Question

Choose the correct statement(s) regarding microbes.

• A. Microbes played a key role in the evolution of the planet earth.
• B. Certain microbes cause severe infections and diseases.
• C. Microbes are always harmful to human beings.
• D. Microbes are tiny living creatures which are invisible to the naked eye.

Answer 1

Answer: (A), (B), (D)

The correct options are
A Microbes played a key role in the evolution of the planet earth.
B Certain microbes cause severe infections and diseases.
D Microbes are tiny living creatures which are invisible to the naked eye.

Microbes are tiny living creatures which are invisible to the naked eye. Microbes are also known as microorganisms or microscopic organisms as they can only be seen under a microscope. Certain microbes can cause severe infections and diseases that even result in death. Microorganisms play a key role in the evolution of the planet earth.