Bacteria Quiz

What is one of the primary roles of beneficial bacteria in our bodies?

• They cause diseases
• They help with digestion
• They produce toxins
• They consume nutrients

How can harmful bacteria affect food safety?

• They improve food flavor
• They can cause food poisoning
• They help preserve food
• They make food more nutritious

What shape is commonly associated with bacteria that can cause throat infections?

• Rod-shaped
• Spherical
• Spiral
• Square

Why is it important to understand the characteristics of disease-causing bacteria?

• To create new bacteria
• To prevent infections
• To make bacteria stronger
• To eliminate all bacteria

What role do flagella play in bacteria?

• They help bacteria reproduce
• They help bacteria move
• They help bacteria change shape
• They help bacteria eat

Which of the following is a beneficial use of bacteria in food production?

• Making yogurt
• Causing spoilage
• Producing toxins
• Creating bad odors

How do the shapes of bacteria influence their function?

• Shapes have no impact
• Shapes determine their movement and interaction
• Shapes only affect their color
• Shapes only affect their size

What is a common way that harmful bacteria spread?

• Through clean water
• By flying in the air
• Through dirty food or water
• By sunlight

Why is maintaining a balance of bacteria important?

• To ensure all bacteria are harmful
• To promote health and prevent disease
• To eliminate all bacteria
• To make bacteria grow faster

What is one way bacteria contribute to the ecosystem?

• By causing pollution
• By recycling nutrients
• By consuming all plants
• By creating waste