The Hidden World of Microbes and Their Impact on Health

Microbes are tiny organisms found everywhere, including in the air, soil, water, and inside our bodies. They belong to groups like bacteria, viruses, fungi, and protozoa. While some microbes are harmful, others, such as probiotics in yogurt and cheese, are beneficial. Factors like microbial potency, dose, and the state of our immune system determine whether microbes cause illness.

What are the four major groups of microbes?

• Viruses, algae, fungi, protozoa

• Bacteria, algae, fungi, protozoa

• Bacteria, viruses, algae, protozoa

• Bacteria, viruses, fungi, protozoa

Where can microbes be found?

• Only in water

• Only in soil

• Everywhere, including air, soil, and inside our bodies

• Only on plants

What is the role of probiotics found in yogurt and cheese?

• They are used in cleaning products

• They cause food poisoning

• They are essential for a healthy life

• They are harmful to health

Why might a bacteria on your skin make you sick?

• If it stays on the skin

• If it enters the bloodstream through a cut

• If it is washed off

• If it is exposed to sunlight

What factor does not influence whether germs make you sick?

• The potency of the germs

• The color of the bacteria

• The strength of your immune system

• The dose of bacteria

How does the immune system prevent illness from bad microbes?

• By storing them in the body

• By making them stronger

• By fighting them off

• By ignoring them