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BETOPPERS-MICROORGANISMS : FRIENDS AND FOE-WORKSHEET 3
- What are pathogenic microorganisms?
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- Are microorganisms always helpful to us? What are their harmful effect...
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- What are communicable diseases? Name a few.
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- How the housefly transmits the diseases.
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- How are protozoa harmful to us?
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- Name some harmful bacteria and the harms due to them.
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- What are the ways through which microorganisms enter our body?
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- How are fungi harmful to us?
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- Match the following items given in Column ‘A’ with that in Column 'B':
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- Cholera, chicken pox are some well-known examples of diseases.
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- Carriers of specific microorganisms are called .
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- The disease caused by protozoa is(tuberculosis/polio / typhoid malaria...
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- cannot fix atmospheric nitrogen in the soil. (Rhizobium/ Clostridium...
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- causes AIDS. (protozoa/ bacteria/ virus/ algae)
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