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Why do fire flies glow at night?...

Why do fire flies glow at night?

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Fire flies have a special kind of substance(Protein)i.e., luciferin that undergoes oxidation (by atmospheric oxygen) in the presence of an enzyme (luciferare). This reaction is accompanied by emission of light. Therefore, flies glow at night.
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Knowledge Check

  • Why do fire brigades pour water on the fire?

    A
    Water cools the combustible material so that its temperature is brought below its ignition temperature.
    B
    This prevents the fire from spreading.
    C
    Water vapours help in cutting off the supply of air.
    D
    All of the above.

  • The bodies glowing in the night sky are known as

    A
    Celestial bodies
    B
    Asteroids
    C
    Planetarium/ARIHSS
    D
    Meteorite

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