Famous Personalities Quiz Questions with Answers

Famous Personalities Quiz Questions with Answers

Famous Personalities Quiz Questions with Answers

1) The most famous European Traveller in the Far East, the Venetian made journeys through China, India and other eastern countries, visited the court of Kubla Khan. Name him.

Answer: Marco Polo.


2) Who was assassinated whilst sailing from the village of the Mullaghmore in Ireland in 1979?

Answer: Earl Mountbatten of Burma.


3) Who was the Moslem warrior who defended the Holy Land against the Christian Knights during the third crusade?

Answer: Saladin.


4) Which leader of the Russian Revolution became first Soviet Commissioner for Foreign affairs but was expelled from the Communist Party in 1927 and was assassinated in Mexico in 1940?

Answer: Leon Trotsky.


5) Chinese General, after Sun-Yat-Sen’s death, as commander of the Kuomintang army, he attempted to unite China; in 1949 retired to Formosa (Taiwan) after the victory of the communists. Who was he?

Answer: Chiang Kai-Shek.


6) Famous Italian navigator who begged the King and Queen of Spain for a ship to sail west to India but he discovered America in 1492. Name him.

Answer: Christopher Columbus.


7) Who was the deaf and blind American author who wrote such works as the ‘The Story of My Life’, ‘Out of the Dark’ and “Let us have Faith’?

Answer: Helen Keller.


8) Lord Howard of Effingham commanded the English fleet which repulsed the Spanish Armada invasion in 1588. Name two of his three seconds-in-command.

Answer: Drake, Hawkins and Frobisher.


9) English navigator, who made many voyages around the world, discovered the sandwich, Name him.

Answer: Captain James Cook.


10) He is the richest private individual for the 4th consecutive years in the world with a $62.25 billion fortune, president and CEO of Microsoft Corporation. Name him.

Answer: Bill Gates.


11) Sappho is the name of a poetess of ancient times. What was her language?

Answer: Greek.


12) Prime Minister of Pakistan who was removed from his post in a military coup (1977) by Gen. Muhammad Zia-ul-Haq whose government executed him. Who was he?

Answer: Zulfikar Ali Bhutto.


13) Sir Edwin Lutyens, Hug Casoon, Basil Spence and Frank Lloyd Wright were all leading exponents in which field of human activity?

Answer: They were all world-famous architects.


14) He was born in 1829 and was founder and first General of Salvation army. Who was he?

Answer: William Booth.


15) He was the last Saxon leader to hold out against the Normans. His base in the Fens was captured in 1071 but he escaped. His exploits were recorded by Kingsley. Who was he?

Answer: Hereward the Wake.


16) Which famous artist was born in the village of East Bergholt in Suffolk in 1776?

Answer: John Constable.


17) Queen of Great Britain and N. Ireland. She ascended the throne in 1952. Name her.

Answer: Elizabeth II


18) English physician, who discovered the mechanics of the circulation of blood in 1616. Name him.

Answer: William Harvey.


19) American clergyman, militant, non-violent civil rights leader and Negro integration leader, won the Nobel Peace prize in 1964. Name him.

Answer: Martin Luther King Jr.


20) London based actor who played the role of Gandhi in Richard Attenborough’s film ‘Gandhi’. Won best actor Oscar Award. Name him:

Answer: Ben Kingsley.


21) American foreign policy expert secretary of State 1973-77 and special advisor on national security affairs to President Nixon shared Nobel Peace Prize in 1973 with Lê Đức Thọ. Name him:

Answer: Henry Kissinger.


22) Name the American who founded Rotary International in 1905:

Answer: Paul P. Harris (1868-1947)


23) Indian founder of Jainism, which teaches the sacredness of all life. Name him:

Answer: Vardhamana Mahavira (6th century BC)


24) Argentinian football star, played for Italian club Napoli (1987-91). Famous for the ‘hand of God’ goal against England in 1986. Banned for 15 months for drug problems. He was a T.V. Commentator in the 1998 world cup. Name him:

Answer: Diego Maradona.


25) Who was the creator of Sculptures ‘The Kiss and The Thinker’?

Answer: Auguste Rodin.


Famous Personalities Quiz Questions Part 2


26) First black President of South Africa. He was imprisoned for about 27 years for fighting apartheid. Under his leadership, African National Congress led the South Africans to a non-racist democracy, won Bharat Ratna in 1990. Name him:

Answer: Nelson Rolihlahla Mandela.


27) U.S. President 1981-88. Former TV & film star. Governor of California 1967-74. Name him:

Answer: Ronald Reagan.


28) Former Tanzanian President and popular African leader. Chairman South Commission. Name him:

Answer: Julius Nyerere.


29) Egyptian Statesman and leader of the Arab World. Deposed General Naguib (1954). Nationalized the Suez Canal (1956). One of the founders of the Non-Aligned Movement. Name him:

Answer: Gamal Abdel Nasser.


30) One of the world’s best movie star belongs to Hongkong. Made 40 films since 1976, when he was touted as the new Bruce Lee. Name him:

Answer: Jackie Chan.


31) Who succeeded Litvinov as the Soviet Foreign Minister just before the Second World War?

Answer: Vyacheslav Molotov.


32) Who is mainly responsible for saving the peregrine falcon from extinction?

Answer: Tom Cade.


33) Who was known as the ‘The Wizard of Menlo Park?’

Answer: Thomas Alva Edison.


34) Who was the wife of Priam, king of Troy and mother of Hector?

Answer: Hecuba.


35) She entered into a pact with the Germans and French during World War I, thus acting as a double agent. She was executed when caught- in 1917. The name by which she became popularly known was as “The eye of the morning”. Who was she?

Answer: Mata Hari.


36) Director and title role actor of the 1945 film ‘Henry V’ knighted in 1947 and created a peer in 1970. Who was he?

Answer: Laurence Oliver.


37) Who was the first woman prime minister of a nation in the world?

Answer: Sirimavo Bandaranaike (Sri Lanka)


38) Who is the woman swimmer to have won the largest numbers of Olympic gold medals?

Answer: Kristin Otto.


39) In which field of human activity was Sir Mortimer Wheeler famous?

Answer: Archaeology.


40) Which Canadian newspaper magnate held important government offices in England during World War I and World War II?

Answer: Lord Beaverbrook.


41) Name the only woman who is known all over the world for her detective stories.

Answer: Agatha Christie.


42) Who was the first woman to be elected president of the U.N. Assembly?

Answer: Vijaya Lakshmi Pandit.


