- Microorganims are classified into 4 major groups. These are Bacteria, Fungi, Protozoa and some Algae. Exception : Viruses
- Diseases like dysentery and malaria are caused by Protozoa.
- Typhoid and Tuberculosis are caused by Bacteria.
- Microroganisms may be single celled like bacteria, some algae and protozoa or multi-cellular such as many algae and fungi.
10 Important questions of General Knowledge from the topic - MICROORGANISMS
1. Which bacteria turns milk into curd?
Ans - Lactobacillus
2. What is the name of process of conversion of sugar into alcohol?
Ans - Fermentation
3. The medicine which is used to kill or stop the growth of the disease causing microorganisms is called:
Ans - Antibiotic
4. Who discovered penicilin and in which year?
Ans - Alexander Fleming in 1929.
5. What is the role of antibodies in our bodies?
Ans - Antibodies fights the disease causing microbes which are either dead or weakened, if they enters our body.
6. In which year vaccine for small pox was discovered and by whom?
Ans - Edward jenner discovered the vaccine for small pox in 1798.
7. Disease causing microorganisms are called:
Ans - Pathogens.
8. What is the name of mosquito which carries the parasite of malaria?
Ans - Female Anopheles mosquito.
9. What is the name of carrier of dengue virus?
Ans - Female Aedes mosquito.
10. Who discovered pasteurisation?
Ans - Louis Pasteur discovered the pasteurisation. It is in which milk is heated to about 70 degree celius for about 15 to 30 seconds and then suddenly chilled and stored.
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