The main active constituent of tea and coffee is


Options: nicotine,    chlorophyll,    caffeine,    aspirin

Ans:C,C






More Chemistry Related questions:


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

Ans:D,D


Which scientist discovered the radioactive element radium?
Options: Isaac Newton,    Albert Einstein,    Benjamin Franklin,    Marie Curie

Ans:D,D


Which of the following Akademis is responsible for fostering the development of dance, drama and music in India?
Options: National School of Drama,    Sangeet Akademi,    Sahitya Akademi,    Lalit Kala Akademi

Ans:B,B


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

Ans:A,A


Which of the following English films was the first one to be dubbed in Hindi?
Options: Aladdin,    Universal Soldier,    Speed,    Iron Man

Ans:A,A


Who won 2017 nobble for Physics
Options: rainer weiss,barry barish,kip thorne,J. Michael Kosterlitz,Duncan Haldane,David J. Thouless

Ans:A,rainer weiss,barry barish,kip thorne


The only private sector refinery set up by Reliance Petroleum Ltd. is located at
Options: Guwahati,    Jamnagar,    Mumbai,    Chennai

Ans:B,B


Sonia Nazario of "Los Angeles Times" was awarded Pulitzer Prize in 2003 for
Options: commentary,    editorial writing,    music,    feature writing

Ans:,


Which industries are found in Goa?
Options: Mining and various small-scale industries like manufacturing soaps, paper and so on,    steel and cement industries,    Oil refineries,    None of the above

Ans:A,A


Vijayalakshmi Pandit was
Options: the first women minister of an Indian state (UP),    the first women to become president of the UN General Assembly,    the first Indian women Ambassador to Moscow,    All of the above

Ans:D,D


When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?
Options: Fundamental,    Fall,    Force,    Figure

Ans:D,D


The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
Options: liquation,    leaching,    levigation,    magnetic separation

Ans:C,C


The leading state in producing paper is
Options: Bihar,    West Bengal,    Kerala,    Orissa

Ans:B,B


Compact discs, (according to the original CD specifications) hold how many minutes of music?
Options: 74 mins,    56 mins,    60 mins,    90 mins

Ans:A,A


The horizontal of soil profile is composed of
Options: weathered parent material that is not affected by translocation and organic modification,    material affected by translocation & organic modification,    unweathered bedrock,    None of the above

Ans:A,A


India's first atomic reactor was
Options: Zerlina,    Dhruva,    Apsara,    Kamini

Ans:C,C


Hemis National Park
Options: Karnataka,Kerala,Jammu and Kashmir,MadhyaPradesh

Ans:Jammu and Kashmir,


The smallest annual temperature range occurs in the
Options: equatorial tropical climate zone,    subtropical climate zone,    temperate climate zone,    polar climate zone

Ans:A,A


The members of Lok Sabha are
Options: directly elected by the people,    indirectly elected,    nominated,    partly elected and partly nominated

Ans:A,A


Which is/are the important raw material(s) required in cement industry?
Options: Gypsum and Clay,    Clay,    Limestone and Clay,    Limestone

Ans:C,C


The present forest area of India, according to satellite data, is
Options: increasing,    decreasing,    static,    decreasing in open forest area but increasing in closed forest area

Ans:B,B


Which is the oldest monuments?
Options: Qutub Minar,    Ajanta Caves,    Khajurah,    Taj Mahal

Ans:B,B


Solar eclipse will take place when
Options: the sun is between the moon and the earth,    the earth is between the moon and the sun,    the moon is between the sun and the earth,    the moon does not lie on the line joining the sun and the earth

Ans:C,C


The ELECTRIC BATTERY, who's charged with inventing this one?
Options: Hertz,    Amper,    Galvani,    Volta

Ans:D,D


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

Ans:D,D


South Africa joined the Commonwealth as 51st member in
Options: May 1993,    May 1994,    May 1995,    May 1996

Ans:B,B


Who was the first American female to patent her invention, a method of weaving straw with silk?
Options: Marjorie Joyner,    Margaret Knight,    Amanda Jones,    Mary Kies

Ans:D,D


Tripitakas are sacred books of
Options: Buddhists,    Hindus,    Jains,    None of the above

Ans:A,A


The heat required to raise the temperature of body by 1 K is called
Options: specific heat,    thermal capacity,    water equivalent,    None of the above

Ans:B,B


Who was the first Indian to win an individual medal in Olympics?
Options: Milkha Singh,    P.T.Usha,    Karnam Malleshwari,    K.D.Jadhav

Ans:D,D


The isotope of uranium capable of sustaining chain reaction is
Options: U-235,    U-245,    U-239,    U-238

Ans:A,A


The highest mountains on earth namely Mount Everest, K2, Kanchenjanga are located in
Options: the greater Himalayas,    the Lesser Himalayas,    the outer Himalayas,    None of the above

Ans:A,A


Movements due to light are shown by
Options: flowering plants,    lower plants,    all land plants,    all the plants

Ans:A,A


Who had an explosive idea and first patented DYNAMITE?
Options: J. R. Gluber,    A. Nobel,    G. Fawks,    W. Bickford

Ans:B,B


Marco Polo
Options: discovered Greenland,    travelled through China, India and other parts of Asia,    travelled round the cape of Good Hope,    discovered Canada

Ans:B,B


In which of the following festivals are boat races a special feature?
Options: Onam,    Rongali Bihu,    Navratri,    Pongal

Ans:A,A


The type of glass used in making lenses and prisms is
Options: jena glass,    soft glass,    pyrex glass,    flint glass

Ans:D,D


The victories of Karikala are well portrayed in
Options: Palamoli,    Aruvanad,    Pattinappalai,    Padirrupattu

Ans:C,C


The graphite rods in the nuclear reactor
Options: react with U to release energy,    produce neutrons,    undergo combustion which triggers the nuclear fission,    convert fast moving neutrons into thermal neutrons

Ans:D,D


Gypsum is added to cement clinker to
Options: increase the tensile strength of cement,    decrease the rate of setting of cement,    facilitate the formation of colloidal gel,    bind the particles of calcium silicate

Ans:B,B


Tansen was
Options: a great exponent of Indian classical music,    one of the nine gems in the court of Akbar,    both (a) and (b),    None of the above

Ans:C,C


What is the name of the person that controls a football match?
Options: A referee,    An umpire,    A spectator,    A goalkeeper

Ans:A,A


What James Watt invented?
Options: Diving bell,    Steam boat,    Hot air balloon,    Rotary steam engine

Ans:D,D


The Golf player Vijay Singh represents
Options: Canada,    Fiji,    Sri Lanka,    India

Ans:B,B


Sanjay National Park2
Options: Karnataka,Kerala,Madhya Pradesh,MadhyaPradesh

Ans:Madhya Pradesh,


The mica belt of the Himalayas, the major part of it is situated in
Options: Andhra Pradesh,    Bihar,    Rajasthan,    West Bengal

Ans:B,B


Made from a variety of materials, such as carbon, which inhibits the flow of current...?
Options: Choke,    Inductor,    Resistor,    Capacitor

Ans:C,C


For what does the world owe Almon Strowger a debt of gratitude?
Options: Parking Meters,    Vending Machines,    Automatic Telephone Exchanges,    Traffic Lights

Ans:C,C


The metal that is used as a catalyst in the hydrogenation of oils is
Options: Ni,    Pb,    Cu,    Pt

Ans:A,A


The name of the union given in the Constitution is
Options: Hindustan or Bharatavarsha,    India or Hindustan,    India or Bharat,    Bharatadesh or India

Ans:C,C

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