Microorganisms: Beneficial and Harmful

What is the main learning target of the video?

• To learn about the history of microorganisms

• To describe and explain why some microorganisms are beneficial and others are harmful

• To understand the structure of microorganisms

• To explore the evolution of microorganisms

Which of the following is NOT a characteristic of microorganisms?

• They can survive in extreme conditions

• They can be beneficial or harmful

• They are visible to the naked eye

• They are found everywhere

How do bacteria contribute to ecosystems?

• By causing diseases

• By consuming all available resources

• By decomposing dead organisms and recycling nutrients

• By producing harmful toxins

Which of the following is a benefit of probiotics?

• They transmit diseases

• They help digest food and boost the immune system

• They cause food spoilage

• They are responsible for skin infections

What role do microorganisms play in biogas production?

• They are not involved in biogas production

• They prevent biogas formation

• They consume biogas

• They decompose organic matter to produce methane

What are pathogens?

• Microorganisms that clean up oil spills

• Microorganisms that produce vitamins

• Microorganisms that help in digestion

• Microorganisms that cause diseases

Which of the following diseases is NOT caused by bacteria?

• Diphtheria

• Influenza

• Cholera

• Tuberculosis

How can harmful bacteria be prevented from spreading?

• By sharing personal items

• By washing hands regularly

• By avoiding probiotics

• By consuming spoiled food

What is one of the most important functions of gut microorganisms?

• To cause infections

• To transmit diseases

• To produce pain-relieving compounds and vitamins

• To spoil food

What is a recommended hygiene practice to prevent respiratory infections?

• Consuming contaminated water

• Not sharing towels or personal items

• Avoiding hand washing

• Sharing food utensils