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General Science Gk Objective Questions Series #56 Ques=(2751-2800)

General Science Gk Objective Questions Series #56 Ques=(2751-2800) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #56 Ques=(2751-2800)

Question 151 : Who is known as the inventor of steam engine
1. William Murdoch
2. James Watt
3. Graham Bell
4. Michael Faraday

Question 152 : Which blood goup is known as ‘universal donors’ group
1. AB Group
2. A Group
3. B Group
4. O Group

Question 153 : Which blood goup is known as ‘universal recipients’ group
1. AB Group
2. A Group
3. B Group
4. O Group

Question 154 : Which one is the largest organ in a human body
1. Skin
2. Liver
3. Kidney
4. Lung

Question 155 : Which gas contains in largest volume in our atmosphere
1. Oxygen
2. Carbon
3. Nitrogen
4. Argon

Question 156 : Which gas is also known as laughing gas
1. Nitrogen
2. Nitrous Oxide
3. Chlorine
4. Methane

Question 157 : Edward Jenner is famous for the invention of
1. Penicillin
2. Smallpox vaccine
3. Measles vaccine
4. None of the above

Question 158 : Who first developed the polio vaccines
1. Jonas Salk
2. Alexander Fleming
3. Edward Jenner
4. Howard Florey

uestion 159 : How many US patents are in the name of Thomas Alva Edison
1. 176
2. 435
3. 822
4. 1093

Question 160 : What was the code name of the first nuclear test conducted by USA on 16th July, 1945
1. Hurricane
2. Trinity
3. RDS-1
4. None of the above

Question 161 : Who is known as the inventor of Hydrogen bomb
1. Enrico Fermi
2. George Gamow
3. Edward Teller
4. Hans Bethe

Question 162 : Albert Einstein received Nobel Prize in the year
1. 1912
2. 1915
3. 1918
4. 1921

Question 163 : Who has formulated the Periodic Table for chemical element
1. Dmitri Mendeleev
2. Georges Cuvier
3. Pierre Curie
4. Alfred Wegener

Question 164 : Who is known as the father of evolution
1. Gregor Mendel
2. Otto Hahn
3. Charles Darwin
4. Sigmund Freud

Question 165 : Nobel Prize except the Peace Prize is awarded in
1. Oslo
2. Stockholm
3. London
4. Zurich

Question 166 : Who is the first woman to win a nobel prize
1. Marie Curie
2. Irene Joliot-Curie
3. Gertrude B. Elion
4. Rosalyn Yalow

Question 167 : When the nobel prizes were first awarded
1. 1900
2. 1901
3. 1907
4. 1896

Question 168 : Who invented telescope
1. Galileo Galilei
2. Hans Lipperhey
3. Copernicus
4. None of the above

Question 169 : Which scientist formulated ‘the theory of evolution’
1. Charles Darwin
2. Isaac Newton
3. Aristotle
4. Alexander Fleming

Question 170 : Who is known as the father of electricity
1. Alexander Graham Bell
2. Benjamin Franklin
3. Michael faraday
4. None of the Above

Question 171 : Where the headquater of Indian Statistical Institute is located
1. Delhi
2. Kolkata
3. Amritsar
4. Bangalore

Question 172 : Total number of indian research station in Antarctica
1. 3
2. 5
3. 2
4. 6

Question 173 : Which one is the first permanent base station of India in Antarctica
1. Maitri
2. Bharat
3. Dakshin Gangotri
4. None of the Above

Question 174 : Who was the leader of the first expedition to Antarctica started by India
1. Sayed Z Qasim
2. V K Raina
3. Harsh K gupta
4. Rasik Ravindra

Question 175 : When the first expedition to Antarctica was started by India
1. 1971
2. 1975
3. 1980
4. 1981

Question 176 : Which one is a India’s permanent research station in Antarctica
1. Ganga
2. Agni
3. Maitri
4. None of the above

Question 177 : Where the headquter of Central Institute for Cotton Research is located
1. Nagpur
2. Coimbatore
3. Chennai
4. Sirsa

Question 178 : Where the Headquater of National Academy of Sciences, India is located
1. Delhi
2. Kolkata
3. Pune
4. Allahabad

Question 179 : The National Academy of Sciences, India is founded in the year
1. 1920
2. 1930
3. 1945
4. 1956

Question 180 : The first nuclear test conducted in India under the code-name of Smiling Buddha in the year
1. 1973
2. 1974
3. 1988
4. 1996

Question 181 : Who is known as the father of indian nuclear programme
1. APJ Abdul Kalam
2. Raja Ramanna
3. Homi J Bhabha
4. Vikram Sarabhai

Question 182 : Who was the first chairman of Indian Space Research Organisation(ISRO)
1. K kasturirangan
2. Vikram Sarabhai
3. Satish Dhawan
4. Homi J Bhabha

Question 183 : Which one is India’s First Indigenous Satellite Launch Vehicle
1. PSLV
2. ASLV
3. GSLV
4. SLV-3

Question 184 : India’s first mission to Moon Chandrayaan-1 was launched from the site
1. Wheeler Island
2. Balasore
3. Sriharikota
4. None of the above

Question 185 : Which one is India’s first satellite exclusively used for educational purpose
1. SARAL
2. RISAT-1
3. HAMSAT
4. EDUSAT

Question 186 : Which one is India’s first operational remote sensing satellite
1. IRS-1A
2. INSAT-1A
3. GSAT-1
4. PSLV-D3

Question 187 : Who constructed the ‘Jantar Mantar’ in Jaipur
1. Ram Singh
2. Man Singh I
3. Rana Sanga
4. Jai Singh II

Question 188 : Where is the Central Rice Reseach Institute located
1. Bengaluru
2. Kanpur
3. Coimbator
4. Cuttuck

Question 189 : Who is the president of the Council of Scientific and Industrial Research
1. President of India
2. Vice-President of India
3. Prime Minister of India
4. Union Minister of Science and Technology

Question 190 : Who is founder of Indian Institute of Science, Bangalore
1. Sir A.G. Bourne
2. CV Raman
3. Vikram Sarabhai
4. Jamsetji Tata

Question 191 : Who is known as the father of Indian Nuclear Programme
1. APJ Abdul Kalam
2. Homi J Bhabha
3. Vikram Sarabhai
4. Meghnad Saha

Question 192 : Who was the President of the first Indian Science Comgress meeting held in Kolkata in 1914
1. Prafulla Chandra Roy
2. J. C. Bose
3. Ashutosh Mukherjee
4. Leonard Rogers

Question 193 : The headquarter of Indian Science Congress Association is located in the city
1. Kolkata
2. Mumbai
3. Pune
4. Chennai

Question 194 : Who is the creator of World’s second and India’s first test tube baby Durga
1. Devi Prasad Shetty
2. Subhash Mukhopadhyay
3. Pratap Reddy
4. Naresh Trehan

Question 195 : Who is known as the architect of PARAM series supercomputers
1. Vijay P Bhatkar
2. S Ramani
3. SP Mudur
4. None of the above

Question 196 : India’s first supercomputer is known as
1. SAGA
2. PARAM 8000
3. EKA
4. PARAM YUVA

Question 197 : India’s first unmanned lunar probe Chandrayaan-1 was launch from
1. Thiruvanathapuram
2. Wheeler Island
3. Balasore
4. Sriharikota

Question 198 : ISRO headquarter is located in
1. Delhi
2. Chennai
3. Mumbai
4. Bangalore

Question 199 : Which dam withhold the largest water reservoir in India
1. Bhakra Dam
2. Indrisagar Dam
3. Hirakud Dam
4. Tehri Dam

Question 200 : First hydro electric power plant in India
1. Shimsha
2. Karnataka
3. Darjeeling
4. Satluj

 

General Science Gk Objective Questions Series #56 Ques=(2751-2800) 

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General Science Gk Objective Questions Series #55 Ques=(2701-2750)

General Science Gk Objective Questions Series #55 Ques=(2701-2750)  Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #55 Ques=(2701-2750)

Question 101 : Which of the gas is not known as green house gas?
1. Methane
2. Nitrous oxide
3. Carbon dioxide
4. Hydrogen

Question 102 : Nautical mile is a unit of distance used in
1. navigation
2. road mile
3. astronomy
4. measuring the boundaries of a nation

Question 103 : Epoxy resins are used as
1. detergents
2. insecticides
3. adhesives
4. moth repellents

Question 104 : Paper is manufactured by
1. Wood and resin
2. Wood[comma] sodium and bleaching powder
3. Wood[comma] calcium[comma] hydrogen sulphite and resin
4. Wood and bleaching powder

Question 105 : Permanent hardness of water can be removed by adding
1. chlorine
2. washing soda
3. potassium permanganate
4. bleaching powder

