as Agrostology
The study of antiquities is known as Archaeology
The study of the duration of life is known as Chronobiology
The study of bacteria is known as Bacteriology
Nylon was invented by Dr.Wallace H.Carothers
Electric razor was invented by Jacob Schick
The symbol of silver is Ag
The symbol of silicon is Si
The symbol of titanium is Ti
Calcium oxide is commonly known as Quick lime
A deviation of light passing from one medium to another is known as Refraction
An apparatus for generation of atomic energy is called a Reactor
A machine used for converting mechanical energy into electrical energy is called a Generator
The first Indian woman in space was Kalpana Chawla
The revolver was invented by Samuel Colt
The refrigerator was invented by J.Perkins
Which is the only common metal that is liquid at room temperature? Mercury
When a fire is caused by an electric short circuit, why must you not throw water? If you throw water on a fire caused due to short circuit, you may be electrocuted because water is a good conductor of electricity.
Why do we see lightning much before we hear thunder? This is because light travels much faster than sound. Light travels @ 2.99 x 108 mt / sec (2,99,000 km/sec) whereas sound travels @ 333 mt/sec.
Which planet is the closest to the Sun? Mercury
Which is the hottest planet? Venus
How much time does the earth take to complete a revolution around the sun? 365 % days.
Why are whales hunted? For the blubber or the oil in them.
Where do platypuses live? In burrows near water.
How many days does the moon take to go round the earth? 27 1/3 days.
Among the insects that are extant, (that are living still), which is the most ancient? Cockroach.
What is meant by fulcrum? Fulcrum is the point about which a bar or lever will rotate, when a force is applied at any distance from that point or axis.
What kind of leaves do silkworms thrive on? Mulberry leaves.
Why is it dangerous to look at die sun during an eclipse? During solar eclipse, the ultraviolet rays are in such high proportion in sunrays, that they can cause irrepairable damage to the eye.
How does a Pitcher Plant eat flies? A Pitcher Plant is hollow and tubular. The surfaces are slippery and they have hairs, which point downwards. When an insect lands on a pitcher plant, it is impossible for it to escape because of the slippery surface and the downward-pointed hairs. It is then easily digested.
What is the Indian name for the planet Mercury? Budha.
Where in India do the migratory cranes of Siberia settle down? The Rann of Kutch.
How many arms does a starfish have? Usually five.
What is a solar eclipse? The moon comes in between the sun and the earth, and thereby prevents sunlight from reaching the earth.
Who first saw mountains and craters on the moon using a telescope? Galileo Galilei
Which is the largest animal on land? African Elephant.
Why does a rhinoceros spend so much time in mud? To keep cool and protect itself from insect bites.
Which country first used fingerprints to identify people? Assyria and China.
In which country was silk first made? China.
What is cholesterol? Cholesterol is a fat found in the human body and the body of other large animals. In its pure form it looks like white sugar. It is made up of tiny crystals, which can be seen under a microscope. It is said that too much cholesterol in the blood is responsible for the hardening of arteries and for various other heart ailments.
How did the watch get its name? From the fact that you have to watch it to know the time.
What is vulcanisation of rubber? The process of hardening rubber by adding sulphur and heating the mixture is vulcanisation. Vulcanisation was discovered by Charles Goodyear. Raw rubber is sticky. It hardens when the temperature is low and softens when it is high. Charles Goodyear discovered that by combining raw rubber with sulphur and by heating it, the rubber becomes stronger and elastic and also resistant to solvents. Today almost all rubber, whether natural or synthetic is vulcanized.
When faced with danger what does a Pangolin do? It rolls into a ball.
Where is the entrance to a baya's nest? At the bottom of the nest.
What is glass made from? Limestone, Silica and Soda ash.
What is the microscopic study of plant and animal tissue called? Histology.
How does a mariner's compass help the mariner? The needle of the compass always points towards the magnetic north pole. This indicates the direction in which the ship is moving.
Which is the second largest planet in our Solar System? Saturn.
How many weeks after birth does the young one of a cat opens its eyes? Three weeks.
The arms of the Octopus have sucker cups. What is the use of these cups? To hold onto a surface.
What food does a bear love most? Honey.
How did the Romans rub off what was written on a wooden slate coated with wax? By heating the slate, the wax was melted. The slate became ready to reuse.
What are seashells? Outer casings of soft-bodied animals, called molluscs.
