Science Quiz #667
Science and Nature Quiz for 27 October 2021
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1
Q1.
Lichens are a composite of two organisms, the most visually obvious of which is a fungus. What is the other?
A
An alga or cyanobacterium
Select from the options above.
2
Q2.
What distinguishes the golden jellyfish of Palau from most other jellyfish?
A
For about 14 hours a day they make vertical excursions between the lake surface and a chemocline
B
Almost complete loss of their clubs, an appendage attached to the oral arms
C
They derive part of their food indirectly from photosynthesis
Select from the options above.
3
Q3.
What type of computer uses three possible values in its calculations: the digits -1, 0, and +1?
Select from the options above.
4
Q4.
What large flightless bird found in Mauritius by the Portuguese is believed to have died out in 1681?
Select from the options above.
5
Q5.
What is the atomic number of the element which is the basis for all organic chemistry?
Select from the options above.
6
Q6.
If a uranium or similar target is bombarded, what is a term for the neutrons which it ejects?
Select from the options above.
7
Q7.
How many decades are there in a millennium?
Select from the options above.