Question 106 : One Joule is equal to
1. 105 ergs
2. 103 ergs
3. 107 ergs
4. 1011 ergs

Question 107 : Isotopes are separated by
1. crystallisation
2. sublimation
3. distillation
4. filtration

Question 108 : Rayon is chemically
1. cellulose
2. pectin
3. glucose
4. amylase

Question 109 : When an iron nail gets rusted, iron oxide is formed
1. without any change in the weight of the nail
2. with decrease in the weight of the nail
3. with increase in the weight of the nail
4. without any change in colour or weight of the nail

Question 110 : Which of the following is not an isotope of hydrogen?
1. Tritium
2. Deuterium
3. Protium
4. Yttrium

Question 111 : Heavy water is
1. deuterium oxide
2. PH7
3. rain water
4. tritium oxide

Question 112 : Decibel is the unit for
1. speed of light
2. radio wave frequency
3. intensity of sound
4. intensity of heat

Question 113 : The property of a substance to absorb moisture from the air on exposure is called
1. osmosis
2. deliquescence
3. efflorescence
4. desiccation

Question 114 : Which of the following has a least penetrating power?
1. All have same penetrating power
2. Beta Particles
3. Alpha particles
4. Gamma rays

Question 115 : The wavelength of X-rays is of the order of
1. 10 micron
2. 1 angstrom
3. 1 cm
4. 1 m

Question 116 : Marsh gas is
1. nitrogen
2. ethane
3. methane
4. hydrogen

Question 117 : Optic fibres are mainly used for which of the following?
1. Musical instruments
2. Food industry
3. Weaving
4. Communication

Question 118 : The two elements that are frequently used for making transistors are
1. boron and aluminium
2. silicon and germanium
3. iridium and tungsten
4. niobium and columbium

Question 119 : Bell metal is an alloy of
1. nickel and copper
2. zinc and copper
3. brass and nickel
4. tin and copper

Question 120 : In which of the following activities silicon carbide is used?
1. Making cement and glass
2. Disinfecting water of ponds
3. cutting very hard substances
4. Making casts for statues

Question 121 : Sodium metal is kept under
1. petrol
2. alcohol
3. water
4. kerosene

Question 122 : The filament of an electric bulb is made of
1. tungsten
2. nichrome
3. graphite
4. iron

Question 123 : Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
1. Television
2. Refrigerator
3. Tube light
4. Cooking gas

Question 124 : Total number of chromosome per cell in human body
1. 46
2. 22
3. 20
4. 36

Question 125 : Which one is first surface to surface missile in India
1. Akash
2. Trishul
3. Nag
4. Prithvi

Question 126 : Deficiency disease Scurvy is caused by the lack of
1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin K

Question 127 : Which one is the nearest planet to the earth
1. Saturn
2. Venus
3. Mars
4. Jupiter

Question 128 : Which gas is used for flying balloons
1. Nitrogen
2. Oxygen
3. Helium
4. None of the above

Question 129 : Where the headquater of NASA is located
1. Los Angeles
2. NewYork
3. Washington
4. Dallas

Question 130 : Which one is a water soluble vitamin
1. Vitamin A
2. Vitamin C
3. Vitamin D
4. None of the above

Question 131 : The smallest and functional unit of kidney is known as
1. Granulocyte
2. Nephron
3. Neuron
4. Granule

Question 132 : Small pox is caused by
1. Virus
2. Bacteria
3. Fungus
4. None of the above

Question 133 : Who is the first space tourist
1. Dennis Tito
2. Richard Garriot
3. Jake Garn
4. None of the above

Question 134 : Who is the first female commander of a space shuttle
1. Kalpana Chawla
2. Eileen Collins
3. Sunita Williams
4. Barbara Morgan

Question 135 : Who is the first woman in space
1. Valentina Tereshkova
2. Sally Ride
3. Kathryn C. Thornton
4. Judith Resnik

Question 136 : In which year Neil Armstrong first landed on the moon
1. 1965
2. 1967
3. 1968
4. 1969

Question 137 : What is the name of the spaceflight that carried Neil Armstrong to the moon
1. Apollo-5
2. Apollo-10
3. Apollo-11
4. Apollo-203

Question 138 : Halley’s Comet was last appeared on the year
1. 1972
2. 1975
3. 1982
4. 1986

Question 139 : Which one is the closest start to our solar system
1. Barnard’s Star
2. Ross 154
3. Proxima Centauri
4. Sirius A and B

Question 140 : Which one is the smallest planet in our solar system
1. Mercury
2. Uranus
3. Neptune
4. Saturn

Question 141 : Which one is the hottest planet in our solar system
1. Mercury
2. Venus
3. Mars
4. Saturn

Question 142 : Which one is the largest natural moon in our solar system
1. Callisto
2. Europa
3. Ganymede
4. Amalthea

Question 143 : Which one is the biggest planet in our solar system
1. Earth
2. Jupiter
3. Saturn
4. Mercury

Question 144 : Who first distinguished the main blood groups in human body
1. Simon Flexner
2. Alexander S. Wiener
3. Paul Ehrlich
4. Karl Landsteiner

Question 145 : Who is known as the father of biology
1. Archimedes
2. Aristotle
3. Vesalius
4. Gustav Fechner

Question 146 : What is the SI unit for pressure
1. Pascal
2. Farad
3. Ohm
4. Joule

Question 147 : The hardest substance available in the world is
1. Platinum
2. Gold
3. Diamond
4. Iron

Question 148 : Total number of chambers in a human heart
1. 1
2. 3
3. 4
4. 2

Question 149 : Which vitamin is produced by the sunlight
1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin D

Question 150 : What is the SI unit of electric current
1. Volt
2. Watt
3. Ampere
4. Ohm

General Science Gk Objective Questions Series #55 Ques=(2701-2750) 

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General Science Gk Objective Questions Series #54 Ques=(2651-2700)

General Science Gk Objective Questions Series #54 Ques=(2651-2700) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #54 Ques=(2651-2700)

Question 51 : In vulcanisation, natural rubber is heated with
1. Carbon
2. Silicon
3. Sulphur
4. Phosphorous

 

Question 52 : Which of the following is an element?
1. Ruby
2. Sapphire
3. Emerald
4. Diamond

 

Question 53 : Which of the following is commonly called a ‘polyamide’?
1. Terylene
2. Nylon
3. Rayon
4. Orlon

 

Question 54 : The main constituents of pearls are
1. calcium oxide and ammonium chloride
2. calcium carbonate and magnesium carbonate
3. aragonite and conchiolin
4. ammonium sulphate and sodium carbonate

 

Question 55 : Detergents used for cleaning clothes and utensils contain?
1. bicarbonates
2. bismuthates
3. sulphonates
4. nitrates

 

Question 56 : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
1. Argon
2. Xenon
3. Helium
4. Krypton

 

Question 57 : From which mineral is radium obtained?
1. Rutile
2. Haematite
3. Limestone
4. Pitchblende

 

Question 58 : The most important ore of aluminium is
1. galena
2. calamine
3. calcite
4. bauxite

 

Question 59 : Knot is a unit of speed of which of the following?
1. Aeroplane
2. Light waves
3. Ship
4. Sound waves

 

Question 60 : Gypsum is added to cement clinker to
1. increase the tensile strength of cement
2. decrease the rate of setting of cement
3. facilitate the formation of colloidal gel
4. bind the particles of calcium silicate

 

Question 61 : The dark lines in the solar spectrum are due to
1. absorption of corresponding wavelengths by the outer layers of the sun
2. destructive interference between waves of certain definite wavelengths
3. absorption of corresponding wavelengths by the prism used in the photograph
4. absence of corresponding wavelengths from the light emitted by the core of the sun

 

Question 62 : Which metal pollute the air of a big city?
1. Copper
2. Chromium
3. Lead
4. Cadmium

 

Question 63 : Galvanised iron sheets have a coating of
1. lead
2. chromium
3. zinc
4. tin

 

Question 64 : In fireworks, the green flame is produced because of
1. sodium
2. barium
3. mercury
4. potassium

 

Question 65 : Atoms are composed of
1. electrons and protons
2. electrons only
3. protons only
4. electrons and nuclei

 

Question 66 : Brass gets discoloured in air because of the presence of which of the following gases in air?
1. Oxygen
2. Hydrogen sulphide
3. Carbon dioxide
4. Nitrogen

 

Question 67 : Permanent hardness of water may be removed by the addition of
1. sodium carbonate
2. alum
3. potassium permanganate
4. lime

 

Question 68 : ‘No two electrons in an atom can have the same set of four quantum numbers’ is
1. Newton’s law
2. Bohr’s law
3. Aufbau principle
4. Pauli’s exclusion principle

Question 69 : Which of the following does not contain a coinage metal?
1. Silver and Gold
2. Zinc and Gold
3. Copper and Silver
4. Copper and Gold

