Grade 8 Microorganisms friend and foe

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Across
  1. 4. produced in our body to fight against the disease causing microorganisms
  2. 5. process used to preserve milk
  3. 7. diseases that spread from person to person
  4. 8. used to check the growth of microorganisms
  5. 10. carrier of malaria
  6. 11. conversion of sugar to alcohol
  7. 12. used to kill microorganisms
  8. 14. organisms that cannot be seen with naked eye
  9. 15. microbe used in baking of cakes
Down
  1. 1. nitrogen fixing bacteria
  2. 2. disease causing microorganisms
  3. 3. preventive measure against deadly diseases
  4. 6. human and cattle disease caused by bacterium
  5. 9. help in formation of curd
  6. 13. parasite causing dengue