43) The ‘Iron man of India’. He was a leading freedom fighter and prominent Indian who worked closely with Mahatma Gandhi. He played a key role in the integration of India’s princely states with the union. The Deputy Prime Minister in the Nehru Government. Name him:

Answer: Sardar Vallabhbhai Patel (1875-1950)


44) South American revolutionist called the Liberator. He founded Grand Colombia. Revered as a Latin American hero. Name him:

Answer: Simon Bolivar (1783-1830)


45) Former President of Bangladesh, founder of Bangladesh Nationalist Party in 1979 rode to power on November 7, 1975, through a coup. Name him:

Answer: Ziaur Rahman (1937-1981)


46) Who was the woman best known for her social work especially with the dying and the destitute?

Answer: Mother Teresa.


47) A former president of Pakistan was executed in 1979. What was his name?

Answer: Zulfikar Ali Bhutto.


48) The prince of which principality between Switzerland and Austria owns one of the finest private art collections in the world?

Answer: Liechtenstein.


49) He was a well-known jurist, statesman, social reformer and scheduled caste leader. The first Law Minister of free India 1947-1951. Name him.

Answer: Dr. B.R. Ambedkar.


50) He was the founder of the Boy Scout movement in 1908 and Girl Guides in 1910. Who was he?

Answer: Baden Powell.


Famous Personalities Quiz Questions Part 3


51) Name an Indian astronomer as well as famous mathematician of the 5th century A.D (476-520)

Answer: Aryabhata.


52) An Indian scientist who laid the foundation of nuclear service in India and was chiefly responsible for creating the atomic research establishment which is now named after him. He died in a plane crash of January 24, 1966. Name him.

Answer: Dr. Homi J. Bhabha.


53) She was the Queen of Egypt. Julius Caesar fell in love with her. After Caesar’s murder Mark Antony became her lover. When he was beaten in battle, she committed suicide. Name her.

Answer: Cleopatra.


54) Ernesto “Che” Guevara, the revolutionary hero, took part in guerilla wars in Cuba and was killed fighting Bolivian troops, but what nationality was he?

Answer: Argentinian.


55) The most famous American sailor was born in Scotland and became a Russian Rear-admiral before dying in Paris in 1792. Who was he?

Answer: John Paul Jones.


56) A Norwegian politician became a puppet leader of his country during World War II and his name became a byword for treachery. Who was he?

Answer: Vidkun Quisling.


57) He was a British marine, bridge and a railway engineer responsible for among other things, the Clifton suspension bridge and the ship called Great Western. Who was he?

Answer: Isambard Kingdom Brunel.


58) George Washington was the first American President of the United States of America. Who was the second?

Answer: John Adams.


59) He was a Spanish hero before he was 20, led a Spanish force against the Moors and drove them out of Spain. He is celebrated in poem and romance. Who was he?

Answer: Elcid.


60) Who was the great woman who won the Nobel Prize twice?

Answer: Marie Curie.


61) A woman of world renown gave her name to a system of spontaneous education for children. Name her.

Answer: Maria Montessori.


62) Name the first Asian woman to go to space?

Answer: Kalpana Chawla.


63) Name the first Indian to go to space?

Answer: Rakesh Sharma.


64) Name the great English landscape gardener who designed the grounds of Blenheim Palace and transformed the landscape of extensive areas of the United Kingdom during the 18th century.

Answer: Lancelot Brown.


65) She was an English actress who with her father rescued the crew of the ship Forfarshire which was wrecked on the Farne Islands on the north-east coast of England in 1838. Who was she?

Answer: Grace Darling.


66) He was a famous sailor born in Plymouth who in 1789, was cast adrift from the ship Bounty by his mutinous crew. Who was he?

Answer: Captain William Bligh.


67) A great Indian youth leader and one of the presidents of the Indian National Congress during World War II, he escaped from British detention in India and organized freedom fighters with Japanese help. He gained prominence for organizing I.N.A. Name him.

Answer: Subhash Chandra bose.


68) The founder of modern Communist Russia, responsible for the successful Soviet Revolution of October-November 1917. He was the head of the government from 1917-1924. Name him.

Answer: Lenin.


69) Comedian film star, born in London, he went to the USA in 1916. First international screen star with more than 50 years achievement ‘The Kid’, ‘The Gold Rush’, ‘City Lights’, ‘Limelight’ are some of his hit films. Name him.

Answer: Charlie Chaplin.


70) Name the first English printer and publisher.

Answer: William Caxton (1422-1491)


71) Portuguese navigator and commander of the first expedition (1519) to circum navigate the globe. Name him.

Answer: Ferdinand Magellan (1480-1521)


72) A great genius, one of the master artists of the high Renaissance, Italian, Man of Science who described himself as painter, architect, philosopher, poet, composer etc. Best known for his ‘Last Supper’ and ‘Mona Lisa’

Name him.

Answer: Leonardo Da Vinci (1452-1519)


73) German religious reformer who began the Protestant Reformation. Name him.

Answer: Martin Luther (1483-1546)


74) King of France, longest reign (61 years) a despotic ruler, builder of Versailles. His exhausting wars weakened France. Who was he?

Answer: Louis XIV (1638-1715)


75) Scottish missionary and explorer in Africa, he discovered the course of the Zambezi, the Victoria Falls and Lake Nyasa (now Lake Malawi). Who was he?

Answer: David Livingstone (1813-1873)


Famous Personalities Quiz Questions Part 4


76) A Polish Physicist and chemist who is famous for her discovery of “radium’ and was awarded Nobel Prize in Chemistry in 1911. Name her.

Answer: Marie Curie.


77) A French peasant girl who is stated to have a vision for bringing glory to France. She inspired the French to drive the English out of Orleans. She was caught by the British and burnt as a heretic at Rouen. Name her.

Answer: Joan of Arc (1482-1531)


78) He was the king of Macedonia (Greece) conquered South-West Asia and Egypt, penetrated to India died at Babylon. Who was he?

Answer: Alexander the Great.


79) He was the President of Uganda in 1971-1979. He ordered the deportation of 45000 Asian residents in 1972. Notorious as one of modern Africa’s harshest dictators. Name him.

Answer: Idi Amin.


80) Palestinian President Leader of PLO from 1968. Head of al-Fatah, PLO’s largest guerilla group shared Nobel Peace Prize in 1994. Name him.

Answer: Yasser Arafat.


81) Great socialist thinker, he was the German founder of Modern International Communism, His famous work was ‘Das Capital’

Name him.

Answer: Karl Marx (1818-1883)


82) Democratic leader who became 42nd U.S. President (1993) re-elected in November 1996, became controversial in 1998. Name him.

Answer: William Jefferson Clinton.


83) French emperor and general, his brilliant victories over Austrians and Russians made him practically the master of Europe. Name him.

