Science Quiz #749
Science and Nature Quiz for 24 May 2023
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1
Q1.
Which of these is the only vertebrate to have been discovered so far to have lungs but no windpipe (trachea)?
A
A brackish water fish called calamoichthys
B
A freshwater fish genus called polypterus
C
A freshwater fish called lungfish
D
A seawater fish called coelacanth
Select from the options above.
2
Q2.
The study of the behaviour and properties of light is the subject of what branch of physics?
Select from the options above.
3
Q3.
Iron is the main component of which of these?
Select from the options above.
4
Q4.
If you take any number, double it, add 10, divide by 2, and subtract your original number, what will the answer be?
Select from the options above.
5
Q5.
A mastodon was an early form of what animal?
Select from the options above.
6
Q6.
The marshmallow was first created as a medicinal substance when extracts from what part of the marsh mallow plant were used as a remedy for sore throats?
Select from the options above.
7
Q7.
A NICAD battery has a nickel anode and a cathode made of what?
Select from the options above.