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    Home MCQ aptitude General-science Science test-2

    Science Test 2 General Science Aptitude

    Science Test 2 General Science Aptitude
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    123

    Question 11

    Radioactivity was discovered by _____?
    Show explanation Expand Question
    Henri Becquerel discovered radioactivity in 1896 while investigating phosphorescent materials.
    Not clear enough?

    Question 12

    Who discovered neutrons?
    Show explanation Expand Question
    James Chadwick discovered the neutron in 1932, proving the existence of a neutral subatomic particle.
    Not clear enough?

    Question 13

    Cell theory was propounded by_____?
    Show explanation Expand Question
    Cell theory was proposed by Schleiden and Schwann, stating that all living beings are made of cells.
    Not clear enough?

    Question 14

    Who is known as the Father of Zoology?
    Show explanation Expand Question
    Aristotle is known as the Father of Zoology due to his pioneering work in classifying and studying animals.
    Not clear enough?

    Question 15

    Electron was discovered by _____?
    Show explanation Expand Question
    J.J. Thomson discovered the electron in 1897 through cathode ray experiments.
    Not clear enough?

    Question 16

    Who invented the hydrogen bomb?
    Show explanation Expand Question
    Edward Teller is credited as the inventor of the hydrogen bomb, developed during the Cold War.
    Not clear enough?

    Question 17

    Who invented the internal combustion engine?
    Show explanation Expand Question
    Rudolf Diesel invented the diesel version of the internal combustion engine, widely used in vehicles.
    Not clear enough?

    Question 18

    Which device was invented in 1973 by Dr Martin Cooper at Motorola?
    Show explanation Expand Question
    Dr. Martin Cooper of Motorola invented the first handheld cell phone in 1973, revolutionizing communication.
    Not clear enough?

    Question 19

    Who invented the Ball Point Pen?
    Show explanation Expand Question
    The Biro Brothers invented the ballpoint pen, which became a popular writing instrument worldwide.
    Not clear enough?

    Question 20

    James Watt is famous for invention of_____?
    Show explanation Expand Question
    James Watt improved and popularized the steam engine, contributing to the Industrial Revolution.
    Not clear enough?
    123

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