 

Question 70 : Most soluble in water is
1. camphor
2. sulphur
3. common salt
4. sugar

 

Question 71 : Atoms of an element differ from those of all other elements in
1. atomic number and electronic configuration
2. number of neutrons and number of valence electrons
3. atomic number and number of valence electrons
4. number of neutrons and electronic configuration

 

Question 72 : Soap is a mixture of sodium or potassium salts of
1. dicarboxylic acids
2. monocarboxylic acids
3. glycerol
4. tricarboxylic acids

 

Question 73 : Air is a/an
1. compound
2. element
3. electrolyte
4. mixture

 

Question 74 : Fathom is the unit of
1. sound
2. depth
3. frequency
4. distance

 

Question 75 : The type of glass used in making lenses and prisms is
1. jena glass
2. soft glass
3. pyrex glass
4. flint glass

 

Question 76 : One horse power is equal to
1. 746 watts
2. 748 watts
3. 756 watts
4. 736 watts

Question 77 : Very small time intervals are accurately measure by
1. White dwarfs
2. Quartz clocks
3. Atomic clocks
4. Pulsars

 

Question 78 : Which of the following rays are more penetrating?
1. Beta rays
2. Alpha rays
3. Gamma rays
4. X-rays

 

Question 79 : Among the various allotropes of carbon,
1. coke is the hardest[comma] graphite is the softest
2. diamond is the hardest[comma] coke is the softest
3. diamond is the hardest[comma] graphite is the softest
4. diamond is the hardest[comma] lamp black is the softest

Question 80 : Potassium nitrate is used in
1. medicine
2. fertiliser
3. salt
4. glass

Question 81 : Who suggested that most of the mass of the atom is located in the nucleus?
1. Thompson
2. Bohr
3. Rutherford
4. Einstein

Question 82 : Actinides are the elements with atomic numbers from
1. 97 to 104
2. 101 to 115
3. 89 to 103
4. 36 from 43

Question 83 : Nuclear fission is caused by the impact of
1. neutron
2. proton
3. deuteron
4. electron

 

Question 84 : Wood is the main raw material for the manufacture of
1. paint
2. paper
3. ink
4. gun powder

 

Question 85 : Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
1. Thorium
2. Radium
3. Plutonium
4. Radan

 

Question 86 : Non stick cooking utensils are coated with
1. Teflon
2. PVC
3. black paint
4. polystyrene

 

Question 87 : Washing soda is the common name for
1. Sodium carbonate
2. Calcium bicarbonate
3. Sodium bicarbonate
4. Calcium carbonate

 

Question 88 : In an atomic nucleus, neutrons and protons are held together by
1. gravitational forces
2. exchange forces
3. coulombic forces
4. magnetic forces

 

Question 89 : Electric current is measure by
1. commutator
2. anemometer
3. ammeter
4. voltmeter

Question 90 : Chlorophyll is a naturally occurring chelate compound in which central metal is
1. copper
2. magnesium
3. iron
4. calcium

Question 91 : The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
1. bromine
2. fluorine
3. chlorine
4. sulphur

 

Question 92 : Which of the following is a protein?
1. Natural rubber
2. Starch
3. Cellulose
4. None of these

 

Question 93 : Quartz crystals normally used in quartz clocks etc. is chemically
1. silicon dioxide
2. germanium oxide
3. a mixture of germanium oxide and silicon dioxide
4. sodium silicate

 

Question 94 : The isotope of uranium capable of sustaining chain reaction is
1. U-235
2. U-245
3. U-239
4. U-238

Question 95 : Which of the following is used as a moderator in nuclear reactor?
1. Thorium
2. Graphite
3. Radium
4. Ordinary water

Question 96 : Reading of a barometer going down is an indication of
1. snow
2. storm
3. intense heat
4. rainfall

Question 97 : The average salinity of sea water is
1. 3%
2. 3.50%
3. 2.50%
4. 2%

Question 98 : The gas usually filled in the electric bulb is
1. nitrogen
2. hydrogen
3. carbon dioxide
4. oxygen

 

Question 99 : Potassium Permanganate is used for purifying drinking water, because
1. it is a sterilising agent
2. it dissolves the impurities of water
3. it is a reducing agent
4. it is an oxidising agent

Question 100 : Which of the following was to be discovered first in the chromospheres of the sun?
1. Krypton
2. Xenon
3. Neon
4. Helium

General Science Gk Objective Questions Series #54 Ques=(2651-2700) 

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General Science Gk Objective Questions Series #53 Ques=(2601-2650)

General Science Gk Objective Questions Series #53 Ques=(2601-2650) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #53 Ques=(2601-2650)

Question 3 : Which of the following is a non metal that remains liquid at room temperature?
1. Phosphorous
2. Bromine
3. Chlorine
4. Helium
Question 4 : The group of metals Fe, Co, Ni may best called as
1. transition metals
2. main group metals
3. alkali metals
4. rare metals
Question 5 : Balloons are filled with
1. nitrogen
2. helium
3. oxygen
4. argon
Question 9 : Kilowatt is a unit to measure
1. work
2. power
3. electricity
4. current
Question 10 : Which one of the following is the petroleum wax?
1. Paraffin wax
2. Jonoba wax
3. Carnauba wax
4. Bees wax
Question 11 : Which is/are the important raw material(s) required in cement industry?
1. Gypsum and Clay
2. Clay
3. Limestone and Clay
4. Limestone
Question 12 : Carbon, diamond and graphite are together called
1. allotropes
2. isomers
3. isomorphs
4. isotopes
Question 13 : The major ingredient of leather is
1. collagen
2. carbohydrate
3. polymer
4. nucleic acid
Question 14 : How does common salt help in separating soap from the solution after saponification?
1. By decreasing density of Soap
2. By decreasing solubility of Soap
3. By increasing density of Soap
4. By increasing solubility of Soap
Question 16 : The element common to all acids is
1. hydrogen
2. carbon
3. sulphur
4. oxygen
Question 17 : The variety of coal in which the deposit contains recognisable traces of the original plant material is
1. bitumen
2. anthracite
3. lignite
4. peat
Question 18 : The vast resources of unutilised natural gas can be used in the production of
1. graphite
2. Synthetic petroleum
3. fertilisers
4. carbide
Question 21 : The age of most ancient geological formations is estimated by
1. Ra – Si method
2. Potassium – argon method
3. C14 method
4. Uranium – lead method
Question 22 : Which of the following is in liquid form at room temperature?
1. Lithium
2. Sodium
3. Francium
4. Cerium
Question 26 : How many colours the sunlight spectrum has?
1. Three
2. Seven
3. Four
4. Five
Question 27 : Which among the following is a positively charged particle emitted by a radioactive element?
1. Beta ray
2. Alpha ray
3. Cathode ray
4. Gamma ray
Question 28 : Diamond is an allotropic form of
1. germanium
2. carbon
3. silicon
4. sulphur
Question 29 : Which of the following shows the masses of the three elementary particles in decreasing order?
1. Leptons[comma] Baryons[comma] Mesons
2. Mesons[comma] Baryons[comma] Leptons
3. Baryons[comma] Mesons[comma] Leptons
4. Leptons[comma] Mesons Baryons
Question 31 : One kilometre is equal to how many miles?
1. 0.84
2. 0.5
3. 1.6
4. 0.62
Question 32 : Which of the following is used in pencils?
1. Graphite
2. Silicon
3. Charcoal
4. Phosphorous
Question 33 : Which of the following metals remain in liquid for under normal conditions?
1. Radium
2. Zinc
3. Uranium
4. Mercury
Question 34 : Which type of fire extinguisher is used for petroleum fire?
1. Powder type
2. Liquid type
3. Soda acid type
4. Foam type
Question 36 : Deep blue colour is imparted to glass by the presence of
1. cupric oxide
2. nickel oxide
3. cobalt oxide
4. iron oxide
Question 37 : Which of the following metals forms an amalgam with other metals?
1. Tin
2. Mercury
3. Lead
4. Zinc
Question 40 : Chemical formula for water is
1. NaAlO2
2. H2O
3. Al2O3
4. CaSiO3
Question 43 : Which of the following is the lightest metal?
1. Mercury
2. Lithium
3. Lead
4. Silver
Question 45 : The hardest substance available on earth is
1. Gold
2. Iron
3. Diamond
4. Platinum
Question 46 : Which of the following is used for removing air bubbles from glass during its manufacture?
1. Arsenous oxide
2. Potassium carbonate
3. Soda ash
4. Feldspar
Question 48 : One fathom is equal to
1. 6 feet
2. 6 meters
3. 60 feet
4. 100 cm
Question 49 : Which of the following is used as a lubricant?
1. Graphite
2. Silica
3. Iron Oxide
4. Diamond
Question 50 : What is the unit for measuring the amplitude of a sound?
1. Decibel
2. Coulomb
3. Hum
4. Cycles

General Science Gk Objective Questions Series #53 Ques=(2601-2650) 

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General Science Gk Objective Questions Series #52 Ques=(2551-2600)

General Science Gk Objective Questions Series #52 Ques=(2551-2600) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #52 Ques=(2551-2600)

Q.1 Which of the following phenomena cannot be observed on the surface of the Moon?

