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प्रश्न
What are micro-organisms?
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उत्तर १
There are countless -living organisms on the earth. Of these, the organisms which cannot be seen with our eyes but can only be observed under a microscope are called micro-organisms.
उत्तर २
Living organisms which are not visible to the naked eye are known as micro-organisms. They are living organisms that can be seen only with a microscope or a magnifying glass. Microorganisms were observed for the first time by Anton von Leeuwenhoek in 1674, using a microscope of his own.
संबंधित प्रश्न
Alcohol is produced with the help of _________.
Match the organisms in Column A with their action in Column B.
| A | B | ||
| (i) | Bacteria | (a) | Fixing Nitrogen |
| (ii) | Rhizobium | (b) | Setting of curd |
| (iii) | Lactobacillus | (c) | Baking of bread |
| (iv) | Yeast | (d) | Causing Malaria |
| (v) | A protozoan | (e) | Causing Cholera |
| (vi) | A Virus | (f) | Causing AIDS |
| (g) | Producing antibodies |
Rewrite the following statement using correct of the option and explain the completed statement.
Process of -- -- -- -- of milk proteins occurs due to lactic acid.
Give a scientific reason.
Use of mutant strains has been increased in industrial microbiology.
Observe the following figure and answer the questions :
- Identify the process shown in the figure.
- Explain the process in short.
Use the Whittaker method to classify bacteria, protozoa, fungi, algae, prokaryotic and eukaryotic microbes.
Which are the different types of micro-organisms?
Microorganisms are measured in _______.
Unscramble the jumbled word underlined in the following statement.
Cells of our body produce santiidobe to fight pathogens
Mention the symptoms of poliomyelitis.