How is a pearl formed within the body of an oyster? A pearl is formed when a grain of sand or other foreign matter gets between the hard outer shell and the inner coat called the mantle, of a mollusc. The mollusc surrounds the irritation with nacre, a secretion from the mantle. Many thin layers of nacre give the pearl its lustre.
How much time does Pluto take to complete a revolution around the sun? 248 years.
What is a Catamaran? A boat with twin parallel hulls. [From the Tamil words katta and maram, meaning tied up (katta) tree (maram).
How many ears does a spider have? None.
How much time does light take to reach the earth from the sun? 8 minutes.
What is acceleration? The time rate at which the velocity of a point is changing is acceleration. Velocity is just the speed (miles per hour or kilometres per second). The term acceleration is used when the speed keeps increasing. The term deceleration is used when the speed becomes less and less.
How does a spider eat its food? The spider inserts his fangs into the victim's body and uses them as straws to suck out the liquid.
Who invented the telescope? Hans Lippershey.
Why do people living in the deserts prefer white colour for their robes? White coloured robes do not absorb light, whereas dark-coloured clothes absorb the light and conduct heat to the body.
What is common to dolphins and humans? They are both mammals.
In which country was the day first divided into 12 parts? Babylon (modern Iraq).
How does a rocket move forward? It moves forward due to propulsion. You must have seen that a boatman pushes the water backwards with his oar. This creates a force in the forward direction. This is propulsion. Newton's third law of motion states action and reaction are equal and opposite. In a rocket when hot gases come out of the rear with great force as a result of combustion, a force is created in the opposite direction. This takes the rocket forward.
What are the things necessary to start a fire? Heat, fuel and oxygen.
How many legs does a butterfly have? Six.
Who invented the aeroplane heavier than an air machine that could fly? Orville and Wilbur Wright.
Who invented the modern lift? Elisha Otis.
Why can't cranes perch on trees branches? They cannot curl their toes. As a result they cannot have a firm grip on a branch.
Ancient Sumenans used to write on clay. How could this writing be preserved? By baking the tablets. This would remove the moisture from the tablets and harden them.
How big are the tusks of an Indian female elephant? Indian female elephants do not have tusks.
Bats cannot see. Then how do they move about? They emit sounds of low intensity, which are reflected from the objects around them. This helps the bats to move about.
How does a frog catch an insect? It throws out its tongue, which is sticky and catches the insects.
What is a Portuguese Man of War? A name commonly applied to jelly fish, found in tropical seas.
Why are oceans important to man? They enable man to travel to distant corners of the world. They also provide food, oil and minerals.
What is the transparent portion in front of the eyeball called? Cornea.
What is the meaning of the pecking order? Pecking order is an example of hierarchy among animals, particularly hens. In a coup containing hens and cocks, the seniormost cock can peck at all the other hens and cocks in the coup. A hen can peck at others weaker than it, but must permit pecking by senior members in the hierarchy.
Who made trains run by steam engine popular? George Stephenson
How are volcanoes caused? Deep under the crust of the earth is molten rock or lava, also called magma. It is under great pressure because of the intense heat around it and the weight of the earth's crust. When this hot boiling mass finds an outlet in the underside of the earth's crust, it comes through the surface as lava.
What is a male ant called? Drone.
How can a frog make such a loud sound? As the frog forces air from the lungs, vocal chords in the voice box (larynx) vibrate to make calls, distinctive of its species. The bulls of some species have air sacs, which help, increase the volume of the sound.
Who was the first man on the moon? Neil Armstrong.
What is peristalsis? Peristalsis is a type of movement occurring in the hollow organs of animals, which causes their contents to be pushed ahead.
What are the main differences between an Indian elephant and an African elephant? The African elephant is much larger in size. Its ears as well as tusks are larger than those of an Indian elephant.
What is it that silkworms weave around themselves? Cocoon.
Why did Dr. Lister use carbolic acid to cover wounds? To prevent infection.
What is the juice of the rubber plant called? Latex
Why does the ostrich eat sand or gravel? To digest its food.
Which discovery made soap-making a big industry? It was discovered (in 1787) that caustic soda can be made from common salt. Since soap is made from caustic soda and fat, manufacturing soap became cheaper.
Who invented the Gramophone? Thomas Alva Edison
Which is the largest living bird? Ostrich.
Why didn't the British plant rubber in England? Rubber grows only in tropical countries.