(A) Rising and setting of the Sun

(B) Solar eclipse

(C) Motion of comets

(D) Twinkling of stars

2. Which of the following planets has a revolution time which is shorter than its rotation time?

(A) Jupiter

(B) Venus

(C) Mars

(D) Uranus

3. Which planet looks reddish in the night sky?

(A) Jupiter

(B) Saturn

(C) Mars

(D) Mercury

4. Which female astronaut spent the maximum time in space?

(A) Lisa Norwak

(B) Kalpana Chawla

(C) Sunita Williams

(D) None of these

5. Which planet has the fastest revolution time?

(A) Mercury

(B) Uranus

(C) Neptune

(D) Jupiter

6. An astronaut in outer space will observe sky as

(A) White

(B) Black

(C) Blue

(D) Red

7. Which of the following planets rotates in a direction opposite to the direction of earth’s rotation?

(A) Mars

(B) Jupiter

(C) Venus

(D) Mercury

8. What is the average distance (approximate) between the Sun and the Earth?

(A) 70 x 105 km

(B) 100 x 105 km

(C) 110 x 106 km

(D) 150 x 106 km

9. NASA’s Deep Impact space mission was employed to take detailed pictures of which comet nucleus?

(A) Halley’s Comet

(B) Hale-Bopp

(C) Hyakutake

(D) Tempel 1

10. Which of the following planets has a lesser rotation time than the Earth?

(A) Jupiter

(B) Mars

(C) Mercury

(D) Venus

11. What is the name of the first woman space tourist?

(A) Jullian Moore

(B) Anousheh Ansari

(C) Paula Radcliffe

(D) Namira Salim

12. Storms of gases are visible in the atmospheres of the Sun during

(A) Cyclones

(B) Anticyclones

(C) Lunar eclipse

(D) Solar eclipse

13. The name of the world’s first black spaceman is

(A) Prensa Latina.

(B) Arnaldo Tamayo Mendez.

(C) Yury Rumanenko.

(D) Robert Mendereze.

14. The first person to enter into space was

(A) Valentina Tereshkova

(B) Edward H. White

(C) Yuri Gagarin

(D) Alan Shepard

15. How much time does light require to travel distance of 150,000,000 kilometers from the Sun to the earth?

(A) 8 1/3 minutes

(B) 8 1/2 minutes

(C) 8 1/4 minutes

(D) 9 minutes

16. The name of the galaxy in which the earth is a planet is

(A) Andromeda

(B) Ursa Major

(C) Ursa Minor

(D) Milky Way

17. The asteroid belt is located between which two planets in the solar system?

(A) Earth and Mars

(B) Mars and Jupiter

(C) Jupiter and Saturn

(D) Saturn and Uranus

18. The planet that lies at the outermost orbit of the solar system is :

(A) Saturn

(B) Neptune

(C) Mercury

(D) Uranus

19. Which of the following planets is named after a Greek God, unlike others which are named after Roman Gods?

(A) Uranus

(B) Neptune

(C) Jupiter

(D) Mercury

20. The planet nearest to the sun is :

(A) Saturn

(B) Jupiter

(C) Mars

(D) Mercury

21. A star of which color can be said to be the coolest?

(A) Yellow

(B) Blue

(C) Red

(D) Black

22. In order to know the time, the astronauts orbiting in an earth satellite should use:

(A) a watch having mainspring to keep it going

(B) a pendulum clock

(C) either a pendulum clock or a watch

(D) an alarm clock

23. The planets on either side of the earth are :

(A) Mercury and Venus

(B) Mars and Jupiter

(C) Mars and Venus

(D) Venus and Saturn

24. Which of the following Planets have no moons?

(A) Pluto and Mercury

(B) Mars and Venus

(C) Mercury and Venus

(D) Pluto and Mars

25. Black hole is :

(A) A dark hollow cavity

(B) A massive collapsing star

(C) The other side on the moon

(D) The other side of sun

26. How old is the solar system (approximately)?

(A) 5 billion years

(B) 50 billion years

(C) 500 billion years

(D) 5 million years

27. Which of the following planets/celestial bodies is nearest to the Sun?

(A) Saturn

(B) Uranus

(C) Neptune

(D) Pluto

28. According to International Astronomical Union which one of the following has lost its status as a planet?

(A) Jupiter

(B) Uranus

(C) Neptune

(D) Pluto

29. ‘New Horizons’ spacecraft was launched by NASA to study which of the following planet?

(A) Mars

(B) Pluto

(C) Jupiter

(D) Mercury

30. The coldest planet in the solar system is :

(A) Pluto

(B) Venus

(C) Uranus

(D) Jupiter

31. Which of the following is the nearest galaxy to the Milky Way?

(A) Andromeda

(B) Cartwheel galaxy

(C) Pinwheel galaxy

(D) Whirlpool galaxy

32. Which planet has the solar system’s highest mountain Olympus Mons?

(A) Jupiter

(B) Uranus

(C) Venus

(D) Mars

33. Which of the following is not a gas planet?

(A) Jupiter

(B) Uranus

(C) Venus

(D) Neptune

Q.41 The first spaceship which carried three American astronauts to land two of them on the moon……..

Ans: Apollo-11

Q.42 The first country to send man to the moon…….

Ans: U.S.A.

Q.43 The first space-vehicle to orbit the moon…….

Ans: Luna-10 (U.S.S.R.)

Q.44 The first unmanned moon buggy to explore surface of the moon…….

Ans: Lunkhead-1 (U.S.S.R.)

Q.45 The first space rocket brought back to earth after orbiting the moon……..

Ans: Zond-5

Q.46 First crew transfer between the orbiting spaceships…….

Ans: Soyuz T-15 with Mir Space Station

Q.47 The first mission of a linking-up in space by manned spaceships of U.S.A. and Soviet Union…….

Ans: Apollo-Soyuz Test Project Mission (ASTP) (launched on July 15 and linked up in space on July 17, 1975)

Q.48 India’s first scientific satellite…….

Ans: Aryabhata

Q.49 The first man to fly into space belonging to a country other than Russia or the U.S.A……….

Ans: Vladimir

Q.50 Russia’s first spaceship with international crew on board……..

Ans: Remake (Czechoslovakia)

Q.51 The first country to send nuclear powered space craft to explore Jupiter……..

Ans: U.S.A.

Q.52 The first Indian to go into space…….

Ans: Rakesh Sharma

Q.53 The first American astronaut to make two space flights ……

Ans: Gordon Cooper (U.S.A.)

Q.54 The first country to launch a cosmic space rocket towards moon…..

Ans: U.S.S.R.

Q.56 The first space rocket to hit the moon…….

Ans: Lunik II

Q.57 The first spaceship in the world to sample moon’s crust……

Ans: Surveyor-3 (U.S.A.)

Q.58 The first space vehicle to soft land on moon……

Ans: Luna-9 (U.S.S.R.)

Q.59 The first manned spaceship to perform the longest stay in space (11 days) …..

Ans: Apollo-7 (U.S.A.)

Q.60 The first manned spaceship to perform space flight round the moon……

Ans: Apollo-8 (U.S.A.)

Q.61 The first American manned spaceship to perform crew transfer in space……

Ans: Apollo-9 (U.S.A.)

Q.62 The first woman of Indian origin in space…….

Ans: Kalpana Chawla

Q.63 The first residents on the International Space Staci…..

Ans: Bill shepherd (U.S.A.), Yuri Gidzenko and Sergei Kalevala (Russia)

Q.64 The first space tourist in the world …..

Ans: Dennis Tito (U.S.A.)

Q.65 The first European woman to international Space Station ……

Ans: Claudie Haignere (French cosmonaut)

Q.66 The first space tourist of S. Africa and second of the world ……

Ans: Mark Shuttleworth (April 2002)

Q.67 The first US space shuttle to explode while returning home killing all the astronauts ……

Ans: Columbia (February 1, 2003)

Q.68 China’s first man in space …….

Ans: Yang Liwei

Q.69 European Space Agency’s first moon probe craft …….

Ans: SMART-I

Q.70 +America’s first Mission to Saturn …….

Ans: Cassini Spacecraft (Reached Saturn’s orbit in July 2004)

Q.71 First private, manned spacecraft …….

