Science Quiz #5
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. What miners' oil lamp, invented in 1815, had a wire cylinder to enclose the flame, preventing the explosion of coal-gas?
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Q2. In 1960 an international agreement defined the metre in terms of the wavelength of the light from which gas, when burnt?
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Q3. In 1952, Jonas Salk invented a safe and effective vaccine to prevent infection by which disease?
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Q4. The angles of a triangle add up to how many degrees?
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Q5. What star is closest to the Earth?
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Q6. What is the main protein of connective tissue in animals and the most abundant protein in mammals, making up about 25% of the total protein content?
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Q7. Which of these is not a bear (i.e. classified in the Family “Ursidae”)?
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