science class 9 mcq
09 Scabies is caused by
1. bed bug
2. housefly
3. agaricus
4. scabies bug
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08 Viruses reproduce only when they are in
1. air
2. water
3. soil
4. host living cell
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07 Which are considered as the interlink between living and non-living organisms?
1. algae
2. bacteria
3. viruses
4. protozoans
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06 " Bread mould " is
1. agaricus
2. mushroom
3. pencillium
4. rhizopus
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