Question

Microorganisms can be seen with the help of a
A. Microscope
B. Stethoscope
C. Both A and B
D. None of the above

Answer 1

Hint: The microorganisms are the tiny organisms that cannot be seen by the naked eyes. The study of microorganisms is called microbiology. Bacteria, fungi, archaea and protists are some microorganisms. The microscope is the device used to see the small objects or tiny organisms.

Complete answer:
Microorganisms are very small organisms. They cannot be seen by the naked eyes. Microorganisms include the single-celled organisms or unicellular organisms. Some of the multicellular organisms can be seen by microscope. The major group of microorganisms include: bacteria, archaea, fungi, algae, protozoa, and viruses.
Microscope is an instrument which is very useful to observe or see very small objects. It consists of a lens or combination of lenses to produce magnified images of small objects. Microorganisms can be only seen with the help of a microscope.
The stethoscope is a medical instrument. It is used to hear internal sounds of the animal body. The sound of the organs such as lungs and heart in case there is any abnormality in the working of organs can be detected with the help of a stethoscope.
From the above information we know that microorganisms can be seen with the help of the microscope.

Hence, the correct answer is option (A).

Note: Microorganisms can be found everywhere in the earth. They can survive in a wide range of environments. They can be found in many waters, soil, and in the air. Millions of microbes are found in the human body. Some of the microorganisms can make us sick while some of them are important for our health. They contribute to digestion, produce vitamin K, and promote development of the immune system.