Ans; Spaceship One (Launched on June 21, 2004)

Q.72 First European space probe landing on the surface of the Saturnine Moon Titan ……

Ans: Huygens (January 15, 2005)

Q.73 India’s first Mapping Satellite …..

Ans: CARTOSAT-I (Launched on May 5, 2005)

Q.74 The first spacecraft to touch the surface of a comet ……

Ans: NASA’s Deep Impact hit its comet target temple-I (July 4, 2005)

Q.75 The first Japanese spacecraft to get down to an asteroid and collect samples from there ……

Ans: Hayabusa (November 2005, Japan’s Aerospace Exploration Agency (JAXA)

Q.76 The first Probe Mission to planet Pluto ….

Ans: New Horizons (U.S. launched on January 19, 2006)

Q.77 The first space woman to stay for the longest ever Perivale of time in space …….

Ans: Sunita Williams

Q.78 The first lunar orbiter of China …….

Ans: Change (Launched on October 24, 2007 from Xicheng Satellite Launch Centre of South-Western Sichuan Province)

Q.79 The first successful moon mission of India …….

Ans: Chandrayan-I (October 22, 2008)

Q.80 The US software pioneer who became the first person to travel twice to space as a tourist ……..

Ans: Charles Simonyi (March 26, 2009)

General Science Gk Objective Questions Series #52 Ques=(2551-2600) 

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General Science Gk Objective Questions Series #51 Ques=(2501-2550)

General Science Gk Objective Questions Series #51 Ques=(2501-2550) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #51 Ques=(2501-2550)

1.Who is honoured as Father of Modern Chemistry?

(A) Antoine Lavoisier

(B) David Joseph

(C) Rinky Martin

(D) Newton

2. Who invented periodic table?
(A) Dmitri Mendeleev

(B) David Joseph

(C) Rinky Martin

(D) Newton

3. Which is the most abundant gas in the earth’s atmosphere?
(A) Nitrogen (78.08%)

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

4. Which gas evolved from paddy fields and marshes?
(A) Methane

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

5. Which toxic element present in automobile exhausts?
(A) Lead

(B) Iron

(C) copper

(D) Tustin

6. Which gases cause acid rain?
(A) Sulphur dioxide, Nitrogen oxides

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

7. Which metal is used in the making of microchips?
(A) Silicon

(B) Iron

(C) copper

(D) Tustin

8. What is the toxicity caused by silicon called?
(A) Silicosis

(B) Silicon

(C) Oxygen

(D) Carbon

9. Which polymer is used to manufacture electric switches, computer disks etc.?
(A) Bakelite

(B) Polythene

(C) Nylon

(D) Teri cot

10. With which polymer, the cabinets of radio and TV made of?
(A) Polystyrene

(B) Polythene

(C) Nylon

(D) Teri cot

11. Which chemical is used to make rain coats?
(A) Poly Vinyl Chloride(PVC)

(B) Polythene

(C) Nylon

(D) Teri cot

12. Which type of plastics can be recycled?
(A) Thermoplastics

(B) Polythene (PE)

(C) Polyvinyl Chloride (PVC)

(D) Polyprophylene (PP)

13. What is the name given to plastics that cannot be recycled?
(A) Thermosetting plastics

(B) Polythene (PE)

(C) Polyvinyl Chloride (PVC)

(D) Polyprophylene (PP)

14. Which element is a liquid at ordinary temperature?
(A) Mercury

(B) Iron

(C) copper

(D) Tustin

15. What is the chemical name of baking soda?
(A) Sodium bicarbonate

(B) Sodium Hydroxide

(C) Calcium carbonate

(D) Sulphur Soda

16. What is sodium carbonate commonly known as?
(A) Washing soda or soda ash

(B) Bathing Soap

(C) Washing Soap

(D) Surf

18 What is table sugar?
(A) Cane sugar (Sucrose)

(B) Glucose

(C) Fructose

(D) Sweets

19. What is the element present on lead pencils?
(A) Carbon (graphite)

(B) Iron

(C) copper

(D) Tustin

20. Which gas is found in soda water?
(A) Carbon dioxide

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

21. What is the solvent of gold?
(A) Aqua Regia

(B) Polysulphide solution

(C) Platinum gold

(D) Liquid gold

22. Name the chemical assed to make tooth pastes white?
(A) Titanium dioxide

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

23. Which chemical is the reason behind the brown colour of human faces?
(A) Bilirubin

(B) Sodium Nitrate

(C) Methane

(D) Athens

24. Which chemical is called Chile Salt peter?
(A) Sodium Nitrate

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

25. What is marsh gas?
(A) Methane

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

26. What is the chemical name of Chinese salt?
(A) Monosodium glutamate

(B) Polythene

(C) Nylon

(D) Teri cot

27. Which is the purest form of carbon?
(A) Graphite

(B) Sodium Nitrate

(C) Methane

(D) Athens

28. Which is called white poison?
(A) Sugar

(B) Glucose

(C) Fructose

(D) Sweets

29. Which is the simplest sugar?
(A) Glucose

(B) Cellulose

(C) Fructose

(D) Sweets

30. What is the biological polymer in paper?
(A) Cellulose

(B) Polythene

(C) Nylon

(D) Teri cot

31. Lysergic acid diethylamide (LSD) is a drug used as a:

(A) Steroid

(B) Sedative

(C) Analgesic

(D) Hallucinogen

32. Which of the following substances undergo ‘sublimation’ on heating.

(1.) Iodine

(2.) Naphthalene

(3.) Camphor

(A) 1 and 2

(B) 1 and 3

(C) 2 and 3

(D) All of them

33. Normal valency of nitrogen is

A. 2
B. 3
C. 4
D. 5

34. The isotope atoms differ in

A. atomic number
B. number of protons
C. number of electrons
D. atomic weight

35. Nucleus of an atom contains

A. electrons
B. protons
C. electrons and protons
D. protons and neutrons

36. Which one of the following does not contain silver?

A. Horn silver
B. Ruby silver
C. German silver
D. Lunar caustic

37. Nail polish remover contains

A. acetone
B. benzene
C. acetic acid
D. petroleum ether

38. What is a mixture of potassium nitrate powdered charcoal and sulphur called?

A. paint
B. glass
C. gun powder
D. cement

39. Which is the heaviest metal?

A. iron
B. mercury
C. nickel
D. osmium

40. Bleaching action of chlorine is by

A. oxidation
B. reduction
C. decomposition
D. hydrolysis

General Science Gk Objective Questions Series #51 Ques=(2501-2550) 

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General Science Gk Objective Questions Series #50 Ques=(2451-2500)

General Science Gk Objective Questions Series #50 Ques=(2451-2500)  Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #50 Ques=(2451-2500)

Q.1 Carbon dioxide is called a greenhouse gas because

(A) Its concentration remains always higher than other gases

(B) It is used in photosynthesis

(C) It absorbs infrared radiation

(D) It emits visible radiation

Q.2 What is the major role of a greenhouse gas that contributes to temperature rise of the earth’s surface?

(A)Transparent to both incoming sunlight and outgoing infrared radiation

(B) Stops both incoming sunlight and outgoing infrared radiation

(C) Lets outgoing infrared radiation pass through but stops incoming sunlight

(D) Lets incoming sunlight pass through but stops outgoing infrared radiation

Q.3 Consider the following statements:

(1) Ozone is mostly found in the stratosphere.

(2) Ozone layer lies 55-75 km above the surface of the Earth.

(3) Ozone absorbs ultraviolet radiation from the Sun.

(4) Ozone layer has no significance for life on the Earth.

Which of the statements given above are correct?

(A)1 and 2

(B) 1 and 3

(C) 2 and 3

(D) 3 and 4

Q.4 Which among the following nontoxic gases helps in formation of enzymes which ripen fruit?

(A) Acetylene

(B) Ethane

(C) Methane

(D) Carbon dioxide

5. Which one among the following is strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

(A) Ethanol

(B) Thioethanolamine

(C) Methane

(D) Chloroform

Q.6 Which of the following statements regarding ozone layer within the atmosphere is/are correct?

  1. It absorbs most of the ultraviolet radiation found in the Sun’s rays.
  2. Chlorofluorocarbons are serious threat to the ozone layer.

Select the correct answer using the code given below:

(A)1 only

(B) 2 only

(C) Both 1 and 2

(D) Neither 1 nor 2

Q.7 The major component in LPG is

(A) Methane

(B) butane

(C) ethane

(D) propane

Q.8 The vertical movement of air is termed as

(A) wind

(B) Air Current

(C) Air turbulence

(D) Air mobility

Q.9 Which of the following is not a method of preparing oxygen?

(A) Electrolysis of water

(B) Fractional distillation of liquid air

(C) Decomposition of potassium permanganate

(D) Decomposition of manganese dioxide

Q.10 Oxygen and ozone are

(A) allotropes

(B) isomers

(C) isotopes

(D) isobars

Q.11 Ozone layer is present in

(A) Troposphere

(B) Ionosphere

(C) Stratosphere

(D) Exosphere

Q.12 Which is the lowest layer of the atmosphere?