Answer: Napoleon I Bonaparte.


84) Who was the first US president?

Answer: George Washington.


85) The most celebrated German musician and composer, he settled in Vienna, his symphonies 9 in the number rank as the greatest ever written. Who was he?

Answer: Beethoven.


86) A well-known English physical scientist and mathematician who is generally known as the world’s greatest man of science. He became famous for his law of gravitation. Name him.

Answer: Sir Isaacs Newton.


87) Father of communist china, was chairman of the Communist Party of the people of Republic China. He raised China. Name him.

Answer: Mao Tse Tung.


88) President of India since July 1997. Vice-President during 1992-97. Joined the Foreign Service after graduating from London School of Economics. He was an ambassador to China, USA etc. Name him:

Answer: K.R. Narayanan.


89) India’s leading film music director. His album ‘Vande Mataram’ is a best seller. ‘DilSe’, ‘Roja’, ‘Bombay’ are some of his best films. Name him:

Answer: A.R. Rahman.


90) English dramatist and poet who ranks with Shakespeare and Marlowe as one of the three great Elizabethan playwrights. Name him:

Answer: Ben Johnson (1573-1637)


91) Name the first woman novelist who won the Nobel Prize for literature.

Answer: Pearl S. Buck.


92) Mary Ann Evans was a famous English novelist. By what name was she known?

Answer: George Eliot.


93) Who was the first woman to swim across English Channel?

Answer: Arati Saha.


94) Name the first woman who became an IPS officer in India?

Answer: Kiran Bedi.


95) Famous Australia cricket captain who holds the world record of 156 test matches, Captained his country 93 times. Name him?

Answer: Allan Border.


96) Name the woman who founded the Theosophical Society?

Answer: Helena Blavatsky.


97) He won national amateur billiards champion of India twelve times. Winner of three world titles. Name him:

Answer: Wilson Jones.


98) I want to be alone was which famous actress’s cry?

Answer: Greta Garbo.


99) I was the son of an Austrian Customs Officer and used to paint pictures, postcards in a slum in Vienna. I divorced my non-Aryan wife as I believed “God had created Germans to rule the world”. To whom is this attributed?

Answer: Adolf Hitler.


100) Name the woman who organized the modern system of nursing?

Answer: Florence Nightingale.


Famous Personalities Quiz Questions Part 5


101) Who was the first chancellor of the Federal Republic of Wes Germany and was known as the architect of his country’s reconstruction after World War II?

Answer: Konrad Adenauer.


102) What is the name that links a national hero to a type of biscuit?

Answer: Garibaldi.


103) A famous actor is best known for the ‘Superman movies’. A horseback riding accident left him paralyzed. Who was he?

Answer: Christopher Reeve.


104) He had been called the father of Soviet literature and the founder of the doctrine of Socialist realism. A story writer, novelist and dramatist. Who was he?

Answer: Maxim Gorky.


105) He was an English engineer who devised new and improved methods of road making and bridge-building. He was blind too. Name him.

Answer: John Metcalf.


106) Who was the prime minister of Great Britain when Edward VIII abdicated the throne in 1936?

Answer: Stanley Baldwin.


107) Queen Salote reigned from 1918 to 1965 over which island kingdom?

Answer: The Kingdom of Tonga.


108) Gerardus Mercator, in the 16th century was famous for his work in what particular science or skill?

Answer: Mapmaking.


109) In which field of human activity did Jacob Epstein achieve fame?

Answer: Sculpture.


110) What was Queen Elizabeth the Queen Mother’s maiden name?

Answer: Bowes Lyon.


111) Who was the most powerful woman president of Argentina?

Answer: Madame Eva Peron.


112) Who was the Keralite to become the President of the Republic of Singapore?

Answer: Devan Nair.


113) Who immortalized the ballet “The Dying Swan”?

Answer: Anna Pavlova.


114) Amerigo Vespucci visited Central America in AD 1499. Who was the other explorer with him?

Answer: Alonso de Ojeda.


115) What do Sir James Clark Ross, Sir Martin Frobisher, Henry Hudson, and Captain Scott have in common?

Answer: They were all British polar explorers.


116) Which British prime minister worked as a research chemist in industry before becoming a member of parliament in 1959?

Answer: Margaret Thatcher.


117) Who achieved the first solo Trans-Atlantic Flight?

Answer: Charles Lindbergh.


118) He was a German airman who originated the mobile fighter group of circus, he was known by the title the Red Baron.

Answer: Manfred von Richthofen.


119) Buckingham Palace is the official residence of the British royal family. However, it was not built by any of the British kings. Who was its builder?

Answer: Duke of Buckingham.


120) Who contributed most to the ‘escape acts’ in Magic?

Answer: Harry Houdini.


121) Who was known as the “man of thousand faces”?

Answer: Lon Chaney.


122) He was 19th-century Member of Parliament who was responsible for introducing the bill in 1876 which made a loading line on ships compulsory. Who was he?

Answer: Samuel Plimsoll.


123) British States Man, He was Prime Minister in 1964-1966, 1966-1970, and 1974-1976. Who was he?

Answer: Sir Harold Wilson.


124) Soviet Statesman who for nearly 30 years was the leader of the Russian people, the outstanding figure after Lenin’s death. Name him.

Answer: Joseph Stalin.


125) English soldier, Statesman and leader of the Puritan revolution, He provoked English aversion to military rule. Name him.

Answer: Oliver Cromwell.


126) American astronaut, the first man to set foot on the moon on 21 July 1969. Name him?

Answer: Neil Armstrong.


127) She was a 19th-century English woman who won fame for introducing penal reform and improving prison conditions. Who was she?

Answer: Elizabeth Fry.


128) She was an Austrian princess and wife of Louis XVI of France. She was executed by French revolutionaries in October 1793. Who was she?

Answer: Marie Antoinette.


129) Who proposed the idea of Debt for Nature Swap, which is now catching up fast all over the world?

Answer: Thomas E. Lovejoy.


130) Film director of Italy, his film ‘Last Emperor’ won 9 Oscar’s in 1987. Name him.

Answer: Bernardo Bertolucci.


131) Chinese revolutionary statesman, administrator and diplomat, organized revolt in Shanghai in 1927, later formed close partnership with Mao-Tse-Tung, took part in the long march 1934-1935, becoming Prime Minister of the new China in 1949. Who was he?

Answer: Chou-En-Lai.


132) She was the wife of Prince Charles of Britain, but divorced later, died in a car accident in Paris on August 31, 1997. Name this remarkable woman who touched the hearts of people all over the world.

Answer: Princess Diana (1961-1997)


133) German inventor who invented printing with movable types cast in moulds. The earliest book printed by him was the ‘Mazarin Bible’

Name him.

