science chapter 1 class 10 mcq
22 Invention of pasteurisation
1. edward jenner
2. louis pasteur
3. flemming
4. ronald ross
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21 Vector for 'Plasmodium' is
1. female anopheles mosquito
2. male anopheles mosquito
3. female culex mosquito
4. male culex mosquito
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20 The micro organism "plasmodium" causes
1. t.b
2. typhoid
3. malaria
4. polio
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19 Disease causing micro organisms are
1. vectors
2. pathgen
3. microbes
4. all
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