Battery was invented by__________...? Mcqs

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Battery was invented by__________...?

(A) Nicolas Léonard Sadi Carnot
(B) Alessandro Volta

(C) Michael Faraday
(D) Friedrich Bessel

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Atom was a name given by ____________ ...?

(A) Democritus
(B) Bohr

(C) Rutherford
(D) Archimedes

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Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....?

(A) Mass of vertical column of atmospheric gases
(B) Mass of horizontal column of atmospheric gases

(C) Weight of vertical column of atmospheric gases
(D) Mass of vertical and weight of horizontal of atmospheric gases

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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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Electric motor was invented by __________ ...?

(A) Michael Faraday
(B) Oliver Evans

(C) Thomas Edison
(D) Horace Day

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Cancer can be treated by ___________...?

(A) Antibiotics & vaccines
(B) Radiotherapy & antibiotics

(C) Chemotherapy & radiotherapy
(D) Antibiotics & Chemotherapy

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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The light of distant stars is affected by __________ ...?

(A) The earth’s atmosphere
(B) Interstellar dust

(C) both A and B
(D) None of these

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The blotting paper helps observe liquid by__________...?

(A) Surface Action
(B) Capillary Action

(C) Viscosity
(D) Boldness

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X-rays were discovered by __________...?

(A) Wilhelm Conrad Roentgen
(B) Thomson

(C) Ernest Rutherford
(D) Bacquerel

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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Albert Einstein was a____________...?

(A) Physicist
(B) Physician

(C) Chemist
(D) Biologist

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The Saturn rings discovered by___________...?

(A) Newton
(B) Robert Brown

(C) Galileo
(D) None of these

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Insulin drug was discovered by____________...?

(A) Charles Herbert Best
(B) Prof John James Rickard Macleod

(C) Sir Frederick Grant Banting
(D) Leonard Thompson

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Vacuum tubes have been replaced by__________...?

(A) Conductors
(B) Diodes

(C) Transistors
(D) None of these

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All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

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Proton number is denoted by symbol __________ ...?

(A) M
(B) Z

(C) P
(D) A

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The M.K.S. system was first introduced by _________ ...?

(A) Giorgi
(B) Archimedes

(C) Eienstein
(D) Newton

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The color of a sedimentary rock is often mostly determined by___________...?

(A) Zinc
(B) Iron

(C) Calcium
(D) None of these

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Water soluble vitamins are released by__________...?

(A) Sweat
(B) Tears

(C) Injections
(D) Urine

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By which process copper is refined ____________...?

(A) Roasting
(B) Oxidation

(C) Zone Refining
(D) Electrolysis

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A slow-running pendulum clock can be speeded up by_______________...?

(A) Increasing the length of the rod
(B) Increasing the weight of the bob

(C) Reducing the length of the rod
(D) Reducing the weight of the bob

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The Blood Grouping Was Discovered by__________ ...?

(A) Robert Oppenheimer
(B) Karl Landsteiner

(C) Dr Hollerith
(D) None of them

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The process by which air flows from one location in the atmosphere to another is called __________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) Electromagnetic Induction

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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Fan was invented by___________...?

(A) Arthur Schimit
(B) Alfered Nobel

(C) Skaats Wheeler
(D) None of these

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746 watts are equivalent to_____________...?

(A) 1 Joule
(B) 1 erg

(C) 1HP
(D) 1 poise

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Chronometer is invented by________...?

(A) Robert Fulton
(B) Nikola Tesla

(C) Martin Cooper
(D) John Harrison

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The diagnosis of anthrax in cattle may be made by__________...?

(A) Spore staining
(B) Quellung reaction.

(C) Mcyfaydean reaction
(D) None of the above

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The amount of energy in wheat is__________...?

(A) 100 K Calories/100 gram
(B) 245 K Calories/100 gram

(C) 348 K Calories/100 gram
(D) 490 K Calories/100 gram

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Analytical solutions to Quadratic equations were introduced by__________...?

(A) Al-Khawarzimi
(B) Al-haitham

(C) IsasacNewton
(D) Pythagoras

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Stethoscope was invented by _______ ...?

(A) Rene Laennec
(B) Steven Sasson

(C) Martin Cooper
(D) Dave Hyatt

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The gas heater gives us heat by __________...?

(A) Radiation
(B) Conduction

(C) Convection
(D) Environmental pressure

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Percentage of water in an apple is__________...?

(A) 84%
(B) 90%

(C) 66%
(D) None of these

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Calculus was invented by________...?

(A) Al-khawarzimi
(B) Pythagoras

(C) IsaaC Newton
(D) Al.kindi

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Vitamins were discovered by__________...?

(A) Moesley
(B) Chadwick

(C) Frank Whittle
(D) Casimir Funk

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The position of an element in the Periodic Table is determined by its __________ number...?

(A) Electron
(B) Proton

(C) Neutron
(D) None of these

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When were blue jeans invented in _________...?

(A) 1900s
(B) 1860s

(C) 1870s
(D) 1850s

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

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The average acceleration caused by gravity per second is____________...?

(A) 22 feet
(B) 32 feet

(C) 52 feet
(D) 42 feet

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Most of the ozone in the atmosphere is concentrated in the _____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

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The largest artery in human body_______...?

(A) Subclavian artery
(B) Aorta

(C) Brachial artery
(D) None of these

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Curie is a unit of measuring the intensity of ___________...?

(A) Radioactivity
(B) Quantity of Heat

(C) Work or Energy
(D) Power

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Radioactivity was discovered by __________...?

(A) Kelvin
(B) Thomson

(C) Rutherford
(D) Bacquerel

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Inflammation of liver is caused by____________...?

(A) Cholera
(B) Hepatitis

(C) Typhoid
(D) Jaundice

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The Sun produces most of its energy by_____________...?

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

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Diesel engine was discovered by___________...?

(A) Paul Muller
(B) Faraday

(C) Waldeyer
(D) Rudolf Diesel

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Telephone was invented by__________...?

(A) Vint Cerf
(B) Charles Babbage

(C) Edison
(D) Alexander Graham Bell

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An Average Hummingbird’s heart rate per minute is __________....?

(A) 500 times
(B) 1000 times

(C) more than 1000 times
(D) more than 1200 times

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The absolute value of charge on electron was determined by ________ ...?

(A) J.J.Thomson
(B) Chadwick

(C) Rutherford
(D) Robert Millikan

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Oxidation is a chemical reaction involving the __________...?

(A) Gain of Electrons
(B) Loss of Electrons

(C) Gain of Protons
(D) Loss of Protons

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Maximum biological damage is caused by ____________...?

(A) Gamma rays
(B) Alpha rays

(C) Beta rays
(D) Microwaves

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Trypsin is an enzyme which digests protein produced by_____________...?

(A) Liver
(B) Pancreas

(C) Stomach
(D) Small intestine

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Medium sized kidney stones are removed by__________...?

(A) Dialysis
(B) Lithotripsy

(C) Excretion
(D) Laser

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“Father of Optics” is the title given to__________...?

(A) Ibn-al-Haitham
(B) Ibn-e-Sina

(C) Al-Kandi
(D) Al-Biruni

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Nucleus of an atom was discovered by___________...?

(A) Goldstein
(B) James Chadwick

(C) J J Thomson
(D) Rutherford

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Blood is cleaned by __________...?

(A) Lungs
(B) Liver

(C) Heart
(D) Kidneys

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