Answer: Johannes Gutenberg.


134) New Zealand explorer who with Tenzing Norgay was the first to climb Mount Everest in 1953. Name him.

Answer: Edmund Hillary.


135) Brazilian soccer player, a world star at 17, he played in all four World Cup Championship Tournaments from 1958 to 1970, the first player ever to play in three World Championship Teams, retired in 1977. He served as a Sports Minister. Name him.

Answer: Pele.


Read Electronics Quiz Questions with Answers

Electronics Quiz Questions with Answers

Electronics Quiz Questions with Answers

Electronics Quiz Questions with Answers

Electronics Quiz Questions with Answers Part 1


1) The process of making a radio receiver sensitive to a particular frequency alone is known as:

Answer: Tuning.


2) During playback of a tape recorder, the tape is drawn past the poles of the head at a constant speed of:

Answer: 5 cm/second.


3) The reverse process of modulation is _?

Answer: Detection.


4) The middle region of the transistor is known as?

Answer: Base.


5) The part of T.V camera which produces the beam required for scanning is called:

Answer: Electron gun.


6) Example of acceptor is?

Answer: Gallium.


7) The hole is considered as?

Answer: Equivalent of a positive charge.


8) The process of adding certain impurities in the crystal structure of a semi-conductor so as to improve its conductivity is called?

Answer: Doping.


9) What is a liquid crystal?

Answer: They are organic compounds resembling both liquid and crystals.


10) The impurity used to make p-type semiconductor is:

Answer: Boron or gallium or indium.


11) The majority of carriers in n-type semiconductor is:

Answer: Electron.


12) The function of valve depends on the phenomenon?

Answer: Thermionic emission.


13) A semiconductor one side of which is doped with a p-type impurity and the other side is doped with n-type impurity is called:

Answer: PN junction diode.


14) What is known as a diffused junction?

Answer: The P.N junction obtained by diffusing impurity into the semiconductor crystal.


15) When the P region and N region of a P-N diode are connected to the negative and positive poles of the battery respectively it is said to be in:

Answer: Reverse biased.


Electronics Quiz Questions with Answers Part 2


16) Which device work on the principle of thermionic emission?

Answer: Valve.


17) The process of mixing the audio signals with high-frequency carrier waves is called:

Answer: Modulation.


18) The waves used in radar can be considered to be:

Answer: Microwaves.


19) Who invented the tunnel diode?

Answer: Leo Esaki.


20) Which must have the proper size to match the impedance of the transmitter or receiver to that of space?

Answer: The antenna.


21) Image orthicon is a kind of:

Answer: Pick up tube.


22) What is called the type of modulation in which the frequency of the carrier waves is altered in accordance with the audio signals?

Answer: Frequency modulation.


23) Which of the electronics is known as wonder child of electronics?

Answer: Transistor.


24) In amplitude modulation which of the carrier wave is changed in accordance with the sound pattern?

Answer: Amplitude.


25) The third electrode in a triode is known as?

Answer: Control grid.


26) Electricity is not conducted through germanium because the number _?

Answer: Free electrons are comparatively less.


27) Current conduction in n-type semi-conductor is due to _?

Answer: Free electrons.


28) What do you mean by electronics?

Answer: The study of behavior of electrons, their control and use.


29) Semi-conductor crystal having an excess of electrons by doping is named?

Answer: N-type semi-conductor.


30) Example of donor is?

Answer: Antimony.


Electronics Quiz Questions with Answers Part 3


31) The process of extracting audio signals from the high-frequency carrier wave is known as?

Answer: Detection.


32) The upper limit of audibility for a normal human ear is?

Answer: 20000.


33) Detection is a kind of _?

Answer: Rectification.


34) A function that cannot be done by a junction of a diode is _?

Answer: Oscillation.


35) Power gain is equal to _?

Answer: Voltage gain x Current gain.


36) For producing high-frequency carrier wave we use:

Answer: Oscillator.


37) Which is the main part of a tuner in the radio receiver?

Answer: Variable condenser.


38) It is a process of allowing electric current to flow only in one direction that is changing A.C in to D.C.

Answer: Rectification.


39) What is called amplification?

Answer: It is the process of strengthening weak signals.


40) What is oscillation?

Answer: It is a process of conversion of D.C in to a signal of desired frequency.


41) In our T.V. system time taken for scanning one frame is:

Answer: 1/25 second.


42) The impurity to be added to get n-type semi-conductor is _?

Answer: Arsenic.


43) The rays starting from the cathode discharge tube are called:

Answer: Cathode rays.


44) The unit used to express wavelength is:

Answer: Angstrom.


45) The thermionic valve named triode has _?

Answer: 3 electrodes.


Electronics Quiz Questions with Answers Part 4


46) The impurity to be added to get p-type semi-conductor is _?

Answer: Boron.


47) The scientist who discovered that though gases are not good conductors, high voltage electricity can discharge through gases was:

Answer: William Crookes.


48) Current conduction in p-type semi-conductor is due to _?

Answer: Holes.


49) The value of the capacitor is expressed in the unit:

Answer: Farad.


50) The simplest type of valve is called:

Answer: Diode.


51) The valve having three electrodes is known as:

Answer: Triode.


52) Substances like glass, mica and rubber are called:

Answer: Insulators.


53) The current carriers in PNP transistor consist of _?

Answer: Holes.


54) The vacuum tubes (valves) were discovered by:

Answer: Lee de Forest.


55) The current carriers in NPN transistor consist of _?

Answer: Electrons.


56) The process of broadcasting in which the frequency of radio waves is changed in accordance with the sound signals is known as:

Answer: Frequency modulation.


57) The device which can be used as an amplifier and an oscillator is _?

Answer: Transistor.


58) In the pure state the semiconductors are known as what?

Answer: Intrinsic.


59) After doping a semiconductor will have good electrical conductivity. In such a stage it will be known as:

Answer: Extrinsic.


60) If a silicon crystal is doped with an element of group five it becomes:

Answer: N-type semiconductor.


Read 300 General Science Questions and Answers

300 General Science Questions and Answers – Physics Chemistry Biology Quiz

General Science Questions and Answers - Physics Chemistry Biology Quiz

General Science Questions and Answers – Physics Chemistry Biology Quiz


General Science Questions and Answers - Physics Chemistry Biology Quiz


1) Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?

Answer: Parmenides.


2) What is EM?

Answer: Electron microscope.


3) Which quantum number gives the shape of the orbital?

Answer: Azimuthal quantum number.


4) On which property of electrons does the electron microscope work?

Answer: Wave nature.


