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Science Quiz #624

Science and Nature Quiz for 30 December 2020

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

Why is the scarlet pimpernel, a low-growing annual plant found in Europe, Asia and North America, known as 'the poor man's barometer' and 'the poor man's weatherglass'?

A
The petals fall off when it rains
B
The flowers close when atmospheric pressure decreases and bad weather is approaching
C
The seeds rattle in the slightest wind
D
The flowers only open when 8 hours of daylight is expected
Select from the options above.
2

African and Indian elephants have a different number of nails on their feet. Respectively, they are …?

A
18 and 16
B
16 and 18
C
14 and 16
D
14 and 18
Select from the options above.
3

It is necessary to multiply by 3.2808 to convert what to what?

A
Feet to metres
B
Metres to feet
C
Pounds to kilograms
D
Acres to hectares
Select from the options above.
4

What is the chemical symbol for tin?

A
Fe
B
T
C
Sn
D
Mg
Select from the options above.
5

What can the Valsalva manoeuvre be used for?

A
To treat symptoms of benign paroxysmal positional vertigo
B
To clear an airway of obstruction
C
To relieve muscle cramp
D
To clear or equalise pressure between ears and sinuses after change of pressure, e.g. after diving
Select from the options above.
6

What is the next in this series: 2000, Me, XP, Vista ...

A
2005
B
7
C
You
D
GTR
Select from the options above.
7

Erysipelas is also known sometimes as what?

A
Folliculitis
B
Impetigo
C
St. Anthony's fire
D
St. Elmo's Fire
Select from the options above.
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