Microorganisms : Friend or Foe ? (קורס)

Q.1. Why should we avoid standing close to a tuberculosis patient while he/she is coughing?
Q.2. Some people fear that vaccines can be dangerous as it contains microbes itself. Please discuss and remove the fear.
Q.3. What is fermentation?
Q.4. Name the preservatives used in kitchen on daily basis.
Q.5. What is the commercial use of yeast?
Q.6. Whether we should use antibiotics in cold and flu?
Q.7. What is pasteurisation?
Q.8. Why oil is used while making mango pickles?
Q.9. Name the vaccine which is used against Tuberculosis.
Q.10. What is nitrogen fixation?

Q.11. What is nitrogen cycle?
Q.12. Viruses also infect animals. Give examples.
Q.13. A disease that can spread through direct contact with infected person. Give example.
Q.14. Define pathogens. How do they enter our body?
Q.15. Which microorganism is the cause of malaria ?
Q.16 : Name few diseases caused by viruses.
Q. 17. Write name of some diseases caused by bacteria.
Q.18. Which microorganisms are unicellular ?
Q.19: Name some multicellular microorganisms.
Q.20. What are antibodies ?

Q.21. Name some diseases which can be prevented by vaccination.
Q.22. Name the disease for which oral drops are given as vaccination.
Q.23: What is non-biological nitrogen fixation?
Q.24. What are biological nitrogen fixers?
Q.25: What are communicable diseases?
Q.26: Name two carriers of disease-causing microbes.
Q.27: How are cholera and typhoid transmitted?
Q.28: Which microorganism causes foot and mouth disease of cattle?
Q.29: Name one plant disease caused by bacteria and its mode of transmission.
Q.30: What is meant by food poisoning?
Q.31: What are preservatives?
Q.32. How are pickles preserved?
Q.33. Name three habitats of microorganisms.
Q.34. What is a vaccine? Why is it important to vaccinate small children?
Q.35. Give full form of ORS.
Q.36. What is vaccination?
Q.37. How are viruses different from other microorganisms?
Q.38: Why do we use oil and vinegar to preserve vegetables and fruits?
Q.39: Can you store pickles in iron containers? Why?
Q.40: Why ORS should be given to the patients suffering from cholera?
Q.41: How can we control the spread of malaria or dengue?
Q.42: Why are viruses considered to be on the borderline between living
organisms and non-living things?

NCERT Questions 1 - 4