5) What is ecosystem?

Answer: The entire living community and non-living factors of the environment together from the ecosystem.


6) In which year did Otto Von Guericke demonstrate his famous Magdeburg experiment dealing vacuum?

Answer: 1672.


7) In 1729 AD, Pieter Van Musschenbroek used the term ‘PHYSICS’ for the first time. What was the subject called so far?

Answer: Natural philosophy.


8) Name two monocarpic plants which show gregarious flowering.

Answer: Bambusa tulda, Melocanna bambusoides.


9) What is the maximum capacity of d-orbital?

Answer: 10 electrons.


10) The element with the minimum atomic number having 8 electrons in the outer most shell is what?

Answer: Neon.


11) Which form of science dealing with the study of structural and cultural traits of human beings?

Answer: Anthropology.


12) Who was the first to attack Newton’s Corpuscular theory of light?

Answer: Thomas Young.


13) Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?

Answer: Empedocles.


14) Under what system, organisms are provided with scientific means?

Answer: Binomial nomenclature.


15) What is the shape of s-orbital?

Answer: Spherical.


16) The s-orbital of the L shell is represented as what?

Answer: 2s.


17) What are the two functional groups in an ecosystem?

Answer: Autotrophs and heterotrophs.


18) Who was the first person to design models of flying machine?

Answer: Leonardo da Vinci.


19) Who in 1231 was the first to describe the science of optics?

Answer: Robert Grosseteste.


20) What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?

Answer: Taxonomy.


21) What do you mean by Zeeman Effect?

Answer: Splitting of spectral lines by magnetic field.


22) What is the maximum number of electrons in principal energy level?

Answer: K-2, L-8, M-18, N-32


23) Where does the primary photo chemical reaction occur in chloroplast?

Answer: Quantasome.


24) Who in 1749 developed a method for making an artificial magnet?

Answer: John canton.


25) Who was burnt to death for suggesting that the sun might be an ordinary star?

Answer: Giordano Bruno.


26) Who was the author of ‘Man’s place in nature’?

Answer: Huxley.


27) What is the shape of p-orbital?

Answer: Dumb-bell.


28) What is the atomic number of the element which has 3 electrons in its M shell?

Answer: 13.


29) What is exobiology?

Answer: It is the study of life in outer space.


30) Hydrodynamica gave explanation of Bernoulli’s theorem in 1738. Who was the first to suggest this theorem?

Answer: Daniel Bernoulli.


31) Who in 1643 was the first person to create vacuum above the liquid?

Answer: Evangelista Torricelli.


32) Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?

Answer: Level organization.


33) Which series of hydrogen atomic spectrum lies in the visible region?

Answer: Balmer series.


34) Which atom has only one electron?

Answer: hydrogen.


35) What is the magnification of an electron microscope?

Answer: 100000


36) Who invented Leyden jar?

Answer: Pieter Van Musschenbroek and  Ewald Georg von Kleist.


37) Who in 1786 invented the gold leaf electro scope?

Answer: Abraham Bennet.


38) Expand the TMV.

Answer: Tobacco Mosaic Virus.


39) Who proposed elliptical orbits?

Answer: Sommerfeld.


40) The path of the electron according to Niels Bohr’s theory was called what?

Answer: Orbit shell.


41) Which is the monocarpic plant which shows gregarious flowering once in 48 years?

Answer: Bamboo.


42) Which famous Danish physicist in 1675 measured the speed of light?

Answer: Romer.


43) Who encouraged Newton to write his idea for principia?

Answer: Edmund Halley.


44) What is DNA?

Answer: Deoxyribonucleic acid.


45) How many atomic orbitals are known? What are they?

Answer: Four. S, p, d, and f.


46) How many electrons can be accommodated in the M shell?

Answer: 18.


47) Write an example of serendipity.

Answer: Discovery of penicillin by Fleming.


48) What did Sir William Herschel discover in 1800?

Answer: Infra-red radiation.


49) Who in 1808 discovered polarization of light and introduced the term ‘Polarization’?

Answer: Etienne-Louis Malus.


50) What is Histology?

Answer: Histology is the study of tissues (Microscopic anatomy)


General Science Questions and Answers – Basic Science Quiz Part 2


51) What is the maximum number of electrons that can be accommodated in an orbital?

Answer: 2.


52) An electron jumps in to the next lower orbit when loses what?

Answer: One quantum of energy.


53) What do you mean by Hydroponics?

Answer: Plant growth in liquid culture medium.


54) In which year did G.S. Ohm formulate Ohm’s law?

Answer: 1827.


55) The first scientist to apply scientific reasoning to cosmology was Rene Descartes. What was his theory called?

Answer: Vortex Theory.


56) In which year did A. Michelson and E. Morley conduct their experiment to verify the existence of ether?

Answer: 1887.


57) How many orbitals present 5f subshell?

Answer: Seven.


58) Which is the free living soil bacteria in fixes nitrogen?

Answer: Azotobacter.


59) What is the technique of separation of disrupted cell components?

Answer: Fractionation.


60) How many orbitals are there in p-subshell?

Answer: Three.


61) Name the organelle where photosynthesis takes place?

Answer: Chloroplast.


62) Who in 1939 suggested the name meson for middle-weight particles?

Answer: Homi J. Bhabha.


63) Name the scientist who described about reactions that go forward and backward.

Answer: Berthollet.


64) The various orbitals of the same subshell will differ in what?

Answer: In their direction orientation.


65) What is called the Weinberg and Salam theory unifying electromagnetic forces and weak nuclear interaction?

Answer: Electroweak theory.


66) What is Physiology?

Answer: Physiology is the study of structure and functions.


67) What are the three kinds of plastids?

Answer: 1. Leucoplasts, 2. Chloroplasts, 3. Chromoplasts.


68) What is the importance of 2nd December 1942?

Answer: The creation of the first controlled chain reaction.


69) What is the color of solution obtained when hydrolysis of ferric chloride takes place?

Answer: Chocolate.


70) Electron is looked upon as a cloud of negative charge according to what?

Answer: Wave-mechanics theory.


71) What is the name of the hypothetical theory that would unify all the fundamental forces of nature?

Answer: super grand unified theory.


72) What is Cell Biology?

Answer: Cell Biology is the study of structure and reproduction of cells.


73) What is the other name for Nastic movement?

Answer: Sleep movement.


74) Which philosopher conjectured that if the moon did not move, it would fall upon the earth?

Answer: Anaxagoras.


75) What is the name of process used for manufacturing ammonia direct from Nitrogen and hydrogen elements?

Answer: Haber process.


76) The subshell consisting of dumb-bell shaped orbitals is known as what?

