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Science Quiz #341

Science and Nature Quiz for 29 July 2015

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

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1

In Euclidean geometry what is the definition of a triangle?

A
Quarter of a square
B
A polygon
C
A two-dimensional plane determined by any three points
D
A shape containing at least three angles
Select from the options above.
2

When was astronomy accepted by the Nobel Prize Committee as part of the discipline of physics, thereby making astronomers eligible for a Nobel Prize?

A
1967, to accommodate a prize for Hans Bethe
B
Shortly after astronomer Edwin Hubble's death in September 1953
C
1919, in recognition of Albert Einstein's multi-disciplinary achievements
D
1970, with the prize for Hannes Alfvén
Select from the options above.
3

What is motofog?

A
A motorbike-mounted distribution system for mosquito-focussed insecticide
B
A smoke machine for theatrical presentation
C
Coloured car exhaust used for street circus
D
Atmospheric pollution specifically due to vehicle exhaust fumes
Select from the options above.
4

What is the name for the phenomenon that causes a spectrum of light to appear in the sky when the sun shines onto droplets of moisture in the Earth's atmosphere?

A
Precipitation
B
Spectrograph
C
Kaleidoscope
D
Rainbow
Select from the options above.
5

Where would a thorny devil usually be found?

A
In ikebana arrangements
B
In mediaeval illustrated Christian gospels
C
In the art of Hieronymus Bosch
D
In the Australian arid scrubland or desert
Select from the options above.
6

Lise Meitner with Otto Hahn and Fritz Strassmann discovered what, for which Hahn (only) received the Nobel Prize for Chemistry in 1944?

A
Laws of chemical dynamics and osmotic pressure in solutions
B
That the uranium atom splits when bombarded by neutrons
C
The use of radioactive isotope tracers to study chemical processes
D
The structure of proteins, especially that of insulin
Select from the options above.
7

Which of these is a pomaceous fruit?

A
Tomato
B
Apple
C
Grape
D
Potato
Select from the options above.
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