WorksheetsBacteria
Total questions: 13
Worksheet time: 13mins
What are bacteria?
Living
Nonliving
Who found bacteria?
Anton Van Leeuwenhoek
Lee Van ton
Hoek Van Anton
Von Anton Lee
What was Anton Van Leeuwenhoek looking at?
His finger
A Petri dish
A scrap of his tooth
His fork
What part of a bacteria helps it to move?
Ribosome
Flagellum
Nucleoid
What is about the size of the biggest bacteria?
0.5 micrometers
A decimal point
A red blood cell
A pencil
What are the two major ways of preventing food spoilage?
Refrigerating and freezing
Paterization and Refrigerating
Pasteurization and freezing
Heating and melting
Whom is pasteurization named after?
Francesco Redi
Albert Einstein
Louis Pasteur
Isaac Newton
What is one of the helpful bacteria In nature?
Influenza
Nitrogen-fixing
Some ways doctor use bacteria....
To make milk and cheese
Produce human insulin
Change nitrogen gas from the air into nitrogen products
Why is pasteurization used?
To kill bad bacteria
To make insulin
To kill bad bacteria in the food
Oxygen can kill certain type of bacteria.
True
False
Bacteria can reproduce
Asexually
Sexually
Asexually and sexually
they cannot reproduce
Bacteria are....
Heterotrophic
Autotrophic
Both autotrophic and heterotrophic