Answer: P-subshell.


77) What is called exchange of energy between one particles and an electromagnetic wave?

Answer: Interaction.


78) What do you mean by Genetics?

Answer: Genetics is the study of heredity and variations.


79) What is cladode?

Answer: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia.


80) Who said, “A bird is an instrument working according to the mathematical laws”?

Answer: Leonardo da Vinci.


81) What accelerate the forward and backward reactions equally in a reversible reaction?

Answer: Catalyst.


82) The region of space around the nucleus where there is a high probability of finding an electron is called what?

Answer: Orbital.


83) What does Frank-Hertz experiment establish?

Answer: The Frank-Hertz experiment establish that there are discrete energy levels in atoms.


84) Write a Radio isotope.

Answer: I-131


85) What is the male reproductive part of the flower known as?

Answer: Stamens.


86) Who said, “All falling bodies, irrespective of their size, descend at the same speed”?

Answer: Galileo Galilei.


87) What happens if a reversible reaction continues for a long time as a closed system?

Answer: Both the reactions continue at the same speed.


88) The major shell-wise electronic configuration of element with the atomic number 15 is what?

Answer: 2, 8, 5


89) In which regions of the spectrum, Hyman and balmer series lie?

Answer: They lie in ultraviolet and visible regions respectively.


90) How does the living and non-living resemble up to the level organization?

Answer: Molecules and compounds.


91) Name the instrument used to demonstrate geotropism?

Answer: Clinostat.


92) Which Austrian physicist developed the philosophy that all knowledge is simply sensation?

Answer: Ernest Mach.


93) Which is the most suitable temperature for the production of sulfur trioxide from sulfur dioxide and oxygen?

Answer: 450° C.


94) Who put forward the principle of uncertainty?

Answer: Werner Heisenberg.


95) In which regions of the spectrum, the Paschen series lies?

Answer: In ultraviolet and infra-red.


96) What number of chemicals are present in a cell?

Answer: About 5000.


97) What are the types of flagella noticed in Algae?

Answer: Whiplash, Tinsel.


98) Who contemplated “A freely floating magnet orients itself in the north-south direction?

Answer: Robert Norman.


99) What happens if a reversible reaction is allowed to continue uninterrupted?

Answer: It will finally reach a stage at which the concentrations of reactants and products remain without any change.


100) When electron leaves an orbital and jumps in to another?

Answer: When its energy changes.


General Science Questions and Answers – Basic Science Quiz Part 3


101) Who gave principle that “any given quantum orbit in an atom can be occupied by no more than two electrons”?

Answer: Pauli.


102) Write an example of homeostasis.

Answer: Increased heart beat on running and sweating during exercise.


103) What are Atrichous bacteria?

Answer: Bacteria which do not have flagella are called Atrichous bacteria.


104) Who gave the idea “Electricity flows through space from heated metal”?

Answer: Thomas Alva Edison.


105) What happened if the concentration of the reactants is increased in a reversible reaction?

Answer: Concentration of the product increases.


106) The electronic configuration of an atom is 2, 8, and 2. What is its atomic number?

Answer: 12.


107) Who introduced the concept of electron spin?

Answer: Uhlenbeck and Goudsmit.


108) Which is called blue-print of information?

Answer: DNA.


109) What are the other names for dark reaction of photosynthesis?

Answer: Blackman’s reaction or Calvin cycle.


110) “Moving particles have wave characteristics.” Who proposed the idea first?

Answer: Victor de Broglie.


111) Who put forward a principle relating to the equilibrium system?

Answer: Le Chatelier.


112) What do you mean by orbitals?

Answer: They are regions of space around the nucleus where the probability of finding an electron is maximum.


113) In which form is energy radiated from a source?

Answer: Photons.


114) Which cells are programmed to die during embryonic stage?

Answer: Vessel elements.


115) What is the most common nutritive tissue for the developing embryos in angiosperm known as?

Answer: Endosperm.


116) Who suggested that light is made up of packets of energy known as protons?

Answer: Albert Einstein.


117) How is Le Chatelier principle useful to us?

Answer: It helps us to infer the effect of the change of concentration, pressure, or temperature on an equilibrium system.


118) What are the integers used to express the energy, posit, etc. of an electron?

Answer: Quantum numbers.


119) What must we consider to explain fine structure of the spectrum of hydrogen atom?

Answer: Spin angular momentum.


120) Why virus cannot be cultured in totally artificial medium?

Answer: Because it lacks machinery to use genetic information.


121) What is an animal?

Answer: The word animal comes from Latin, meaning breath or soul. It includes mammals, birds, reptiles, fish, frogs, clams, lobsters, insects, worms, and jelly-fish.


122) Who first gave the concept of ‘Atom’?

Answer: Kanada.


123) The substance which conducts electricity with the help of the ions present in them is called what?

Answer: Electrolytes.


124) The steady state from which no spontaneous change takes place is called what?

Answer: Equilibrium.


125) What is the use of Altimeter?

Answer: To measure the altitude.


126) What are seedless plants called?

Answer: Cryptogams.


127) What are invertebrates?

Answer: They are a division of the animals which have no vertebral column.


128) How many times is the proton heavier than the electron?

Answer: 1836 times.


129) Write the name of an anion.

Answer: Hydroxide ion.


130) What is the color of ammonium chloride?

Answer: White.


131) What is the use of Ammeter?

Answer: To measure the flow of electric current.


132) What is Dendrology?

Answer: The study of trees called Dendrology.


133) Which is the biggest cell?

Answer: The egg of the bird ostrich.


134) What is AMU?

Answer: It is the unit of atomic mass.


135) Write the name of an insulator.

Answer: Glass.


136) The chemical reactions which never go to completion are called what?

Answer: Reversible reactions.


137) What is the use of Anemometer?

Answer: To measure the speed or force of the wind.


138) Energy is converted from sunlight and released by what?

Answer: Respiration.


139) Gave the names of three fur bearing animals?

Answer: The sable, a kind of antelope, mink and the arctic fox are fur bearing animals.


140) The energy released from the sun and the other stars is due to what?

Answer: Nuclear fusion.


141) Which is the best conductor of electric current?

Answer: Silver.


142) In the manufacture of ammonia from hydrogen and nitrogen the pressure used is.

Answer: Very high.


143) What is the use of electroscope?

Answer: To measure the electrostatic charge.


144) Name the process by which plants prepare their food.

Answer: Photosynthesis.


145) Which living animal has the longest lifespan?

Answer: Tortoise.


146) The force that tends to make a nucleus fly apart?

Answer: Electrostatic repulsion.


147) Which is the non-conductor of electricity?

Answer: Wood.


