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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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Q1. In Euclidean geometry what is a triangle?

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

Q2. 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.

Q3. What is motofog?

Note: This question was updated in November 2024
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.

Q4. 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.

Q5. 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.

Q6. Lise Meitner with Otto Hahn and Fritz Strassmann discovered what, for which Hahn 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.

Q7. Which of these is a pomaceous fruit?

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