Roles and Characteristics of Bacteria Video with Questions

Which of the following best describes bacteria?

• Multicellular organisms with a nucleus.

• Microorganisms made of multiple cells.

• Unicellular organisms without a nucleus.

• Large organisms visible to the naked eye.

How are bacteria primarily classified based on their shape?

• Spherical, Cuboid, and Cylindrical

• Rod-shaped, Round, and Spiral

• Square, Triangular, and Oval

• Flat, Curved, and Pointed

Which of the following is a common way bacteria can be transmitted?

• Through direct sunlight exposure.

• By consuming only cooked foods.

• Via water, air, or touching contaminated objects.

• Through telepathic communication.

Besides causing diseases, what beneficial roles do bacteria play?

• They only exist to cause illness and have no other function.

• They help in food production and decompose organic matter.

• They are responsible for creating new species of animals.

• They control weather patterns and ocean currents.