148) The process of manufacture of Sulfuric acid is named as what?

Answer: Contact process.


149) What is the use of Calorimeter?

Answer: To measure the amount of heat.


150) What is Tonoplast?

Answer: Tonoplast is the membrane around the plant vacuoles.


General Science Questions and Answers – Basic Science Quiz Part 4


151) What is a flying fox?

Answer: It is a kind of bat.


152) Which force is responsible to keep the atomic nuclei together?

Answer: Nuclear force only.


153) Which substance increases its electrical resistance on increasing temperature?

Answer: Metallic conductors.


154) What is the color of ferric thiocyanate?

Answer: Deep red or blood red.


155) What is the use of Speedometer?

Answer: To indicate the speed of a vehicle.


156) What is the other name of root cap?

Answer: Calyptra.


157) Which is the largest marsupial?

Answer: Red kangaroo.


158) How do the electrons move according to the Rutherford model of the atom?

Answer: Electrons orbit the positively charged nuclei.


159) Who gave the scientific explanation to the electrolytic reaction?

Answer: Faraday.


160) What is known as a system of reacting substances in which the concentrations of reactants and product do not undergo any change?

Answer: Chemical equilibrium.


161) What is the use of Rectifier?

Answer: It is an apparatus for condensing a hot vapor to a liquid in distillation.


162) What is Anemophily?

Answer: It is the pollination by wind.


163) How do mammals communicate?

Answer: They communicate by sounds, touch, visual clues, and odor.


164) What does the phenomenon of photo-electric emission establish?

Answer: The quantum nature of light.


165) Which do not conduct electricity?

Answer: Non-Metals.


166) What is dissociation?

Answer: Reversible decomposition is called dissociation.


167) What is the use of Gyroscope?

Answer: To illustrate dynamics of rotating bodies.


168) What is pollination?

Answer: The transference of pollen grain from the another of a flower to the stigma is known as pollination.


169) What is a viviparous?

Answer: A viviparous animal is one that gives birth to young ones.


170) When does the emission of energy take place?

Answer: An electron jumps from the higher orbit to the lower orbit.


171) Which non-metal shows metallic conduction?

Answer: Graphite.


172) What is the color of Phenolphthalein in sodium hydroxide solution?

Answer: Pink.


173) What is the use of Barometer?

Answer: To measure the atmospheric pressure.


174) What is Clinostat?

Answer: Clinostat is an apparatus used to demonstrate photoperiodism.


175) What is Murrah?

Answer: It is a hybrid buffalo which is a high milk producer.


176) What did Rutherford’s gold foil experiment prove?

Answer: Positively charged protons are contained in the nucleus of the atom.


177) Which compound produced by anodic oxidation?

Answer: Potassium permanganate.


178) Which substance obtained on cooling the vapor produced on heating ammonium chloride?

Answer: Ammonium chloride.


179) What the use of Fathometer?

Answer: To measure the depth of water.


180) Name the process by which terrestrial plant loses water?

Answer: Transpiration.


181) Which is the tallest living animal?

Answer: Giraffe.


182) What are Alpha particles?

Answer: Helium nucleus.


183) When sodium chloride solution is electrolyzed what is obtained at the anode?

Answer: Chlorine.


184) When temperature is decreased the speed of the reaction increases. Which was the action?

Answer: Exothermic.


185) What is the use of Periscope?

Answer: To observe objects on the surface from the submarine.


186) What is the term used for the occurrence of more than one type of morphologically different leaves on the same plant?

Answer: Heterophylly.


187) Which is the biggest land animal?

Answer: African bush elephant.


188) How does Alpha, Beta and Gama radiations come out of a radioactive substance?

Answer: spontaneously.


189) A substance which does not conduct electricity with the help of mobile electron?

Answer: Copper sulfate solution.


190) Write an example of an irreversible reaction.

Answer: The neutralization of sodium hydroxide with hydrochloric acid.


191) What is the purpose of Mariner’s compass?

Answer: To find the direction of the ship in the sea.


192) In which country the hormone gibberellin was discovered?

Answer: Japan.


193) How many species are there in mammals?

Answer: There are forty thousand species.


194) Where is installed the most powerful accelerator, the atom smasher?

Answer: Illinois, USA.


195) When a concentrated solution of copper sulfate is electrolyzed which ion gets discharged at the anode?

Answer: Hydroxide ion.


196) A factor which is unable to alter the equilibrium state of reactions in which only solids or liquids are present is?

Answer: Pressure.


197) What is the use of Stereoscope?

Answer: To see the photos taken by two cameras placed at two different angles.


198) Name the natural process involving loss of water from a plant in the form of liquid drops.

Answer: Guttation.


199) What is Pangolin?

Answer: It is a mammal which does not have teeth.


200) Where in India is cyclotron, the particle accelerator machine installed?

Answer: Kolkata.


General Science Questions and Answers – Basic Science Quiz Part 5


201) Which are the metals manufactured by electrolytic process?

Answer: Na, K, Ca, Mg, Al.


202) Chemical equilibrium is said to be dynamic in nature. Why?

Answer: Because even after reaching equilibrium forward and backward reactions are taking place at the same rate.


203) What is the use of Callipers?

Answer: To measure the internal and external diameter of a tube.


204) What is the technical name of the natural opening in the leaves meant for gaseous exchange?

Answer: Stomata.


205) Which is the animal that never drinks water?

Answer: Kangaroo rat.


206) X-rays consists of what?

Answer: Electromagnetic radiations.


207) Which ions are attracted to the cathode?

Answer: Cations.


208) What must be constant for the system to reach equilibrium?

Answer: Temperature.


209) What is the purpose of a Geiger counter?

Answer: To detect and count nuclear particles and radiation.


210) What are Heliophytes and Sciophytes?

Answer: Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade.


211) What is Herbivorous?

Answer: Herbivorous is the term used to describe plant eating animals.


212) What are cosmic rays?

Answer: High energy particles.


213) The atoms or groups of atoms that carry electrical charge are called what?

Answer: Ions.


214) What do you understand by chemical equilibrium?

Answer: The stat of a system of reacting substances in which the concentration does not change is called chemical equilibrium.


215) What is the use of Cardiograph?

Answer: It is an instrument to record the beats of heart.


216) Name the four insectivorous plants.

Answer: 1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Utricularia.


217) Which are the mammals that lay eggs?

Answer: Spiny anteaters and the duck-billed platypus.


218) Who discovered positron?

Answer: Anderson.


219) Which chemical reactions take place in a torch cell?

Answer: Chemical energy is converted in to electrical energy.


220) What are the factors affecting the chemical equilibrium?

