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Science Quiz #391

Science and Nature Quiz for 13 July 2016

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 the choking didymo, didymosphenia geminata, in waterways better known as?

A
Darwin's barberry
B
Oxygen weed
C
Rock snot
D
Blue-green algae
Select from the options above.
2

What was unusual about the catching of two examples of a species of fish, called the "Coelacanth", in 1938 and 1953?

A
Both had developed legs
B
Both were radioactive
C
They were thought to have been extinct for 50 million years
D
It was believed that they communicated by thought waves
Select from the options above.
3

What function does the operculum serve in the human uterus?

A
Initial means of attachment of the fertilised egg to the uterine wall
B
Covers the outer surface
C
It is the neck of each fallopian tube
D
Blocks the cervix of the uterus after conception
Select from the options above.
4

What small, oily fish, of which there are 15 species, found in the shallow, temperate waters of the North Atlantic, the Baltic Sea, the North Pacific, and the Mediterranean, move in vast schools, coming in spring to the shores of Europe and America?

A
Sardines
B
Herring
C
Pilchards
D
Sprats
Select from the options above.
5

By what name is an Ornithorhynchus better known?

A
Grumpy person
B
Wombat
C
Platypus
D
Bird fancier
Select from the options above.
6

What component of tonic water is used to prevent or alleviate the effects of malaria?

A
Riboflavin
B
Lanolin
C
Quinine
D
Niacin
Select from the options above.
7

What is added to water to make brine?

A
Sugar
B
Salt
C
Milk
D
Packet soup
Select from the options above.
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