Science Quiz #624
Science and Nature Quiz for 30 December 2020
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1
Q1.
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
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2
Q2.
African and Indian elephants have a different number of nails on their feet. Respectively, they are …?
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3
Q3.
It is necessary to multiply by 3.2808 to convert what to what?
Note: This question was updated in October 2022
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4
Q4.
What is the chemical symbol for tin?
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5
Q5.
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
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6
Q6.
What is the next in this series: 2000, Me, XP, Vista ...
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7
Q7.
Erysipelas is also known sometimes as what?
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