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Microscopic objects - Multiple Choices

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Kassar
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Last updated: July 21, 2025
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First submittedJuly 20, 2025
Times taken13
Average score40.0%
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1. Which of these atoms have a height of 120 picometers ?
Hydrogen
Oxygen
Carbon
Nitrogen
2. Which of these viruses is not a virus ?
Corona virus
Cowpea mosaic virus
E. Coli virus
None of these
3. What is the symbol of water molecule ?
Cu
Ag
None of these
4. What is the smallest animal from that list ?
A flea
An ant
A fly
An hummingbird
5. What is the name of the world's smallest movie ?
An Atom and his boy
A boy and his atom
A virus with his boy
A boy and his molecule
6. Which of these noble gases is odd ?
Helium
Xenon
Radon
Carbon
7. What is 2,4 nanometers tall ?
Carbon Dioxide
DNA Fiber
The world's smallest movie
Your speed per second when going to school
8. The red blood cell is...
7 micrometers tall
8 micrometers tall
1,5 micrometers tall
0,6 micrometers tall
9. What is the smallest lenght possible ?
1 yoctometer
0,0000000000000000016 meters
Planck lenght
Negative infinity meters
10. Which of these atoms isn't a gas ?
Krypton
Neon
H²O
Xenon
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