Viruses and Bacteria Concepts

The video introduces children to bacteria and viruses, explaining their characteristics and roles. It highlights the difference between good and bad bacteria, the nature of viruses, and how they spread. The video also covers prevention methods, such as hygiene and vaccines, and concludes with a knowledge check.

What type of bacteria is found in yogurt?

• Neutral bacteria

• Good bacteria

• Harmful bacteria

• Pathogens

Which of the following is NOT a common shape of bacteria?

• Cubes

• Spheres

• Rods

• Spirals

What is the function of flagella in bacteria?

• To help them attach to surfaces

• To help them move

• To help them reproduce

• To help them absorb nutrients

Which of the following diseases is NOT caused by bacteria?

• Strep throat

• Influenza

• Food poisoning

• Leprosy

What is the role of decomposers in the soil?

• To break down dead plant and animal material

• To cause diseases

• To produce oxygen

• To fertilize soil

What is a unique characteristic of viruses compared to bacteria?

• They have an organized cell structure

• They are always harmful

• They can reproduce on their own

• They have a nucleus

How do viruses reproduce?

• By attaching to a living cell

• By dividing themselves

• By absorbing nutrients

• By moving through the air

Which of the following is NOT a way viruses can be transmitted?

• Sneezing

• Handshaking

• Eating well-cooked food

• Insect bites

What is the purpose of vaccines?

• To strengthen muscles

• To prevent viral infections

• To cure viral infections

• To improve digestion

Which of the following practices does NOT help prevent viral infections?

• Washing hands

• Getting plenty of sleep

• Skipping vaccines

• Eating healthy foods