class 10 science chapter 1 mcq
07 Bacterial diseases are
1. typhoid
2. gonorrhoea
3. t.b
4. all
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06 Antibiotics are produced from
1. bacteria
2. fungi
3. virus
4. algae
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05 The gas releases in fermentation is
1. o2
2. co2
3. co
4. h2
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04 Form fermentation is due to presence of
1. lactobacillus
2. yeast
3. pencillium
4. all
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