(A) Troposphere

(B) Stratosphere

(C) Mesosphere

(D) Thermosphere

Q.13 Which one of the following is a major constituent of Biogas?

(A) Carbon dioxide

(B) Methane

(C) Hydrogen

(D) Nitrogen Dioxide

Q.14 Sea breeze is formed during

(A) Day time

(B) Night time

(C) Both

(D) Seasonal

Q.15 The Refrigerant ‘FREON’ is

(A) Calcium Tetra Flouride

(B) Diflouro Dichloro Methane

(C) Flourspar and Felspar

(D) Hydrofluosilicic Acid

Q.16 Now a days, Yellow lamps are frequently used as street lights. Which among the following gases, is used in these lamps?

(A) Sodium

(B) Neon

(C) Hydrogen

(D) Nitrogen

Q.17 The atmospheric air is held to the earth by

(A) Gravity

(B) Winds

(C) Clouds

(D) Rotation of the earth

Q.18 The Noble Gas used for the treatment of cancer is ___?

(A) Helium

(B) Argon

(C) Krypton

(D) Radon

Q.19 The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is

(A) 4 – 6

(B) 2 – 4

(C) 8 – 10

(D) 12 – 16

Q.20 Troposphere is the hottest part of the atmosphere because

(A) it is closest to the Sun

(B) there are charged particles in it

(C) it is heated by the Earth’s surface

(D) heat is generated in it

Q.21 The gas which turns limewater milky is

(A) carbon dioxide

(B) carbon monoxide

(C) ammonia

(D) nitrogen dioxide

Q.22 Which of the following is the lightest gas?

(A) hydrogen

(B) helium

(C) xenon

(D) radon

Q.23 Hydrogen is not found in atmosphere because

(A) It is highly inflammable

(B) It is the lightest gas

(C) It is absorbed by plants

(D) It immediately combines with oxygen to form water

Q.24 The gas used for filling weather balloons is

(A) Helium

(B) Hydrogen

(C) Air

(D) Nitrogen

Q.25 What is the chemical name of Laughing Gas?

(A) Silver nitrate

(B) Sodium carbonate

(C) Calcium sulphate

(D) Nitrous oxide

Q.26 The coloured discharge tubes for advertisement mainly contain

(A) Xenon

(B) Argon

(C) Helium

(D) Neon

Q.27 Which one of the following noble gases is not found in the atmosphere (negligible quantity)?

(A) Argon

(B) Krypton

(C) Radon

(D) Xenon

Q.28 For respiration in deep sea, divers use mixture of

(A) Oxygen and helium

(B) Oxygen and hydrogen

(C) Oxygen and carbon dioxide

(D) Oxygen and nitrogen

Q.29 Gases used to prepare Ammonia gas are

(A) Nitrogen and Oxygen

(B) Nitrogen and Oxide

(C) Nitrogen and Hydrogen

(D) Nitrogen and Carbon

Q.30 Which one of the following gases is opaque to outgoing terrestial radiation but transparent to incoming solar radiation?

(A) Oxygen

(B) Carbondioxide

(C) Nitrogen

(D) Helium

Q.31 In oxygen, things:

(A) burn dimly

(B) burn brightly

(C) do not burn at all

(D) burn rapidly and are immediately reduced to ashes

Q.32 Liquefied Petroleum Gas (LPG) consists of mainly :

(A) methane, ethane and hexane

(B) ethane, butane and propane

(C) ethane, hexane and nonane

(D) nonane, ethane and hexane

Q.33 The gas produced by pouring water on calcium carbide is :

(A) Pentane

(B) Methane

(C) Ethane

(D) Acetylene

Q.34 Which of the following gases is considered a better substitute to air in car tyres?

(A) Hydrogen

(B) Nitrogen

(C) Helium

(D) Oxygen

Q.35 Which of the following noble gases is most abundant in Earth’s atmosphere?

(A) Argon

(B) Xenon

(C) Helium

(D) Neon

Q.36 Which of the following phenomena cannot be observed on the surface of the Moon?

(A) Rising and setting of the Sun

(B) Solar eclipse

(C) Motion of comets

(D) Twinkling of stars

Q.37 Which of the following planets has a revolution time which is shorter than its rotation time?

(A) Jupiter

(B) Venus

(C) Mars

(D) Uranus

Q.38 Which planet looks reddish in the night sky?

(A) Jupiter

(B) Saturn

(C) Mars

(D) Mercury

Q.39 Which female astronaut spent the maximum time in space?

(A) Lisa Norwak

(B) Kalpana Chawla

(C) Sunita Williams

(D) None of these

Q.40 Which planet has the fastest revolution time?

(A) Mercury

(B) Uranus

(C) Neptune

(D) Jupiter

Q.41 An astronaut in outer space will observe sky as

(A) White

(B) Black

(C) Blue

(D) Red

Q.42 Which of the following planets rotates in a direction opposite to the direction of earth’s rotation?

(A) Mars

(B) Jupiter

(C) Venus

(D) Mercury

Q.43 What is the average distance (approximate) between the Sun and the Earth?

(A) 70 x 105 km

(B) 100 x 105 km

(C) 110 x 106 km

(D) 150 x 106 km

Q.44 NASA’s Deep Impact space mission was employed to take detailed pictures of which comet nucleus?

(A) Halley’s Comet

(B) Hale-Bopp

(C) Hyakutake

(D) Tempel 1

Q.45 Which of the following planets has a lesser rotation time than the Earth?

(A) Jupiter

(B) Mars

(C) Mercury

(D) Venus

Q.46 What is the name of the first woman space tourist?

(A) Jullian Moore

(B) Anousheh Ansari

(C) Paula Radcliffe

(D) Namira Salim

Q.47 Storms of gases are visible in the atmospheres of the Sun during

(A) Cyclones

(B) Anticyclones

(C) Lunar eclipse

(D) Solar eclipse

Q.48 The name of the world’s first black spaceman is

(A) Prensa Latina.

(B) Arnaldo Tamayo Mendez.

(C) Yury Rumanenko.

(D) Robert Mendereze.

Q.49 The first person to enter into space was

(A) Valentina Tereshkova

(B) Edward H. White

(C) Yuri Gagarin

(D) Alan Shepard

Q.50 How much time does light require to travel distance of 150,000,000 kilometres from the Sun to the earth?

(A) 8 1/3 minutes

(B) 8 1/2 minutes

(C) 8 1/4 minutes

(D) 9 minutes

General Science Gk Objective Questions Series #50 Ques=(2451-2500)

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General Science Gk Objective Questions Series #49 Ques=(2401-2450)

General Science Gk Objective Questions Series #49 Ques=(2401-2450) Elements and Metals Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #49 Ques=(2401-2450)

Science GK Questions on Disease

Q.1 Due to contraction of eyeball, a long-sighted eye can see only

(A) farther objects which is corrected by using convex lens

(B) farther objects which is corrected by using concave lens

(C) nearer objects which is corrected by using convex lens

(D) nearer objects which is corrected by using concave lens

 

 

Q.2 Which one among the following is not correct about Down’s syndrome?

(A) It is a genetic disorder

(B) Effected individual has early ageing

(C) Effected person has mental retardation

(D) Effected person has furrowed tongue with open mouth

 

 

Q.3 Insects that can transmit diseases to human are referred to as

(A) carriers

(B) reservoirs

(C) vectors

(D) incubators

 

 

Q.4 Which of the following diseases are transmitted from one person to another?

  1. AIDS
  2. Cirrhosis
  3. Hepatitis B
  4. Syphilis

Select the correct answer using the code given below:

Code:

(A)1, 2, 3 and 4

(B) 1, 3 and 4 only

(C) 1 and 2 only

(D) 2, 3 and 4 only

 

 

Q.5 One of the occupational health hazards commonly faced by the workers of ceramics, pottery and glass industry is

(A) stone formation in gall bladder

(B) melanoma

(C) silicosis

(D) stone formation in kidney

 

 

Q.6 The anti-malarial drug Quinine is made from a plant. The plant is

(A) Neem

(B) Eucalyptus

(C) Cinnamon

(D) Cinchona

 

 

Q.7 To suspect HIV/AIDS in a young individual, which one among the following symptoms is mostly associated with?

