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Science Quiz #250

Science and Nature Quiz for 30 October 2013

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

What is unusual about the skeletons of sharks, skates and rays?

A
They have 20 vestigial "toe bones"
B
The spine is extra flexible
C
They have 50% more bones than other fish
D
They have no bones
Select from the options above.
2

"Aegrotocatellus jaggeri" an extinct marine arthropod which disappeared about 250 million years ago, is named after whom?

A
A German rifleman
B
Jagger Cates
C
Mick Jagger
D
A native American tribe from the Florida coast
Select from the options above.
3

What is the word for an oblique-angled parallelogram with 4 equal sides?

A
Rhesus
B
Rebus
C
Rhombus
D
Rectangle
Select from the options above.
4

The words "Polyalphaolefins", "dibasic acide esters", "dibasic acide diesters", and "polyol esters-based" and "diester-based" are used in connection with the development of what?

A
Anaesthetics
B
Synthetic engine oil
C
Solar power
D
Microwave meals
Select from the options above.
5

Who won the 2010 Nobel prize for chemistry for their work in the 1960s & 1970s to find ways to bond carbon atoms (such as palladium-catalysed cross coupling)?

A
James D. Watson, Francis Crick & Maurice Wilkins
B
Brian Jones, Mick Taylor and Ron Wood
C
Richard Heck, Ei-ichi Negishi & Akira Suzuki
D
Jimmy Page,John Paul Jones,Robert Plant &John Bonham
Select from the options above.
6

What is the estimated length of the year of the newly-discovered earth-like planet KOI-172.02?

A
238 Earth days
B
359 Earth days
C
242 Earth days
D
384 Earth days
Select from the options above.
7

Which of these is a source of the anti-blood clotting material called hirudin?

A
Leech
B
Snail
C
Ant
D
Rose
Select from the options above.
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