Question

Q1 Can microorganisms be seen with the

naked eye? If not how can they be seen.

Q2 What are the major groups of

microorganisms?

Q3 Name two microorganisms which can fix

atmospheric nitrogen in the soil.

Q4 Explain how microorganisms are useful

in our daily life?

Q5 Write short paragraph on the harms

caused by microorganisms.​

Answer 1

Answer:

1. No,they can be seen through microscopes or electron microscopes.

2. The major groups include bacteria,fungi,protozoa etc.

3. Rhizobium and Aceto Bacter

4. Some micro organisms like Lacto Bacilus are helpful in the making of fermented products. They also are an asset in the medicine industry as they are fundamental in creating vaccines and medicines.

5.

Microorganisms are useful as well as harmful also, in fact, some microbes are very helpful but most of them are harmful to living beings.  

A. Some microorganisms are pathogens which cause diseases to human animals and plants.

B. Bacteria and fungi are well known to cause food spoilage and make them unfit for eating.

C. Bacteria cause some diseases like cholera, typhoid, and diarrhea through water and food.

D. Virus scan causes smallpox, cold, hepatitis polio and soon.

E. Some microorganisms show antibiotic resistance to certain diseases.

Explanation:

Answer 2

1.No,microorganisms can’t be seen with naked eye but can be seen from a microscope.
2.There are 5 major groups of microorganisms.
3.Ribosomes are the microorganisms which can fix atmospheric nitrogen in the soil
4.They are used to make curd since the microorganisms help change the texture,microorganisms are also used in soil.