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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 _________.
Carrier of malaria-causing protozoan is ___________.
Match the pairs
| ‘A’ group | ‘B’ group | ||
| a. | Xylitol | 1. | Pigment |
| b. | Citric acid | 2. | To impart sweetness |
| c. | Lycopene | 3. | Microbial restrictor |
| d. | Nycin | 4. | Protein binding emulsifier |
| 5. | To impart acidity | ||
State whether the following statement is true or false. Explain your statement.
Tomato wilt is a viral disease.
Draw a neat and labelled diagram.
Different types of bacteria.
Draw a neat and labelled diagram.
Bacteriophage.
Which are the different types of micro-organisms?
Mark the correct one as:
Assertion: Malaria is caused by Protozoa.
Reason: The disease is transmitted by mosquito.
Name the four major groups of Microbes.
Yeasts are a rich source of ______.
