Microorganisms and Their Functions

The video introduces microorganisms, explaining they are unicellular organisms also known as germs or microbes. It covers the history of their study, starting with Anton van Leeuwenhoek in the 17th century, and discusses how microscopes have advanced our understanding of diseases. The video categorizes microorganisms into bacteria, viruses, and fungi, detailing their characteristics, roles, and impacts on health. Bacteria can be beneficial or harmful, viruses require a host to function, and fungi have various uses. The importance of hygiene to prevent diseases is emphasized, and viewers are encouraged to subscribe for more content.

What is another name for microorganisms?

• Cells

• Molecules

• Germs

• Atoms

Which instrument is essential for observing microorganisms?

• Magnifying Glass

• Binoculars

• Microscope

• Telescope

Who was the first person to observe microorganisms?

• Isaac Newton

• Albert Einstein

• Anton van Leeuwenhoek

• Louis Pasteur

In which century did Anton van Leeuwenhoek start observing microorganisms?

• 17th century

• 18th century

• 16th century

• 15th century

What type of cells are bacteria?

• Acellular

• Multicellular

• Prokaryotic

• Eukaryotic

Which of the following is a beneficial use of bacteria?

• Causing infections

• Food fermentation

• Spreading diseases

• None of the above

What do viruses need to carry out their vital functions?

• Sunlight

• Water

• Oxygen

• A host

Which of the following diseases is caused by a virus?

• Malaria

• Cholera

• Flu

• Tuberculosis

Where can fungi be found?

• In the air

• In plants

• In water

• All of the above

What is a common example of fungi that can be seen on food?

• Mold

• Yeast

• Viruses

• Bacteria