Suitable impurities are added to a semiconductor depending on its use. This is done in order to


Options: increase its life,    enable it to withstand higher voltages,    increase its electrical conductivity,    increase its electrical resistivity

Ans:C,C






More physics Related questions:


The process of destruction or dying of fronts is called
Options: fromtogenesis,    frontolysis,    both (a) and (b),    None of the above

Ans:B,B


The type of root system of all of the following is tap root system, except that of
Options: mango tree,    kachnar tree,    sunflower plant,    maize plant

Ans:D,D


Process of cell division can take place by
Options: heterosis,    fusion,    mitosis,    None of these

Ans:C,C


When the batsman, in cricket, is out without scoring a single run, is called
Options: drive,    duck,    flight,    googly

Ans:B,B


Michael Ferraria is associated with which games/sports?
Options: Billiards,    Karate,    Hockey,    Tennis

Ans:A,A


Economic goods are
Options: all commodities that are limited in quantity as compared to their demand,    Commodities that is available according to their demand,    Commodities that is available more as compared to demand,    None of the above

Ans:A,A


Which of the following is an inland sea?
Options: Caribbean sea,    Caspian sea,    Red sea,    Yellow sea

Ans:B,B


The co-operative credit societies have a
Options: two-tier structure,    three-tier structure,    four-tier structure,    five-tier structure

Ans:B,B


Recently lead free petrol was introduced in our country because
Options: they are not needed now as anti-knock agents,    they tower the efficiency of the engine,    they cause less pollution,    to reduce the cost of petrol

Ans:C,C


The most extensive, commercially useful source of thorium as monazite sand occurs in India at
Options: Orissa coast,    Travancore coast,    West Bengal coast,    Gujarat coast

Ans:B,B


Who was named as the ICC Emerging Player of the Year 2004?
Options: Piyush Chawla,    Gautam Gambhir,    Irfan Pathan,    Suresh Raina

Ans:C,C


Detergents used for cleaning clothes and utensils contain?
Options: bicarbonates,    bismuthates,    sulphonates,    nitrates

Ans:C,C


Oscar Awards are conferred annually by
Options: Academy of Motion Pictures, arts and sciences, USA,    Government of United States,    Hollywood Foreign Press Association,    None of the above

Ans:A,A


Which among the sources of energy tapped in India has shown the largest growth till the Eighth plan?
Options: Hydro,    Thermal,    Gas,    Nuclear

Ans:B,B


The term Ground Stroke is associated with which of the following games?
Options: Cricket,    Badminton,    Tennis,    Draughts

Ans:C,C


Which of the following are the members of SAARC (South Asian Association for Regional Cooperation)?
Options: Bhutan, Bangladesh, India and Pakistan,    Bhutan, Bangladesh, the Maldives, Nepal, India, Pakistan, Afghanistan and Sri Lanka,    Afghanistan, Pakistan, Thailand, Indonesia, Nepal and Sri Lanka,    None of the above

Ans:B,B


The headquarters of International Atomic Energy Agency is located in
Options: Vienna,    London,    Geneva,    Washington

Ans:A,A


out of the following, which is not emitted by radioactive substance?
Options: Electrons,    Electromagnetic radiations,    Alpha particles,    Neutrons

Ans:D,D


Who was named India's Cricketer of the Century by Wisden?
Options: Anil Kumble,    Sachin Tendulkar,    Kapil Dev,    Sunil Gavaskar

Ans:C,C


For what is Charles Babbage (1792-1871) remembered?
Options: Computers,    Telescopes,    Radio-Telegraphy,    Steam Boating

Ans:A,A


Which Indian batsman made three consecutive centuries in his first three Test matches?
Options: Vinoo Mankad,    Mohd. Azaruddin,    S.M. Gavaskar,    G.R. Viswanath

Ans:B,B


Rain water helps to increase the ____ to some extent.
Options: phosphorous contents,    nitrogen contents,    calcium contents,    potash contents

Ans:C,C


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


The oil used in the froth floatation process is
Options: coconut oil,    olive oil,    kerosene oil,    pine oil

