Recent questions tagged discoveries

Description : Discoveries/Inventions-Scientists

Last Answer : 1. Structure Of DNA: Watson & Crick 2. Rabies Vaccination: Louis Pasteur 3. Penicillin: Alexander Fleming 4. Genetic Laws of Heredity: Mendel 5. Vaccination Against Small Pox: Edward Jenner 6. Solar ... Napier 103. Malaria Parasite: Ronald Ross 104. Zero: Al Khwarizmi 105. Velocity Of Light: Roomer

Description : Who invented the telephone? (1) Thomas Alva Edison (2) Galileo (3) Alexander Graham Bell (4) G. Marconi

Last Answer : (3) Alexander Graham Bell

Description : The steam engine was invented by (1) James Watt (2) James Prescott Joule (3) New Commen (4) Isaac Newton

Last Answer : (1) James Watt

Description : What is the name given to India’s lunar mission ? (1) Vikram-I (2) Kalpana-II (3) Chandrayan-I (4) Insat-5

Last Answer : Chandrayan-I

Description : Geo–stationary satellite revolves at– (1) any height (2) fixed height (3) height which depends upon its mass (4) height above pole 

Last Answer : fixed height

Description : Who developed Ballistic Missile? (1) Wernher Von Braun (2) J. Robert Oppenheimer (3) Edward Teller (4) Samuel Cohen

Last Answer : Wernher Von Braun

Description : Who developed Ballistic Missile? (1) Wernher von Braun (2) J. Rober Oppenheimer (3) Edward Teller (4) Samuel Cohen

Last Answer : Wernher von Braun

Description : Which of the following is a stealth aircraft virtually undetectable even by radar? (1) B-2 Spirit (2) B1-B Lancer (3) B-52 Stratofortrees (4) FA-18 Homets

Last Answer : B-52 Stratofortrees

Description : From where was India’s multipurpose telecommunication satellite INSAT-2E launched ? (1) Baikanour(2) Thumba (3) Sriharikota(4) Kourou

Last Answer : Kourou

Description : The Indian Naval Ship being converted into a maritime museum is : (1) Sagar Samrat (2) Kanishka (3) Samrat Ashoka (4) Vikrant

Last Answer : Vikrant

Description : Which is the long-range missile that was tested by Pakistan in the wake of India testing Agni II? (1) Ghauri II (2) Shaheen I (3) Hatf I (4) Hatf II

Last Answer : Ghauri II

Description : Sphygmomanometer measures the blood pressure in the (1) Veins (2) Arteries (3) Eyes (4) Synovial

Last Answer : Arteries

Description : The study of relation of animals and plants to their surroundings is called ________ (1) Ecology (2) Ethrology (3) Genealogy (4) Iconology

Last Answer : Ecology

Description : The movement inside the Earth’s crust is studied by which of the following ? (1) Geology (2) Seismology (3) Plate tectonics (4) Pantograph

Last Answer : Seismology

Description : Which of the following is Study of fossils ? (1) Ethology (2) Etiology (3) Anthropology (4) Palaeontology

Last Answer : Palaeontology

Description : Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Last Answer : Lactometer Specific gravity of liquids

Description : The study of mountains is known as (1) Oncology (2) Lithology (3) Orology (4) Ornithology

Last Answer : Orology

Description : Science dealing with study of soil is called (1) Pedology (2) Pedagogy (3) Ecology (4) Pomology

Last Answer : Pedology

Description : Sextant is an instrument used in which of the following ? (1) Gynaecology (2) Navigation (3) Birth control (4) Medical treatment

Last Answer : Navigation

Description : Which instrument is used for photographing the Sun? (1) Galvanometer (2) Potentiometer (3) Spectrophotometer (4) Spectroheliograph

Last Answer : Spectroheliograph

Description : Preservation of historical articles is done in science of (1) Iconography (2) Numismatic (3) Museology (4) Epigraphy

Last Answer : Museology

Description : ‘Agronomy’ is the practice of raising ______ (1) Plants and Animals (2) Crop plants (3) Agriculture (4) Fruit plants only

Last Answer : Crop plants

Description : Anemometer is an instrument meant for measuring (1) velocity (2) air masses (3) wind speed (4) temperature

Last Answer :  wind speed

Description : Which instrument is used for measuring humidity of atmosphere? (1) Barometer (2) Anemometer (3) Thermometer (4) Hygrometer

