Question

Identify the correct statements with respect to microbes.

• A. Microbes cannot be seen through naked eyes.
• B. Certain microbes can cause diseases.
• C. Microbes cannot survive on marshy lands.
• D. Microbes are always single-celled.

Answer 1

Answer: (A), (B)

Certain microbes can cause diseases.

• Microbes are tiny living organisms which can be seen with the help of a microscope.

• They are present everywhere. E.g., ice cold climate, marshy lands, hot springs, etc. They are also found inside the bodies of animals. Some microorganisms grow on other organisms, while others exist freely.

• They can be beneficial or harmful and can cause diseases in human, plant, and animal hosts.

• Microbes can be unicellular (bacteria, some algae and protozoa) or multicellular (many algae and fungi).