Ans:D,D


Kanishka was
Options: the king of Kushan dynasty,    a great conqueror but later became a follower of Buddha,    the only ruler of India whose territory extended up to central Asia,    All of the above

Ans:D,D


Which device can be used to store charge?
Options: Transistor,    Diode,    Capacitor,    Resistor

Ans:C,C


The Indian Institute of Science is located at
Options: Kerala,    Madras,    Bangalore,    New Delhi

Ans:C,C


Plant have ____ while animals lack it.
Options: starch,    cellulose,    protein,    fat

Ans:B,B


Which of the following is a biography of the Lady Mountbatten?
Options: Edwina Mountbatten - A Life of Her Own.,    Edwina Mountbatten - Her relationship with Nehru,    Mountbatten,    Edwina Mountbattten

Ans:A,A


The main objective of centrally sponsored Command Area Development programme is
Options: improving the utilisation of irrigation potential,    optimizing agricultural productivity and production from the irrigated area,    both (a) and (b),    None of the above

Ans:C,C


'.BAK' extension refers usually to what kind of file?
Options: Backup file,    Audio file,    Animation/movie file,    MS Encarta document

Ans:A,A


Sundarbans National Park
Options: Karnataka,Kerala,West Bengal,MadhyaPradesh

Ans:West Bengal,


Who did The Rock beat to win his first WWE Title?
Options: Triple H,    Stone Cold Steve Austin,    Mankind,    Bret Hart

Ans:C,C


The celebrated novel 'The Godfather' was authored by
Options: Harold Robbins,    John Milton,    Victor Hugo,    Mario Puzo

Ans:D,D


What is the population density of Madhya Pradesh?
Options: 202/sq. km,    196/sq. km,    116/sq. km,    68/sq. km

Ans:B,B


What is the function of a dynamo?
Options: To convert heat energy into light energy,    To convert light energy into heat energy,    To convert mechanical energy into electrical energy,    To convert electrical energy into mechanical energy

Ans:C,C


To which king belongs the Lion capital at Sarnath?
Options: Chandragupta,    Ashoka,    Kanishka,    Harsha

Ans:B,B


When did Sachin Tendulkar make his Test debut?
Options: 1986,    1991,    1990,    1989

Ans:D,D


Mumps is a disease caused by
Options: fungus,    bacterium,    virus,    None of these

Ans:C,C


John F. Kennedy was
Options: one the most popular Presidents of USA,    the first Roman Catholic President,    writer of Why England slept and Profile in Courage,    All the above

Ans:D,D


The largest city in Latin America is
Options: Mexico city,    Caracas,    Rio-de-Janeiro,    Buenos Aires

Ans:A,A


Who among the following own the Nobel prize for literature?
Options: Linus Pauling,    Samuel Beckett,    Philip Noel - Baker,    Ralph Bunche

Ans:B,B


Grand Slam in Tennis means a player has to win
Options: Australian open, French open, U.S. open and Wimbledon,    Australian open, U.S. Open and Wimbledon,    Australian open, French open and Wimbledon,    French open, Wimbledon

Ans:A,A


The serial 'India's Rajiv' was produced and directed by
Options: Simmi Garewal,    Satyajit Ray,    Shyam Benegal,    Mira Nair

Ans:A,A


The tropical cyclones with maximum sustained surface winds of 33 ms are called
Options: tropical depressions,    tropical storms,    hurricane,    None of the above

Ans:C,C


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


Which of the following countries is not a member of a SAARC
Options: Sri Lanka,    Myanmar,    Maldives,    Bhutan

Ans:B,B


Which day is observed as World Food Day?
Options: September 10,    August 16,    November 4,    October 16

Ans:D,D


Supersonic plane fly with the speed
Options: less than the speed of sound,    of sound,    greater than the speed of sound,    of light

Ans:C,C


Plants growing on sand are called as
Options: chasmophytes,    oxylophytes,    lithophytes,    psammophytes

Ans:D,D

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