Science Quiz #5
Science and Nature Quiz for 18 February 2009
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1
Q1.
What miners' oil lamp, invented in 1815, had a wire cylinder to enclose the flame, preventing the explosion of coal-gas?
Select from the options above.
2
Q2.
In 1960 an international agreement defined the metre in terms of the wavelength of the light from which gas, when burnt?
Select from the options above.
3
Q3.
In 1952, Jonas Salk invented a safe and effective vaccine to prevent infection by which disease?
Note: This question was updated in April 2018
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4
Q4.
The angles of a triangle add up to how many degrees?
Select from the options above.
5
Q5.
What star is closest to the Earth?
Select from the options above.
6
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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7
Q7.
Which of these is not a bear (i.e. classified in the Family “Ursidae”)?
Select from the options above.