The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?


Options: 1/6,    1/3,    1/8,    1/4

Ans:C,C






More Chemistry Related questions:


SAARC is observing a decade(1991-2000) of which of the following?
Options: Girl child,    Literacy,    Health services to rural poor,    Shelter for all

Ans:A,A


The limit beyond which the stars suffer internal collapse is called the
Options: Raman Effect,    Chandrasekhar limit,    Aurora Borealis,    Quasan Zone

Ans:B,B


Papikonda National Park
Options: Karnataka,Kerala,Tripura,Andhra Pradesh

Ans:Andhra Pradesh,


The molecule which has the highest percentage of ionic character among the following is
Options: HI,    HF,    HCI,    HBr

Ans:B,B


Himalayan Mountaineering Institute is at
Options: Darjeeling,    Dehradun,    Marmago,    Dispur

Ans:A,A


Intensity of sound at a point is ____ its distance from the source.
Options: directly proportional to,    inversely proportional to,    directly proportional to square of,    inversely proportional to square of

Ans:D,D


During eleventh Antarctic Expedition in Nov. 1991/March 1992 ____ was installed.
Options: SODAR (SOnic Detection And Ranging),    Second Permanent Station 'Maitree',    First permanent station 'Dakshin Gangotri',    None of the above

Ans:A,A


Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
Options: Bjarne Stroustrup,    Steve Wozniak,    Ken Thompson,    Niklaus Wirth

Ans:C,C


Sound travels at the fastest speed in
Options: steel,    water,    air,    vacuum

Ans:A,A


In India, which one among the following formulates the fiscal policy?
Options: Planning Commission,    Ministry of Finance,    Finance Commission,    The Reserve Bank of India

Ans:B,B


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

Ans:D,D


Which of the following is not a valid domain name?
Options: Www.yahoo.com,    Www.yahoo.co.uk,    Www.fr.yahoo,    Www.yahoo.fr

Ans:C,C


Bahadur Singh is famous in which of the following?
Options: Athletics,    Swimming,    Boxing,    Weight Lifting

Ans:A,A


Sariska Tiger Reserve
Options: Karnataka,Kerala,Rajasthan,MadhyaPradesh

Ans:Rajasthan,


The northern portion of the western coastal plain is called
Options: Konkan plain,    Malabar coast,    Coromendel coast,    None of the above

Ans:A,A


The first person of Indian origin to be appointed as a judge in U.S. is
Options: P.A.Sangma,    Basava Rajeswari,    R.C.Bharadwaj,    Ridhi Desai

Ans:D,D


The term 'flora' in the context of natural vegetation refers to
Options: assemblage of plant species living in association with each other in a given environmental frame,    plants of a particular region or period, listed by species and considered as a group,    a large tract covered by trees and shrubs and its administration for assessing economic benefits,    role played by species of animals in the maintenance of ecological balance

Ans:B,B


The term of office of a Judge of the International Court of Justice is
Options: five years,    six years,    nine years,    ten years

Ans:C,C


On July 12, 1982, the ARDC was merged into
Options: RBI,    NABARD,    EXIM Bank,    None of the above

Ans:B,B


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

Ans:A,A


The religion of Afghanistan is
Options: Islam,    Buddhism,    Hinduism,    Christianity

Ans:A,A


Where was the headquarters of European Union located?
Options: Brussels,    Paris,    London,    Rome

Ans:A,A


When did Ashoka became emperor of India?
Options: 336 BC,    375 BC,    279 BC,    264 BC

Ans:D,D


How many terminals does a BJT have?
Options: 1,    5,    4,    3

Ans:D,D


Who did Stone Cold Steve Austin wrestle at the 1998 edition of "Over the Edge"?
Options: Cactus Jack,    Mankind,    Dude Love,    Mick Foley

Ans:C,C


With which sport is the 'Choudhury Trophy' associated?
Options: Golf,    Circumnavigation of the earth by car,    Formula One racing,    Buggy-Jumping

Ans:B,B


The members of the parliamentary committee
Options: are appointed by the president in consultation with the prime minister,    are appointed by the president on the recommendation of the speaker,    are taken from various groups and parties in Parliament in proportion to their respective strength,    both (b) and (c)

Ans:C,C


Permanent Secretariat to coordinate the implementation of SAARC programme is located at
Options: Dhaka,    New Delhi,    Colombo,    Kathmandu

Ans:D,D


The major graphite producing country is
Options: Russia,    Sri Lanka,    India,    China

Ans:D,D


Which of the following is the lightest metal?
Options: Mercury,    Lithium,    Lead,    Silver

Ans:B,B


India's first 'Ladies Special' Suburban train was started by which of the Indian Railway Zone?
Options: Southern,    Northern,    Western,    Eastern

Ans:C,C


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

Ans:C,C


Gilt-edged market means
Options: bullion market,    market of government securities,    market of guns,    market of pure metals

Ans:B,B


The average salinity of sea water is
Options: 3%,    3.5%,    2.5%,    2%

Ans:B,B


The material which can be deformed permanently by heat and pressure is called a
Options: thermoplastic,    thermoset,    chemical compound,    polymer

Ans:B,B


Jaspal Rana is associated with which of the following games?
Options: Swimming,    Archery,    Shooting,    Weightlifting

Ans:C,C


The sampling rate, (how many samples per second are stored) for a CD is...?
Options: 48.4 kHz,    22,050 Hz,    44.1 kHz,    48 kHz

Ans:C,C


What is the Commonwealth of Independent States (CIS)?
Options: Group of 53 former colonies of Britain,    Group of 12 former republics of dissolved USSR,    Group of 10 Latin America countries,    Group of Islamic countries in Saudi Arabia region

Ans:B,B


It is easier to roll a barrel full of coal tar than to pull it because
Options: the full weight of the barrel comes into play when it is pulled,    the rolling friction is much less than the sliding friction,    more surface area of the barrel is in contact with the road when it is pulled,    coal tar is a liquid and it flows in the barrel when it is rolled

Ans:B,B


India won its first Olympic hockey gold in...?
Options: 1928,    1932,    1936,    1948

Ans:A,A


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


Which of the following books is written by Rabindranath Tagore?
Options: Rakta Karabi,    Chidambara,    Anand Math,    Durgesh Nandini

Ans:A,A


Which of the following causes Poliomyelitis?
Options: Dengue virus,    Enterovirus,    Mumps virus,    Rhabdovirus

Ans:B,B


Ordinary table salt is sodium chloride. What is baking soda?
Options: Potassium chloride,    Potassium carbonate,    Potassium hydroxide,    Sodium bicarbonate

Ans:D,D


What is the role of WTO (World Trade Organisation)?
Options: To settle trade disputes between nations,    To widen the principal of free trade to sectors such as services and agriculture,    both (a) and (b),    None of the above

Ans:C,C


How much of blood does the normal human heart on each of its contraction pump into the arteries?
Options: 30 cm3,    60 cm3,    30 cm5,    60 cm5

Ans:B,B


Light year is a measurement of
Options: speed of aeroplanes,    speed of light,    Stellar distances,    speed of rockets

Ans:C,C


Navegaon National Park
Options: Karnataka,Kerala,Tripura,Maharashtra

Ans:Maharashtra,


What is the purpose of SAARC?
Options: To promote the welfare of the people of South Asia,    To improve the environment of security in the region,    To accelerate economic growth and cultural development,    All of the above

Ans:D,D


G-15 is a group of
Options: developing countries,    non-aligned countries,    developed countries,    companies

Ans:A,A

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