When were bar code scanners invented?


Options: 1940s,    1950s,    1970s,    1960s

Ans:C,C


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More inventions Related questions:


Magnetism at the centre of a bar magnet is
Options: minimum,    maximum,    zero,    minimum or maximum

Ans:C,C


The smallest glaciers are
Options: mountain or alpine glaciers,    continental glaciers,    piedmont glaciers,    None of the above

Ans:A,A


The nucleus of an atom consists of
Options: electrons and neutrons,    electrons and protons,    protons and neutrons,    All of the above

Ans:C,C


Which of the following is not a part of machinery that settles industrial disputes?
Options: Wage Court,    Works Committee,    Conciliation officers,    Board of Conciliation

Ans:A,A


Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit
Options: X-rays,    ultraviolet light,    visible light,    radio waves

Ans:C,C


What was the first ARPANET message?
Options: "lo",    "hello world",    "mary had a little lamb",    "cyberspace, the final frontier"

Ans:A,A


Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? DiffusionRefractionInternal reflection
Options: I, II and III,    I and II,    II and III,    I and III

Ans:C,C


Who wrote the book 'Reminiscences of the Nehru Age'?
Options: C.D.Deshmukh,    Dr. P.C.Alexander,    M.O.Mathai,    S.C.Rajagopalachari

Ans:C,C


Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
Options: 4.2 seconds,    42 seconds,    4.2 years,    42 years

Ans:C,C


Which is the state with largest urban population?
Options: West Bengal,    Maharashtra,    Kerala,    Goa

Ans:B,B


Which city is called 'White City' of Rajasthan?
Options: Bihar,    Jaipur,    Udaipur,    Jodhpur

Ans:C,C


Who was the man of the match of the 1983 World Cup Final?
Options: Kapil Dev,    Roger Binny,    Sunil Gavaskar,    M. Amarnath

Ans:D,D


Pulakesin II was the most famous ruler of
Options: Chalukyas,    Cholas,    Pallavas,    Satavahanas

Ans:A,A


The position of the prime minister of India is superior to that of his counter-part in Britain because
Options: India is the biggest democracy,    India has adopted the federal system,    India has a written constitution,    his office enjoys constitutional basis

Ans:D,D


O2 released in the process of photosynthesis comes from
Options: CO2,    water,    sugar,    pyruvic acid

Ans:B,B


How many non-permanent Security Council (UNO) members are from Afro-Asian countries?
Options: 5,    15,    2,    1

Ans:A,A


Buxa Tiger Reserve
Options: Karnataka,West Bengal,Tripura,MadhyaPradesh

Ans:West Bengal,


Who invented Automobiles using gasoline?
Options: Leo H Baekeland,    Karl Benz,    Evangelista Torricelli,    Kirkpatrick Macmillan

Ans:B,B


The SAARC movement was launched for
Options: political alliances,    regional cooperation,    cultural exchanges,    military strategy

Ans:B,B


Epoxy resins are used as
Options: detergents,    insecticides,    adhesives,    moth repellents

Ans:C,C


The soil found in areas of heavy rainfall and high humidity, where there is good growth of vegetation is
Options: peat and marshy soil,    saline and alkaline soil,    black soil,    alluvial soil

Ans:A,A


Sound of frequency below 20 Hz is called
Options: audio sounds,    infrasonic,    ultrasonic,    supersonics

Ans:B,B


The R-horizon of soil horizon consists of
Options: unweathered bedrock,    weathered parent material,    plant litter at various levels of decomposition,    None of the above

Ans:A,A


Which of the following drainage systems fall into Bay of Bengal?
Options: Ganga, Brahmaputra and Godavari,    Mahanadi, Krishna and Cauvery,    Luni, Narnada and Tapti,    Both (a) and (b)

Ans:D,D


National Institute of Oceanography is located at
Options: Panaji (Goa),    Lucknow (Uttar Pradesh),    Pune (Maharashtra),    Nagpur (Maharashtra)

Ans:A,A


What are the number of moles of CO2 which contains 16 g of oxygen?
Options: 0.5 mole,    0.2 mole,    0.4 mole,    0.25 mole