(A) Long standing jaundice and chronic liver disease

(B) Sever anaemia

(C) Chronic diarrhoea

(D) Severe persistent headache

 

Q.8 Hypertension is the term used for

(A) Increase in heart rate

(B) Decrease in heart rate

(C) Decrease in blood pressure

(D) Increase in blood pressure

 

Q.9 Acute lead poisoning is also known as

(A) Itai- Itai

(B) Plumbism

(C) Neuralgia

(D) Byssinosis

 

Q.10 Oral Rehydration Therapy is recommended for

(A) Tuberculosis

(B) Typhoid

(C) Tetanus

(D) Cholera

 

Q.11 Match List I with List II and select the correct answer using the code given below the lists

List I
(Disease)
List II
(Diagnosis)
A. AIDS 1. Widal test
B. Plague 2. Wayson stain test
C. Typhoid 3. ELISA test
4. Mantoux test

 

Code:

(A)A – 4; B – 3; C – 2;

(B) A – 3; B – 2; C – 1;

(C) A – 1; B – 2; C – 3;

(D) A – 3; B – 2; C – 4;

Q.12 In the context of genetic disorders, consider the following:

A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probably correct?

(A)Both children suffer from colour blindness

(B) Daughter suffers from the colour blindness while the son does not suffer from it.

(C) Both children do not suffer from colour blindness.

(D) Son suffers from the colour blindness while daughter does not suffer from it.

Q.13 Which one of the following diseases is caused by a protozoan?

(A) Cholera

(B) Malaria

(C) Tuberculosis

(D) Typhoid

Q.14 Which of the following disease is not transmitted by Aedes aegypti?

(A) Chikungunya

(B) Dengue

(C) Chicken-pox

(D) Yellow fever

Q.15 The first effective vaccine against polio was prepared by

(A) JH Gibbon

(B) Jonas E Salk

(C) Robert Edwards

(D) James Simpson

 

Q.16 Minamata disease was caused by

(A) Mercury

(B) Lead

(C) Cadmium

(D) Zinc

 

Q.17 Which one of the following kinds of organism causes malaria?

(A) Bacterium

(B) Fungus

(C) Protozoan

(D) Virus

Q.18 Which of the following diseases is not caused by viruses?

(A) Cholera

(B) Chickenpox

(C) Hepatitis

(D) Measles

Q.19 If the lens in eye becomes opaque, the disease is called :

(A) Myopia

(B) Astigmatism

(C) Glaucoma

(D) Cataract

Q.20 The toxicity of which of the following heavy metals leads to liver cirrhosis?

(A) Copper

(B) Lead

(C) Mercury

(D) Zinc

Q.21 Typhoid is caused by

(A) Pseudomonas sp.

(B) Staphylococcus

(C) Bacillus

(D) Salmonella typhi

Q.22 BCG immunization is for

(A) Measles

(B) Tuberculosis

(C) Diphtheria

(D) Leprosy

Q.23 Which one of the following diseases is caused by virus?

(A) Tuberculosis

(B) Typhoid

(C) Influenza

(D) Diphtheria

Q.24 Malaria in human body is caused by which one of the following organisms?

(A) Bacteria

(B) Virus

(C) Mosquito

(D) Protozoan

Q.25 Ringworm is a ……… disease.

(A) Bacterial

(B) Protozoan

(C) Viral

(D) Fungal

Q.26 What is the name of the disease in man arising out of Vitamin B1 deficiency?

(A) Scurvy

(B) Beriberi

(C) Pellagra

(D) Gingivitis

Q.27 The deficiency of which of the following group of nutrients affects the skin ?

(A) Iron, Iodine, Zinc, Potassium

(B) Riboflacin, Niacin, Pyridoxine, Pantothenic Acid

(C) Vitamin K, Calcium, Fluorine, Copper

(D) All the three

Q.28 What does niacin deficiency cause ?

(A) Acne

(B) Scurvy

(C) Boils

(D) Pellagra

Q.29 What are the effects of Vitamin B6 deficiency?

(A) Beriberi

(B) Scurvy

(C) Dermatomyoma

(D) Certain types of Eczema

Q.30 Which of the following diseases is associated with Vitamin C deficiency?

(A) Psoriasis

(B) Scurvy

(C) Pellagra

(D) Vitiligo

Q.31 What does Vitamin K deficiency lead to ?

A. Problem in digestion

B. Problem in Blood Coagulation

C. Problem in Calcium Metabolism

D. All the three

Q.32 Using purgatives on a regular basis is harmful to health. Which deficiency does it cause?

(A) Iron

(B) Potassium

(C) Iodine

(D) Chromium

Q.33 Deficiency of Vitamin D gives rise to :

(A) Rheumatism

(B) Arthritis

(C) Hernia

(D) Rickets

Q.34 What is the condition known as, in which the body does not get its fair share of nutrients, either from starvation, or as a result of poor absorption :

(A) Marasmus

(B) Malnutrition

(C) Kwashiorkor

(D) Malnutrition & Marasmus

Q.35 Night blindness drying of the conjunctiva, dry and scaly skin and loss of hair are some of the symptoms of :

(A) Vitamin K deficiency

(B) Vitamin A deficiency

(C) Iron deficiency

(D) Folic acid deficiency

 

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General Science Gk All Exams Series #48 Ques=(2351-2400)

General Science Gk All Exams Series #48 Ques=(2351-2400)

General Science Gk All Exams Series #48 Ques=(2351-2400)

Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

1.: – जब ध्वनि तरंग चलती हैं, तो वे अपने साथ ले जाती हैं

Ans : – -ऊर्जा

2.: – सूर्य ग्रहण के समय सूर्य का कौन-सा भाग दिखाई देता है?

Ans : – किरीट

3.: – सूर्य की किरण में कितने रंग होते हैं?

Ans : – 7

4.: – ‘टाइपराइटर’ (टंकण मशीन) के आविष्कारक कौन हैं?

Ans : – शोल्स

5.: – सिरका को लैटिन भाषा में क्या कहा जाता है।

Ans : – ऐसीटम

6.: – कपड़ों से जंग के धब्बे हटाने के लिये प्रयोग किया जाता है

Ans : – -ऑक्ज़ैलिक अम्ल

7.: – गन्ने में ‘लाल सड़न रोग’ किसके कारण उत्पन्न होता है?

Ans : – कवकों द्वारा

8.: – आम का वानस्पतिक नाम क्या है?

Ans : – मेंगीफ़ेरा इण्डिका

9.: – कॉफी पाउडर के साथ मिलाया जाने वाला ‘चिकोरी चूर्ण’ प्राप्त होता है

Ans : – -जड़ों से

10.: – ‘विटामिन-सी’ का सबसे अच्छा स्त्रोत क्या है?

Ans : – आंवला

11.: – रक्त में पायी जाने वाली धातु है

Ans : – -लोहा

12.: – किण्वन का उदाहरण है

Ans : – -दूध का खट्टा होना,खाने की ब्रेड का बनना,गीले आटे का खट्टा होना

13.: – निम्न में से कौन-सा आहार मानव शरीर में नये ऊतकों की वृद्धि के लिए पोषक तत्व प्रदान करता है?

Ans : – पनीर

14.: – निम्न में से कौन एक उड़ने वाली छिपकली है?

Ans : – ड्रेको

15.: – घोंसला बनाने वाला एकमात्र साँप कौन-सा है?

Ans : – किंग कोबरा

16.: – भारत में पायी जाने वाली सबसे बड़ी मछली कौन-सी है?

Ans : – ह्वेल शार्क

17.: – दालें किसका एक अच्छा स्रोत होती हैं?

Ans : – प्रोटीन

18.: – देशी घी में से सुगन्ध क्यों आती है?

Ans : – डाइएसिटिल के कारण

19.: – इन्द्रधनुष में किस रंग का विक्षेपण अधिक होता है?

Ans : – लाल रंग

20.: – टेलीविजन का आविष्कार किसने किया था?

Ans : – जे. एल. बेयर्ड

21: – हीरा चमकदार क्यों दिखाई देता है?

Ans : – सामूहिक आंतरिक परावर्तन के कारण

22.: – ‘गोबर गैस’ में मुख्य रूप से क्या पाया जाता है।

Ans : – मिथेन

23.: – दूध की शुद्धता का मापन किस यन्त्र से किया जाता है?

Ans : – लैक्टोमीटर

24.: – पृथ्वी पर सबसे अधिक मात्रा में पाया जाने वाला धातु तत्त्व कौन-सा है?

Ans : – ऐलुमिनियम

25.: – मोती मुख्य रूप से किस पदार्थ का बना होता है?

Ans : – कैल्सियम कार्बोनेट

26.: – मानव शरीर में सबसे अधिक मात्रा में कौन-सा तत्व पाया जाता है?

Ans : – ऑक्सीजन

27.: – किस प्रकार के ऊतक शरीर के सुरक्षा कवच का कार्य करते हैं?

Ans : – एपिथीलियम ऊतक

28.: – मनुष्य ने सर्वप्रथम किस जन्तु को अपना पालतू बनाया?

