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Science Quiz #507

Science and Nature Quiz for 3 October 2018

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

0 out of ?
1

Where are gelada native?

A
Antarctica
B
Ethiopia
C
Java
D
Kenya
Select from the options above.
2

What is the inner core of the Earth believed to consist of?

A
Iron-nickel alloy
B
Chocolate
C
Brass
D
Rubber
Select from the options above.
3

Of four balloons filled respectively with ozone, carbon dioxide, oxygen and ammonia, which gas will make its balloon float?

A
Ozone
B
Oxygen
C
Carbon dioxide
D
Ammonia
Select from the options above.
4

The genus of beautiful and venomous marine fish called Pterois, which is invading and dominating the west Atlantic, Caribbean Sea and Mediterranean Sea, is native to where?

A
Bay of Biscay
B
The Philippines
C
Sri Lanka
D
Across the Indo-Pacific region
Select from the options above.
5

What is the mathematical result of dividing any real number other than zero, by zero?

A
Zero
B
Infinity, or undefined
C
One
D
One tenth
Select from the options above.
6

What thin, circular structure in the eye controls the diameter and size of the pupil and the amount of light reaching through it?

A
Cornea
B
Retina
C
Lens
D
Iris
Select from the options above.
7

In 2003, which planet passed 55.76 million km from earth, the closest since the Stone Age?

A
Mars
B
Venus
C
Mercury
D
Jupiter
Select from the options above.
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