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Science Quiz #277

Science and Nature Quiz for 7 May 2014

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 name for the movement of water across a partially permeable membrane from an area of high water potential (low solute concentration) to an area of low water potential (high solute concentration)?

A
Evaporation
B
Dehydration
C
Osmosis
D
Distillation
Select from the options above.
2

What term is given to an infection when it is maintained in a human population without external inputs?

A
Allergic
B
Pandemic
C
Paramedic
D
Endemic
Select from the options above.
3

What is the principal ore of aluminium?

A
Lead
B
Bauxite
C
Chromium
D
Californium
Select from the options above.
4

What name is given to ducks which feed mainly at the surface rather than by diving?

A
Dabbling ducks
B
Puddle ducks
C
Webling ducks
D
Mighty ducks
Select from the options above.
5

Which of these has a backbone?

A
Worm
B
Narwhal
C
Starfish
D
Jellyfish
Select from the options above.
6

An astrolabe was used for astrology, navigation and what else?

A
Calculating speed of a star's travel
B
Examination of star chemistry
C
Astronomy
D
Religious festivals
Select from the options above.
7

What is a name for the abstract study of topics such as quantity, structure, space, and change?

A
Architecture
B
Numerology
C
Mathematics
D
Wargames
Select from the options above.
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