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.
1
Q1.
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
Select from the options above.
2
Q2.
"Aegrotocatellus jaggeri" an extinct marine arthropod which disappeared about 250 million years ago, is named after whom?
D
A native American tribe from the Florida coast
Select from the options above.
3
Q3.
What is the word for an oblique-angled parallelogram with 4 equal sides?
Select from the options above.
4
Q4.
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?
Select from the options above.
5
Q5.
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
Q6.
What is the estimated length of the year of the newly-discovered earth-like planet KOI-172.02?
Select from the options above.
7
Q7.
Which of these is a source of the anti-blood clotting material called hirudin?
Select from the options above.