Why do tigers turn into man-eaters? When tigers become old or are incapacitated because of injury, they prey on human beings. A tiger that has preyed on man and has tasted human flesh often continues to prey on man.
What was called Penny-farthing? The cycle whose front wheel was much larger than the rear wheel. It was invented by James Starley. It was derisively named penny-farthing after the largest and smallest English copper coins of the period.
Why does not the moon have an atmosphere? Even if it had some atmosphere, its mass is so low that gravity on the surface is not enough to retain the atmosphere.
Name the animal that has the largest eyes in the world? The Atlantic Giant Squid, about 30 cm wide.
Who invented the four-stroke Motorcar engine? Nikolaus Otto.
What are meteorites? They are rocks or pieces of rocks that enter the atmosphere and are usually burnt out before landing on earth. Some large meteorites can crash against the surface of the earth and cause damage.
What did ancient Romans think lightning was? Jupiter's weapon.
Are the soldier ants male or female? They are all female.
What is the nest of a penguin made of? Pebbles.
What are the characteristics of a parasitic plant? They cannot produce their own food and obtain food from other sources.
What keeps the sun so hot? A reaction similar to that of a hydrogen bomb takes place continuously in the sun. Two atoms of hydrogen fuse at high temperatures to form an atom of helium. Immense heat is released in this reaction.
What is meant by Binary System? We carry out everyday calculations, using the decimal system, with the numbers 1 to 9 and zero. The binary system uses only two numbers 0 and 1. An electric current can be switched on and off using off for 0 and on for 1. Any number can be represented in the binary system.
Which was the first spaceship launched by man? Sputnik-I, launched by the Russians
What kind of nests do owls build? They don't build nests. They use hollows in trees for laying eggs.
Why is polished rice less healthy than unpolished
rice? The husk of food grains (rice, wheat, etc) has Vitamins, much of which are lost when the grains are polished.
Which Psychologist devised the IQ test? Alfred Binet.
Who discovered Radium? Pierre and Marie Curie.
What is the approximate temperature deep inside the sun? 14 million degrees C.
What are Epiphytic plants? Plants that grow on other plants for support. These plants however do not take nourishment from the host.
Sometimes the eagle spits out pellets from its mouth. What are they? Bones and fur of the prey that are left after the food is digested.
What does a ruminant mean? Ruminant is an animal that chews its cud and has a four-chambered stomach. When food is swallowed by a ruminant, it passes into the rumen or paunch, where it is stored, while the animal eats. Chewing and digestion are carried out at leisure. The food passes from the rumen to the reticulum, where it is formed into small masses and pushed up to the mouth to be chewed. When it is swallowed a second time it takes a different route. Gastric digestion takes place and the food passes into the intestine.
Who discovered the Planet Uranus? Sir William Herschel.
Who invented Television? John Logic Baird.
How do dolphins communicate with each other? By producing screeching sounds.
Who was the first woman to travel in space? Valentina Tereshkova.
What are clouds made of? Tiny droplets of ice or water.
What is the disease that causes dogs to turn mad? Rabies.
Who conducted the first controlled fission reaction (that led to the making of the atom bomb)? Enrico Fermi.
Which was the first satellite launched by India? Aryabhata, in 1975.
What is Dry Ice? Solid Carbon Dioxide.
Who invented the Radio? G. Marconi (Jagadis Chandra Bose has also been credited with this discovery but his claim has not been recognised).

Nicknames of Indian Cities

Bangle City - Hyderabad (Andhra Pradesh)
City of Blood - Tezpur (Assam)
City of Dawn - Auroville (Pondichery)
City of golden Temple - amritsar (Punjab)
City of Palaces - Kolkata (West Bengal)
City of seven Islands - Mumbai (Maharashtra)
Diamond City - Surat (Gujarat)
Egg city - Namakkal (Tamilnadu)
Garden City - Bangalore (Karnataka)
Golden City - Jaisalmer(Rajastan)
Lake City - Udaipur (Rajastan)
Orange City - Nagpur (Maharashtra)
Pearl City - Tuticorin (Tamil Nadu)
Rose Pink City - Jaipur (Rajastan)
Sandal Wood City - Mysore (Karnataka)
Sun City - Jodhpur (Rajastan)
Temple City - Bhuvaneswar (Orissa)
Twin Cities - Hyderabad and Secundarabad(Andra pradesh)
Weavers city - Panipat (Haryana)
White City - Udaipur (Rajastan)