Ans:A,A


Soil is formed from the parent rock material by
Options: chemical decomposition,    physical decomposition,    biological decomposition,    All of the above

Ans:D,D


First Olympic Games were held in
Options: 876 BC,    798 BC,    776 BC,    898 BC

Ans:C,C


Chemical formula for water is
Options: NaAlO2,    H2O,    Al2O3,    CaSiO3

Ans:B,B


Without ____ the equator would be much hotter than it is while the poles would be much cooler.
Options: latitudinal redistribution of heat,    cycle of air circulation,    global wind pattern,    All are similar terms

Ans:D,D


The UN Flag is made up of
Options: the white UN Emblem is super-imposed on a light blue background,    the red UN Emblem is super-imposed on white background,    the light blue UN Emblem is super-imposed on white background,    None of the above

Ans:A,A


'No two electrons in an atom can have the same set of four quantum numbers' is
Options: Newton's law,    Bohr's law,    Aufbau principle,    Pauli's exclusion principle

Ans:D,D


What is the relationship between resistivity r and conductivity s?
Options: R = s2,    R = s,    R > s,    R = 1/s

Ans:D,D


The luminous coloured ring, surrounding the sun is called the
Options: nebula,    comet,    asteroid,    corona

Ans:D,D


Brass gets discoloured in air because of the presence of which of the following gases in air?
Options: Oxygen,    Hydrogen sulphide,    Carbon dioxide,    Nitrogen

Ans:B,B


When did US astronauts Neil Armstrong and Edwin E. Aldrin land on the moon?
Options: July 21, 1969,    July 21, 1970,    July 21, 1963,    July 21, 1972

Ans:A,A


Which state gives Mewar Award?
Options: Haryana,    Delhi,    Punjab,    Rajasthan

Ans:D,D


Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
Options: angiosperms,    gymnosperms,    monocotyledons,    dicotyledons

Ans:B,B


Which is the oldest paramilitary force in the country?
Options: Border Security Force (BSF),    Assam Rifles,    Indo-Tibetan Border Police (ITBP),    Coast Guard

Ans:B,B


Pa(Pascal) is the unit for
Options: thrust,    pressure,    frequency,    conductivity

Ans:B,B


Which of these is a search engine?
Options: FTP,    Google,    Archie,    ARPANET

Ans:B,B


The preamble declares India as a sovereign state which implies
Options: India is free to conduct her internal affairs,    India is free to conduct her external affairs,    India is free to conduct here internal as well as external affairs,    None of the above

Ans:C,C


Which of the following is not a member of G-15?
Options: Pakistan,    Malaysia,    Indonesia,    India

Ans:A,A


From the following, choose the set in which names of Secretary-Generals of the UNO are arranged in correct chronological order?
Options: U Thant, Kurt Waldheim, Dag Hammarskjoeld, Trygve Lie.,    Trygve Lie, Dag Hammarskjoeld, U Thant, Kurt Waldheim.,    Trygve Lie, U Thant , Dag Hammarskjoeld, Kurt Waldheim.,    U Thant, Dag Hammarskjoeld, Trygve Lie, Kurt Waldheim.

Ans:B,B


Guru Ghasidas (Sanjay) National Park
Options: Karnataka,Kerala,Chhattisgarh,MadhyaPradesh

Ans:Chhattisgarh,


Placenta is the structure formed
Options: by the union of foetal and uterine tissue,    by foetus only,    by fusion of germ layers,    None of these

Ans:A,A


Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?
Options: Banjo,    Oboe,    Clarinet,    Harmonium

Ans:D,D


Which of the following is not a part of the Internet?
Options: World Wide Web,    Email,    CD-ROM,    HTTP

Ans:C,C


The relative abundance of dissolved salts in seawater in descending order is as follows
Options: chlorine, sodium, sulphate, magnesium, calcium, potassium,    sodium, chlorine, magnesium, potassium, sulphate, calcium,    chlorine, magnesium, calcium, sodium, potassium, sulphate,    chlorine, sodium, magnesium, calcium, potassium, sulphate

Ans:A,A


Profit made when an asset is sold more than the price at which it was bought is called
Options: capital,    capital-gain,    capitalism,    None of the above

Ans:,

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