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CHETANA PUBLICATION-Useful and Harmful Microbes-EXERCICE
- Which changes do you notice in leather articles and gunny (jute) bags ...
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- Why do those leather articles not get spoilt during the summer or wint...
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- Why do doctors advise you to take yoghurt or buttermilk if you have in...
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- Sometimes, yoghurt becomes bitter and froths up. Why does this happen?
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- Which different milk products are obtained at home by fermentation of ...
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- Recently, it has been made compulsory in India and some other countrie...
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- Chapattis made from wheat only swell up but bread becomes spongy, soft...
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- Salt is applied on the inner surface of pickle jars and the pickle is ...
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- Which preservatives are mixed with ready-to eat foods to prevent them ...
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- Use your brain power Which plant and animal diseases are caused by m...
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- Complete the following table: The spread and prevention of disease
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- Different species of Clostridium bacteria and the diseases caused by t...
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- Bring 'active dry yeast' from the market. Mix a spoonful of yeast, two...
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- How is alcohol produced?
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- Answer the following question: What are the uses of Lactobacilli?
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- What is Penicillin? What is it used for?
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- How was the antibiotic penicillin discovered?
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- What are the precautions to be followed while taking antibiotics?
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- How can we observe Rhizobium bacteria in the roots of leguminous plant...
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- Antibiotics mainly act against………………… bacteria viruses algae fun...
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