Last Answer : Anemometer

Description : The Beaufort scale is used to measure : (1) Atmospheric pressure (2) Altitudes of mountains (3) Wind velocity (4) Intensity of earthquakes

Last Answer : Wind velocity

Description : The branch of biology which deals with extinct organisms is called (1) Palynology (2) Phylogeny (3) Palaeobotany (4) Palaentology

Last Answer : Palaentology

Description : The growth of bacteria is measured by (1) hemacytometer (2) spectrophotometer (3) calorimeter (4) auxanometer

Last Answer : spectrophotometer

Description : An eudiometer measures (1) Atmospheric pressure (2) Time (3) Volume of gases (4) Vapour pressure

Last Answer : Volume of gases

Description : Temperature of distant luminous bodies can be determined by (1) Mercury thermometers (2) Gas thermometers (3) Pyrometers (4) Colour thermometers

Last Answer : Pyrometers

Description : Epigraphy is the study of which of the following ? (1) Coins (2) Inscriptions (3) Temples (4) Birds

Last Answer : Inscriptions

Description : Which apparatus is used to measure the intensity of light? (1) Lux meter (2) Calorimeter (3) Anemometer (4) Altimeter

Last Answer : Lux meter

Description : The study of earthquake is called: (1) Topology (2) Hydrology (3) Limnology (4) Seismology

Last Answer : Seismology

Description : What is Myrmecology? (1) Study of flies (2) Study of ants (3) Study of bees (4) Study of spiders

Last Answer : Study of ants

Description : Which of the following is the study of soil? (1) Myrmecology (2) Pedology (3) Glaciology (4) Cosmology

Last Answer : Pedology

Description : An anemometer measures which of the following ? (1) Speed of light (2) Speed of wind (3) Speed of water current (4) Speed of satellites 

Last Answer :  Speed of wind

Description : Which scientist got the particle name for ‘mesotron’ changed to ‘meson’ ? (1) Hans Adolf Krebs (2) Carl David Anderson (3) Dr Homi Jehangir Bhabha (4) William Buehler

Last Answer : Dr Homi Jehangir Bhabha

Description : Which of the following statement is false? (1) Polystyrene was discovered in 1839 by Edward Simon (2) It is used for making plastics and CD cases (3) It is not biodegradable (4) None of these 

Last Answer : None of these

Description : Who invented the ‘World Wide Web’ ? (1) Tim Berners-Lee (2) Martin Cooper (3) R. Samuel Tomlinson (4) Charles Babbage

Last Answer : Tim Berners-Lee

Description : ‘Entomology’ is the science that studies (1) Behaviour of human beings (2) Formation of rocks (3) Insects (4) None of these

Last Answer : Insects

Description : Infrared radiations are detected by (1) Pyrometer (2) Nanometer (3) Photometer(4) Spectrometer

Last Answer : Photometer

Description : The lysimeter helps in the estimation of (1) Evapotranspiration (2) Relative humidity (3) Vapour pressure (4) Wind direction

Last Answer : Evapotranspiration

Description : Seismography is the science of (1) Rivers (2) Earthquakes (3) Volcanoes (4) Mountains

Last Answer : Earthquakes

Description : Who invented the mobile phone? (1) Tim–Berners–Lee (2) Raymond Samuel Tomlinson (3) Chuck Hull (4) Martin Cooper

Last Answer : Martin Cooper

Description : Venturimeter is used to measure: (1) rate of flow of liquids (2) liquid pressure (3) surface tension (4) liquid density

Last Answer : rate of flow of liquids

Description : Arboriculture is the study of: (1) Cultivation of trees and vegetables (2) Art of garden cultivation (3) Science of plant life (4) Art of growing crops

Last Answer : Cultivation of trees and vegetables

Description : Gas engine was invented by: (1) Charles (2) Davy (3) Daimler (4) Diesel

Last Answer : Daimler

Description : The term Ecosystem was proposed by: (1) Vernadsky (2) S.A. Forbes (3) A.G. Tansley (4) Thienemann

Last Answer :  A.G. Tansley

Description : Planimeter is used to measure: (1) Height of a region (2) Direction (3) Road Distance (4) Areas

Last Answer : Areas

Description : Araneology is the study of: (1) Rearing of bees (2) Study of aphids (3) Study of mites (4) Study of spiders

Last Answer : Study of spiders

Description : Who discovered the link between electricity and magnetism ? (1) Volta (2) Maxwell (3) Diesel (4) Michael Faraday

Last Answer : Maxwell