Science Quiz #765
Science and Nature Quiz for 13 September 2023
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.
The name "mathematics" derives from an ancient Greek word meaning what?
D
How many fingers am I holding up
Select from the options above.
2
Q2.
Research published in 2023 shows a relatively abrupt change in north-western Africa from foraging to farming about 7,500 years ago, influenced by immigration from where?
D
Southern Europe and then the Levant
Select from the options above.
3
Q3.
In biology what are Retzius lines?
A
Seam lines on the cranium
B
Growth lines or bands in tooth enamel
C
Fine muscles directly in front of the urinary bladder
D
Veins alongside the abdominal walls
Select from the options above.
4
Q4.
Since its revision in 2015, what is the minimum recommended length for numbers used in RSA cryptography systems?
Select from the options above.
5
Q5.
Which of these is a technical word for blood poisoning?
Select from the options above.
6
Q6.
Magnetic attraction or repulsion depends on what?
A
Moving electrons and protons
D
Materials made of complex atoms
Select from the options above.
7
Q7.
What name is used for the index of activity on the Hong Kong Stock Exchange?
Select from the options above.