Answer: The changes in the concentration, temperature, or pressure affect the equilibrium.


221) What is the use of Audiometer?

Answer: To measure the intensity of sound.


222) What is the color of Carotene?

Answer: yellow.


223) How far can a kangaroo jump?

Answer: It can cover a distance of 7 to 9 meters just in one jump.


224) What is ratio of the frequencies of the long wavelength limits of the Hyman and Balmer series of hydrogen?

Answer: 5:27


225) Which is not a characteristic of metallic conductor?

Answer: Electrical conductivity increases with increase in temperature.


226) Name the reactant used in excess in contact process?

Answer: Air.


227) What is the use of Saccharometer?

Answer: To determine the sugar concentration in a liquid.


228) What is the source of chemical energy during photosynthesis?

Answer: Adenosine Triphosphate (ATP)


229) Where is the metameric segmentation occur?

Answer: Annelida.


230) What is called the law of equivalence of mass and energy?

Answer: Einstein’s law.


231) Which is obtained at the cathode when sodium chloride solution is electrolyzed?

Answer: Hydrogen.


232) What is the pressure used in the manufacture of ammonia?

Answer: 1000 atmospheres.


233) What is the use of Photometer?

Answer: To measure the intensity of light.


234) What is the shape of chloroplast in spirogyra?

Answer: Ribbon shaped.


235) Why do animals have hair?

Answer: They help to retain the internally producing heat.


236) What is known as, no two fermions can exist in identical quantum states?

Answer: Pauli Exclusion Principle.


237) Where does reduction take place?

Answer: At the cathode.


238) What is the optimum temperature in the manufacture of ammonia?

Answer: 500° C.


239) What is the use of Hygrometer?

Answer: To measure the humidity of atmosphere.


240) Which plant has the lifespan of 4000 years?

Answer: Gnetum.


241) Which the animal that has a tongue longer than its body?

Answer: Chameleon.


242) What do you mean by the third order of levers?

Answer: The effort is in between the resistance and the fulcrum.


243) Which has greater ability to giveaway electron?

Answer: Sodium atom.


244) Which group contains the elements with the largest atomic size?

Answer: First group.


245) What is the use of Crescograph?

Answer: To measure the growth of plants.


246) Who discovered penicillin?

Answer: Alexander Fleming.


247) Which animal has the biggest brain?

Answer: Sperm Whale.


248) What changes is done by a dynamo?

Answer: Mechanical energy is converted in to electrical energy.


249) Chlorine is manufactured industrially by electrolysis of what?

Answer: Aqueous solution of sodium chloride.


250) The electronegativity of cesium and francium according to Linus Pauling electronegativity scale is?

Answer: 0.7


General Science Questions and Answers – Basic Science Quiz Part 6


251) What is meant by Bean fort scale?

Answer: To measure the scale of wind velocity.


252) Who discovered the vaccine for small pox?

Answer: Edward Jenner.


253) What kind of animals lives underground?

Answer: Bees, badgers, earth worms, turtles and toads.


254) Which is the main source of energy to earth?

Answer: Sun.


255) A metal which is manufactured by electrolysis?

Answer: Sodium.


256) What is mean by ionization energy?

Answer: Energy required to remove an electron.


257) What is the use of Galvanometer?

Answer: To measure electric currents.


258) Won invented the stethoscope?

Answer: Dr. Rene Laennec.


259) Which are the cats that have no tail?

Answer: The Manx and the Siamese.


260) If velocity of a moving body is made 3 times, what happens to its kinetic energy?

Answer: K. E will increase 9 times.


261) Which is obtained when potassium manganite solution is electrolyzed?

Answer: Potassium permanganate.


262) What is the basis for modern classification of the elements?

Answer: Atomic number.


263) What is the use of Epidiascope?

Answer: To project slides and opaque objects like graphs maps etc. on screen.


264) Who discovered the bacterium which causes anthrax?

Answer: Robert Koch.


265) Which animal is the fastest on foot?

Answer: Cheetah.


266) Write an example of a third order of lever.

Answer: Forceps, ice tongs, hook and rod.


267) Electrolytic refining is used to refine what?

Answer: Copper.


268) What kind of elements form co-ordination compound?

Answer: Transition metals.


269) What is the use of Gravimeter?

Answer: To measure the quantity of oil under water.


270) Who invented Golgi bodies?

Answer: Camillo Golgi.


271) Why does the egg happen to be larger in size when compared to the other cells?

Answer: Because the food for the growth of the embryo is stored in egg.


272) Write an example of second order.

Answer: Nut cracker.


273) Among hydroxyl ions and sulfate ions, which has more electron affinity?

Answer: Sulfate ions.


274) What are the elements of second group called?

Answer: Alkaline earth metals.


275) What is the use of Odometer?

Answer: To measure the distance covered by a vehicle.


276) Who first discovered cells?

Answer: Robert Hooke.


277) Which is the aquatic animal with the most developed intelligence?

Answer: Dolphin.


278) What is the unit of work in the C.G.S system?

Answer: Erg.


279) The conductivity of metal is due to what?

Answer: The flow of electrons.


280) Who was the first one to start the classification of elements?

Answer: Mendeleev.


281) What is the use of Microscope?

Answer: To magnify tiny objects.


282) Who discovered the nucleic acid?

Answer? Miescher.


283) What is the average length of dolphin?

Answer: 1.3 meter.


284) By what type of force the work is done when a body falls freely?

Answer: Gravitational force.


285) A substance which is undergoes electrolytic conduction?

Answer: Fused sodium chloride.


286) Name two elements having low ionization energy.

Answer: Cesium and Francium.


287) What is the use of Microphone?

Answer: A device used in sound reproduction systems for converting sound in to electrical energy.


288) Who is called the father of modern biology?

Answer: Aristotle.


289) Name four animals which are put to work by man?

Answer: The donkey, the mule, the camel, the bullocks.


290) What is equal to one watt?

Answer: One joule/second.


291) The negative electrode is called what?

Answer: Cathode.


292) Which element has the highest electron affinity?

Answer: Fluorine.


293) What do you mean by the rate of work done?

Answer: Power.


294) Who discovered insulin?

Answer: Sir Fredrick Grant Banting and J.J.R. Macleod.


295) What is called an animal which eats human flesh?

Answer: Feline.


296) One H.P is equal to what?

Answer: 746 Watts.


297) The electrolyte is suitable for electroplating nickel is what?

Answer: Nickel ammonium sulfate.


298) Which elements form large number of hydrides?

Answer: Carbon.


299) What is the collision when two bodies stick together after the collision?

Answer: Inelastic.


300) Who was the inventor of cortisone?

Answer: Edward Calvin Kendall.