Ans : – कुत्ता

29.: – किस वैज्ञानिक ने सर्वप्रथम बर्फ़ के दो टुकड़ों को आपस में घिसकर पिघला दिया?

Ans : – डेवी

30.: – सबसे अधिक तीव्रता की ध्वनि कौन उत्पन्न करता है?

Ans : – बाघ

31.: – मांसपेशियों में किस अम्ल के एकत्रित होने से थकावट आती है?

Ans : – लैक्टिक अम्ल

32.: – अंगूर में कौन-सा अम्ल पाया जाता है?

Ans : – टार्टरिक अम्ल

33.: – कैंसर सम्बन्धी रोगों का अध्ययन कहलाता है

Ans : – -ऑरगेनोलॉजी

34.: – मानव शरीर में सबसे लम्बी कोशिका कौन-सी होती है?

Ans : – तंत्रिका कोशिका

35.: – दाँत मुख्य रूप से किस पदार्थ के बने होते हैं?

Ans : – डेंटाइन के

36.: – किस जंतु की आकृति पैर की चप्पल के समान होती है?

Ans : – पैरामीशियम

37.: – केंचुए की कितनी आँखें होती हैं?

Ans : – एक भी नहीं

38.: – गाजर किस विटामिन का समृद्ध स्रोत है?

Ans : – विटामिन A

39.: – निम्न में से किस पदार्थ में प्रोटीन नहीं पाया जाता है?

Ans : – चावल

40.: – मानव का मस्तिष्क लगभग कितने ग्राम का होता है?

Ans : – 1350

General Science Gk All Exams Series #47 Ques=(2301-2350)

General Science Gk All Exams Series #47 Ques=(2301-2350)

Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

  • माइटोकॉण्ड्रिया की संख्या सबसे अधिक मस्तिष्क की होती है।
  • एल्कोहल अधिक सेवन करने से होने वाला रोग लीबर सिरोसिस है।
  • अधिक भोजन करने के बाद सुस्ती का कारण उच्च रूधिर दाब हैं।
  • ज्वर में तेज श्वास का कारण शरीर का उच्च ताप होना है।
  • एक मिनट में मानव हृदय सामान्यतः 72 बार धड़कता है।
  • आमाशय में भोजन 3 घण्टे तक रहता है।
  • दोनो कान की कुल 6 हडिड्यॉ होती है।
  • थाइरॉक्सिन की कमी से होने वाला रोग घेंघा होता है।
  • मानव शरीर की सबसे बड़ी ग्रन्थि यकृत है।
  • श्वसन दर सबसे कम सोते समय होती है।
  • मनुष्य का ह्रदय चार कोष्ठीय होता है।
  • स्फिग्नौमैनोमीटर से रक्त दाब नापते है।
  • मनुष्य की सामान्य ऊंचाई 1750 मिली-मीटर होती है।
  • मनुष्य के शरीर में पेशियों की कुल संख्या 639 है।
  • ट्रिपनोसोमा से होने वाला रोग निद्रारोग होता है।
  • मानव कंकाल में कुल 206 हड्डियां होती है।
  • मानव नैत्र में उभय ऊतलीय लेन्स होता है।
  • मानव के दो कान इसलिये होते हैं ताकी दोनो कानो की सहायता से विपरीत दिशाओं से आने वाली दो प्रकार की ध्वनियों को भलीभॉति पहचाना जा सके।
  • मानव शरीर द्वारा छोडी हुयी सॉस की हवा में कार्बन डाइऑक्साइड की मात्रा लगभग 4 प्रतिशत होती है।
  • मानव शरीर की सबसे कम जीवन काल वाली कोषिकाएं आहारनाल की कोषिकाएं होती हैं।
  • मानव शरीर में निर्जलीकरण की समस्या जल व लवण पदार्थो की कमी के कारण हो जाती है।
  • शरीर में रोग प्रतिरोधकता के लिए श्वेत रक्त कणिकाऐं जिम्मेदार होती है।
  • भोजन में लौह तत्व की कमी से होने वाला रोग एनीमिया (खून की कमी) है।
  • अस्थियों में पाये जाने वाला फास्फोरस का यौगिक कैल्शियम फास्फेट हैं।
  • मानव शरीर की सबसे छोटी कोशिकाएं लाल रक्त कणिकाएं होती है।
  • लाल रक्त कणिका का जीवन काल 120 दिन का कितना होता है।
  • जन्म के समय शिशु में श्वसन दर 35 बार प्रति मिनट होती है।
  • मानव शरीर का साधारण ताप 36.9 डिग्री सेल्सियस होता है।
  • मूत्र के साथ ग्लूकोज का निकलना मधुमेह रोग का संकेत है।
  • शरीर में रक्त के थक्के जमने का कारण थ्राम्बिन होता है।
  • मानव शरीर की सबसे बड़ी हड्डी का नाम फीमर है।
  • पायरिया रोग शरीर के मसूडे़ अंग को प्रभावित करता है।
  • मानव शरीर में सबसे छोटी ग्रंथि पिट्यूटरी होती है।
  • गुर्दे की चिकित्सा में डायलिसिस का प्रयोग होता है।
  • अल्जीमर रोग से मानव मस्तिष्क प्रभावित होता है।
  • मनुष्य के मस्तिष्क का भार 1400 ग्राम होता है।
  • मानव का मेरूदण्ड 33 अस्थियों से मिलकर बना होता है।
  • जैविक घड़ी का कार्य करने वाली ग्रन्थि पिनियल ग्रन्थि होती है।
  • मानव शरीर में उपस्थित जल की मात्रा 70 से 80 प्रतिशत होती है।
  • मानव शिशु में अश्रु ग्रन्थियॉं जन्म के 4 माह बाद सक्रिय होती है।
  • एक नवजात शिशु के जन्म के समय कुल 300 हड्डियां होती है।
  • मानव में अण्डे का निषेचन फैलोपियन ट्यूब में होता है।
  • रूधिर में ऑक्सीजन के परिवहन का वाहक हीमोग्लोबिन है।
  • शरीर में ऊर्जा प्राप्त करने का सबसे अच्छा स्त्रोत ग्लूकोज होता है।
  • मानव शरीर की मास्टर ग्रन्थि पिट्यूटरी ग्रन्थि होती है।
  • रक्त के हीमोग्लोबिन में लोह धातु होती है।
  • बालों के अध्ययन को ट्रिकोलोजी कहा जाता है।
  • पीलिया रोग यकृत की खराबी के कारण होता है।
  • ऐस्ट्रोजन नारी विकास हार्मोन होता है।
  • शरीर का सबसे बड़ा अंग त्वचा है।
चीन ने अपने नागरिकों को नवम्बर 2015 में ‘नांरगी’ प्रदूषण की चेतावनी जारी की है।
अधिरक्तस्राव एक अनुवांशिक विकार है।
मानव शरीर में विटामिन A यकृत में भण्डारित होता है।
पृथ्वी में अधिकांश ऑक्सीजन शैवालों से उत्पादित होती है।
निर्जलित व्यक्ति को अल्कोहल का सेवन नहीं करना चाहिए।
फलों को कृत्रिम रूप से पकाने के लिए एथिलीन का प्रयोग किया जाता है।
सुपरकम्प्यूटर ‘मैजिक क्यूब’ चीन ने बनाया है।
आइन्स्टीन को नोबेल पुरस्कार प्रकाश-वैद्युत प्रभाव सिद्धान्त के लिए प्रदान किया गया था।
यूपीएस का पूरा रूप है – अनइन्टरप्टेड पॉवर सप्लाई।
भूकम्प की तीव्रता का मापन रिक्टर पैमाने पर किया जाता है।
मिट्टी का तेल, हाइड्रोजन, कोयला और डीजल में से हाइड्रोजन न्यूनतम वायु प्रदूषण करता है।
किसी समतल दर्पण की वक्रता-त्रिज्या अनन्त होती है।
शुक्र ग्रह को ‘भोर का तारा’ के नाम से भी जाना जाता है।
टीएनजी विस्फोटक का नाम ‘नोबेल तेल’ है।
विश्व का ‘धान जीन बैंक’ फिलीपीन्स में स्थित है।
उत्तर प्रदेश कृषि अनुसन्धान परिषद लखनऊ में स्थित है।
विश्व के ‘हरित क्रान्ति के जनक’ नॉर्मन ई. बोरलॉग है।
मक्का वर्ष भर बोई जाने वाली फसल है।
‘करनाल बन्ट’ गेहूँ की फसल की एक बीमारी है।
‘पीताम्बरी’ सरसों फसल की एक प्रजाति है।
भारत की मृदाओं में से रेगुर मृदा बेसाल्ट लावा के अपक्षय के कारण निर्मित हुई है।
राष्ट्रीय जैविक खेती केन्द्र (एनसीओएफ) गाजियाबाद में स्थित है।
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