Science, nature & technology 19

From the quiz on 17/11/15.

  1. What name is given to the long central fibre of a human neuron along which impulses are received from dendrites and conducted away from the cell body? Axon

  2. What is the most abundant metal in the Earth’s crust? Aluminium

  3. What does the archerfish shoot at insects in order to knock them off overhanging vegetation? Water

  4. Which French physicist and pioneer of thermodynamics published the 1824 book Reflections on the Motive Power of Fire, in which he proposes a theory of the efficiency of heat engines? Sadi Carnot

  5. For what does the name of the explosive TNT stand? Trinitrotoluene

  6. Which lower-case Greek letter is usually used in statistics to denote the population mean, in mathematics to denote a measure and in physics to denote the coefficient of friction? Mu (μ)

  7. In 1986, which NASA space shuttle exploded and disintegrated just 73 seconds after liftoff, killing all seven crew members? Challenger

  8. In human anatomy, what mythological name is given to C1, the topmost vertebra of the spine which supports the skull? Atlas

  9. Ascorbic acid is one of the most common forms (so-called vitamers) of which vitamin in humans? Vitamin C

  10. What name is given to an animal’s prolonged dormancy during a hot or dry period, particularly the summer? Aestivation


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