🌿 Science & Nature Trivia
Quiz Set 19 — Microscopic World
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What are bacteria?
Bacteria are single-celled prokaryotic organisms without a membrane-bound nucleus.
Question 2 of 10
What is a virus?
Viruses are not considered living organisms; they consist of genetic material enclosed in a protein coat and need host cells.
Question 3 of 10
Who invented the first practical microscope?
Antonie van Leeuwenhoek built high-quality microscopes in the 1670s and was the first to observe microorganisms.
Question 4 of 10
What is an amoeba?
An amoeba is a single-celled eukaryote that moves and feeds by extending pseudopods.
Question 5 of 10
What is the smallest unit that can carry out life processes?
The cell is the smallest unit of life that can carry out all processes needed for life.
Question 6 of 10
What are antibiotics used to treat?
Antibiotics are designed to kill or inhibit the growth of bacteria; they are not effective against viruses.
Question 7 of 10
What is a microbiome?
The human microbiome consists of trillions of microorganisms living on and inside the body.
Question 8 of 10
What organism causes malaria?
Malaria is caused by Plasmodium parasites transmitted through infected Anopheles mosquito bites.
Question 9 of 10
What is yeast?
Yeast is a single-celled fungus used in baking and fermentation for thousands of years.
Question 10 of 10
How small are most bacteria?
Most bacteria are 1-10 micrometers in size, about 10 times larger than viruses.